About more than 1000 hours and 20 hours of controlled tests and real-world tests, respectively, and bringing these products in usage we have realized that all the rechargeable names of brands of batteries perform way better than the old fashioned suggested reputations.

Best AA Rechargeable batteries refer to one side of the battery in a standardized system established by the American National Standards Institute. Top Rechargeable AA batteries are still the most common battery type sold in the United States, accounting for about 50% of general battery sales. It means AA Rechargeable Batteries are reliable as compare to others.

AAA Rechargeable Batteries are used in so many of our daily routine devices that being without a steady supply can be a real nuisance. Whether it’s for your kids’ favorite toy or the TV remote, instead of running out or buying endless packs, grab some of these tremendous rechargeable batteries instead. We have rounded up both our favorite best rechargeable batteries in this blog.

These batteries not even cost five cents per charge during their entire lifetime. Moreover, batteries of Energizer Recharge Universal are highly reliable and are easily accessible at good prices. But even after this, we would prefer the Panasonic Eneloop battery or any other highly rated brands whenever they are on sale.

In this article, we will list down the most recommended batteries of different brands. There is one that is our very own pick, the Energizer Recharge Universal, one of them is the Panasonic Eneloop which is the runner up, and the last one, which is equally good, is the AmazonBasics AAA rechargeable battery.

Why you should be trusting us with your choice?

The biggest question that lies here is why you should trust us with choosing the best rechargeable battery for yourself? Here is why you should simply close your eyes and accept what we have got for you to add to your list. First of all, we had started off with covering the rechargeable batteries.

After researching for more than a hundred hours and 1000 long hours of continuous testing and analyzation of batteries, we came across new ideas on using these in the actual world. We used them in headlamps, RC cars as well as camera flashes. This is right on top of the list, after hundreds of hours of battery research and checking. Wirecutter staffers had also been tested whether they provide the same guide as they did to others or not.

AmazonBasic AAA Rechargeable Battery Vs Energizer Rechargeable AA Battery

When it comes to comparing two rechargeable batteries which are the top-selling products in the market. This time we are going to describe Energizer AA Rechargeable Battery Vs AmazonBasic AAA Rechargeable Battery. Well, AAA AmazonBasic Battery has a high capacity is 2400 mAh with 1000 times recharged. You can use this cheap AAA rechargeable battery on a digital camera, or any other electronic device.

On the other side, Energizer Rechargeable AA Battery has 2000mAh high capacity with 6/4 ounces weight. You can recharge up to 1000 times this one, made with 4% recycled batteries. Energizer AA batteries come pre-charged and ready to go, providing reusable power for the devices you love.

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Best Rechargeable Batteries

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Lee Johnson had proved himself to be of high regard because when things and questions in our minds became technical and unsolvable, then he was of great use in solving the issues. As he is an electrical engineer, solving these problems was no big deal for him. Earlier to this, we had come into contact with David Hobby of Strobist, questioning him about the increasing demand of professional photographers for batteries.

Who should take this or why exactly you need to switch to these rechargeable batteries?  

We all are pretty aware of the fact that the historical rechargeable batteries did not perform consistently and for longer periods of time, but now comes the new technology which is made up of “low self-discharge nickel-metal hydride or LSD NiMH”. These specifications have made the batteries hold a larger charge by keeping it for longer time periods and you can recharge them possibly more times as you could a few years ago.

But here comes the most difficult part. People tend to misunderstand rechargeable batteries thinking that these are not reliable and do not have enough capacity. This is all because people have not been given enough knowledge about it. It is high time that we take a deeper look into it.

Knowing the capacity of these batteries:

Before we move on to the recharging and stability aspect, we will discuss our AA batteries which lie at the top of the list consisting of a capacity double to that of any other less costly, replaceable alkaline battery. This means that now you do not have to take out the battery from your wireless keyboards or toys to operate them with a new one. Now you can let them work for longer periods without having to change them every single time!

Previously known as Sanyo Eneloop (now called Panasonic) battery has introduced an effective and awesome rechargeable in a modern age back in 2005. These batteries have been technologically advanced by tripling the capacity of the charge they can take and also increasing the cycle life (without any degradation, the charge a rechargeable battery could manage) of it twice more.

But apart from this huge development and the success that came along with the increase in capacity and cycle life is the prolonged shelf life of the newly introduced NiMH generation batteries. All of them that come with the label of “pre-charged,” “low self-discharge” or “LSD,” have the potential to keep the charge for not months but for years.

Made in Japan!

However, there was a time when the Eneloop was the only option and progressive line, that was reliable and long-lasting but this is just not the case anymore. For so many years now, the factory which has been producing the batteries for Eneloop of Panasonic has been making the same for other brands as well.

The factory that makes these AA batteries is well known and is the only one in Japan, making all kinds for different brands. Therefore, if your NiMH batteries have the label of “Made in Japan” attached to it then there are high chances that these batteries were produced at the same place where Eneloops were made.

However, this does not mean that all the products are exactly the same or identical but the factories that make the Rechargeable AAA Batteries make white-label products for all the brands they work for.

The final retail price of each battery produced gets influenced by depending on the material and how the construction of it has been done. Since we have tested these continuously, again and again, of all brands that had their batteries made with the label of “Made in Japan”, we have realized that all of them work almost the same and have very little or no differences at all sometimes.

Hence, there no such difference in their performances in any camera or headlamps as well. We have experienced it ourselves by checking these batteries in our homes and factory areas for experiencing these brands.

All of these explanations for the rechargeable batteries were necessary because without these, the people who have had bad experiences years ago, brands like Duracell or Energizer, would know about the improvements made by them over the years.

The LSD NiMH batteries are essentially used in cases of emergencies hence they are always present in the emergency kits or in other cases when the batteries do not have to use frequently.

Then comes a person who has so much knowledge regarding the new technological advances and the history that of these batteries that have improved with time. He knows all the information related to them because he has tested the collections enough.

Adding on to this, apart from the advancements made in technology, the cost of the rechargeable best aaa batteries has lowered a great deal. Although, after adding the entire cost of it with a new charger, the top foremost AA eight set of batteries pay for their recharge cycle in five to six recharges, unlike the other branded disposable.

And the benefits that come along with such low prices are extremely surprising. Almost an average of 4 billion single-use batteries is being exported to the US in one year. Which, when calculated, per household has usage of 47 per year.

The rechargeables used for four years, meaning there are 12 rechargeable batteries that are replaced by 188 disposables if calculated. Hence, we prefer that this is not a bad way of saving up some money and also the environment you live in.

Nevertheless, one of the huge drawbacks of these rechargeable cheap batteries is that they take a lot of time to recharge. Charging them properly takes a lot of waiting and time; eight hours are taken for the AA pick who maintain their performance for greater periods of time. With the technical advancements brought over time, the more you can charge fast, the lesser you get out of them.

However, with the modernly produced batteries, the differences can be negated. In the market, there are fast chargers available but we will not recommend them to you because this way the battery life reduces and the batteries become of no use.

Battery University has discussed this in-depth. They explain that there is a resource site which the battery experts maintain at the Cadex, a good fast rated charger which charges at a C rate of about 0.3 C to 0.6 C (depending upon the capacity of the battery, about 500 to 1000 mA) is indeed very good for any NiMH rechargeable batteries like these.

We will recommend you to buy an extra set of rechargeable batteries instead of purchasing a fast charger. It depends on you who can figure out what device you use and how much power does it consume. Buy an extra one according to your own device. More to it, if you keep your extra batteries charged all the time then using them at the time when you need them urgently. Saving up the charged extra aaa batteries saves your sudden visit to the store far away from you. So having a supply behind is definitely beneficial!

How we Picked

We take into account the reviews regarding the models of different batteries but this is done only when there are constant drawbacks or shortcomings promoting the failure of a specific battery. Apart from this, there are factors that alleviate the performance of a battery such as the kind of charger you are using, for how long they can be used, and more reasons like totally relying on the reviews of customers which turn out to dangerous for us.

However, it is not like we do not consider the reviews of our customers at all. We go through the ratings that are the lowest for the likely defects or any kind of continuous failures in one particular aspect. This is done so that these areas can be thoroughly tested again to make room for improvement. The main factors that are taken in consideration for testing whether these models are sufficiently good or not:

Their CapacityThe Cycle life of batteriesThe price of batteries in general
It is common sense and tested as well that a battery which can hold enough charge will not have to recharged again and again. There is nobody who likes to keep on changing the batteries every week for their wireless keyboards or having to change the batteries of their children’s toys after every 15 minutes of playing. On the other hand, when we talk about the capacity in terms of mAh then the AA disposable battery has a capacity of about 800 mAh to 2000 mAh for the budget brands and premium versions. However, most of the rechargeable batteries have a range between 1800 mAh to 3000 mAh. The well-known and reliable companies are at the moment producing AA batteries of around 2000 mAh. Other batteries which are stated with the capacity of lower than 1700 mAh or higher than 2500 mAh because they are not considered to be good enough. The lower ones are highly underpowered and the higher ones portray an image of being overpromising.
The batteries that we recommend and consider for use are the ones who can take 1000 to 2000 cycles easily but here is the part that most people do not understand. Whenever we charge and discharge a battery, some of the energy of it goes to waste. Keeping aside the horrifying metaphors, we know that once a battery is charged for like hundred times, the capacity of the battery to work efficiently becomes lower since the time you first bought it. When you are considering the AA or AAA batteries that you are most likely to charge not more than twice per month, are assumed to be more useful in homes where they can be utilized for 120 cycles or five years in other words. But when you calculate the total price of every charge, even if you charge once per month, using these rechargeable batteries in not very heavy on your pocket. So if you think that initially, these rechargeable batteries are very costly, then you should keep in mind the long term benefits that bring along with it. Hence, now you can get rid of the disposable alkaline batteries that are of no use in the long run.
Well, getting these AA batteries sounds easy but it really is not. It just does not go with the statement “you get what you pay for”. When we did our thorough research and testing, we discovered that these discount brands offer a discounted performance. In a pack of eight batteries, the most reliable and good quality brands of batteries cost from $2 to $2.5 each. Other brands that sell out the batteries double this amount in the same price make things go a little suspicious. Since we did not have any kind of good experience with these brands, it is due to the reason that they seem overpromising and sometimes give a very under-rated capacity or cycle life of a battery. Just like that, the premium and pro batteries, which are at times tuned in such a way that they have enough capacity but have a lower cycle life. They provide us with an offer of selling out the batteries with 25 percent on premium but there is no offer which promotes a good performance level for people. for this reason, without any doubt, you can simply skip this option. We have tested and retested 10 different battery brands in AA and AAA after 2015 and these include AmazonBasics, Duracell, EBL, Energizer Recharge Universal, Energizer Recharge Power Plus, Panasonic Eneloop, Panasonic Eneloop Pro, IKEA Ladda, Powerex Imedion and Powerex Precharged. These are top most brands that come with good quality, economical price and huge capacity with great performance. The brand names of batteries listed above all have been considerably known to be really good quality wise and have been labeled with “low self-discharge,” “LSD” or “pre-charged”. All those batteries which come with any of these marks on them are among the ones which are specifically designed to retain a charge for even months or years as per price. Therefore, we would like to recommend these rechargeable batteries than the alkaline disposable ones because although they seem heavy on pocket initially but definitely very useful in the near future.

How we have tested and retested

We have previously discussed how we had picked the best AA and AAA batteries and now we will guide you through our process of testing and retesting. The top battery producing brands were continuously tested in order to find out the significant differences and we have come to realize that every single time, these top brands were tested, they showed the same performance so there were no major differences.

Be it Duracell, Eneloop, Energizer or AmazonBasics, (they are likely to be produced in the same factory of Japan) they have slight material or manufacturing changes. These differences also, solely, depended upon two things: the brand and the price of it.

However, even after the smallest differences, the performance was almost the same in each of them. For this current moment, the people who have been analyzing the batteries have taken more than a thousand hours for testing and checking the capacities and cycles of each battery. Other than this, we have also spent days and nights scrutinizing and thoroughly examining the real-world implementation in controlled settings. This way the functioning and designs of the battery were examined properly by analyzers and their long-term pact of recharging.

Capacity CheckingCapacity checking for AA batteriesCapacity checking for AAA batteriesCycles testsShelf TestsFlashlight and Head lamp testsRC car testsCamera flash Test: IKEA vs. Eneloop
For this part of testing, we consider choosing 4 different batteries of each brand we have available. The moment these batteries are unpacked, they are drained to 0 so that we can charge and discharge them for 3 more times. This is done so because analyzers want to check the results for each. Which battery performs for how long and whether their capacity is really what they have described on the battery itself. In all, we have 12 measurements for discharging on an average. These measurements are then checked for the capacities and cycles they can bear.
The charging for AA batteries is done at 500 mA and are then discharged at 1000 mA. In general, there 11 distinct AA battery brands that have been tested for their batteries, named as: AmazonBasics, Duracell, AmazonBasics High Capacity, EBL, IKEA Ladda, Energizer Recharge Power Plus, Energizer Universal, Panasonic Eneloop, Panasonic Eneloop pro, Powerex Imedion and Powerex Precharged.
Distinct from AA batteries, AAA batteries have a comparatively a lower capacity hence they have to be charged and discharged at a slower rate. For AAA batteries we came down to 400 mA for charging as well as discharging. For this, we have only tested 4 lines of different batteries of AAA batteries which are named as: AmazaonBasics, Duracell, Energizer Recharge Universal and Panasonic Eneloop.
Every single brand of batteries that we tested for its capacity was also tested for how good their capacity to hold a charge is after repeating the cycling a few times. We used the average capacity as a basic point so that we cycle every battery we have at least 50 times to check how much charge it holds after continuous charging and discharging. Although we are fully aware of the fact that rechargeables are not looked upon as a good option as they are seen to lose their magic very quickly in comparison to others and this test is a very good option because here we can put more focus on batteries that you might not use at home. After passing 48 complete cycles, we will retest the capacity of the batteries. Thoroughly carrying out this process, we saw that there was no fundamental difference seen in the first and last charges. In the AA batteries, we observed that there was a less than 2 percent of the difference in the capacity of it before and after the continuous cycles. However, in the AAA batteries, there was no observable difference at all. It is clear that we cannot speed up the time to check whether these batteries would last 3 or 4 years long. The batteries get drained out over the years but checking what the charge cycles do in them it certainly not possible to know.
The modern rechargeable batteries have a higher capacity to hold charge as compared to the NiMH original batteries used 10 or 15 years before. The rechargeable batteries produced nowadays has a very low self-discharge but then we see them coming with the label of “LSD” or “precharged”. Until now, all the tests that we have run, almost all the batteries have come near the claims of the manufacturer. However, when these batteries lose 1 to 4 percent per month, the well-known battery brands still maintain their charge after 6 months of complete rest on the shelf rather than on a discount. Nevertheless, the alkaline disposable batteries are just completely out of the box. But if you look at it the other way, the longer the stretch is the percentage point might move here and there over the time added. So it is clear that if the rate of self-discharge is lower then, the storage of the battery is likely to be better and thus more useful for emergency kits. After keeping 4 AAA battery brands in storage for 16 months; AmazonBasics, Duracell, Eneloop and Energizer, and 3 AA battery brands; Energizer, Eneloop and Imedion after keeping in storage for 9 months.
After running all these basic tests, we get some great information to try to figure out which battery has the best performance so far. This dense information makes it hard for us to describe as to which of the numbers are relating to the good functioning of each battery on a daily basis. Hence for knowing these batteries in a better way, we have used them in flashlights as well as headlamps to check if there is any observable difference present. In single battery Coast flashlights, we have used eight different AA battery brands every single one of the batteries was stored inside a cardboard box with cameras adjusted into it to check through videos the performance of each over the time span. After recording the time for each light, we checked out the ones which completely went off and also the ones who had dimmed prematurely over time. For testing the AAA batteries, we have to turn to the option of our pick for the highly functioning head lamp, the Black Diamond Spot, which works with using three AAA batteries. Four headlamps were loaded with batteries, namely, AmazaonBasics, Energizer, Eneloop and Duracell batteries, and put inside the cardboard box for checking their draining time. Since it is difficult to stand with the flashlights in hand and wait for them to drain out completely, we put them in watermelons (using them as stand-ins) and let the video camera record them dimming and showing their capacities over the night. Six hours had passed when we checked the lights and we found out that all had gotten dim. Hence, it is proven that these lights will not be useful for your hiking events but they could be very useful for lighting up your tents. All the AAA batteries present in our list had performed well for their capacity and life cycles almost performing the same. Well, for this particular reason we call it a tie and snacking on the watermelon was a must.
We see that most of the times people see flashlights and headlamps to be utilized by the using AA and AAA batteries but these options are not the most demanding ones. If you think of an electric motor, it is the most battery consuming product we have to discuss. Due to this, we had used top three AA battery brands, Eneloop, Energizer and Powerex to check their drainage time period. In 2016, on a hot summer day, we planned on meet Brookfield, Wisconsin and the owner Jamie Tennies of Trackside Hobbies & Raceway. Trackside hosts national competitions because they consist of an indoor RC race track with an addition of the normal open track practices. These cars are outstandingly good because they go through 40 mph on a regular basis and that there is a high-quality lithium-ion battery-powered with a brushless motor. All this entire package is way too posh and luxurious for our purpose. Alternatively, Tennies had soldered our sample batteries by packing it with a high voltage for running the tests on their cars around the track. Apart from all the experiments carried out on batteries and our experiences over them, we did not know what to expect really. Because we know that these batteries are not made to drain out this quickly and that electric motors are not built in a way that these batteries could be used. By roughly keeping the driving same, Tennies had used every pack in turn to drive around the car and there we would stop our stopwatches when the car does not show enough power to clearly move on the track hills. All of us had a bet over the time of the battery packs working. We all had an estimate of five minutes or so of them lasting and will there be any fires or not (honestly speaking, we had expected this to happen). These five minutes had firstly turned into six and from here to ten minutes. At 10 minutes, we had started becoming so nervous about our experiment running for so long. By the end of each experiment, we concluded that each AA battery pack had taken 11 to 15 minutes to race around any track. The three brands we had our eyes on worked pretty well; Energizer Recharge Universal, Panasonic Eneloop and Powerex Precharged. After pulling out the batteries from the testing cars, we came to realize that even if there were fires, but what we were doing as an experiment was not really safe. This is so, because the temperature of the surface of one pack only was 210 degrees Fahrenheit after one or two minutes of removal. It was carefully removed from the cars because the temperature was extremely high. It was not surprising that the Powerex batteries that had been rated for more capacity at 25 percent had a long-lasting life. The silver medal was awarded to the Energizer because it had stayed on the road for more 30 seconds in comparison to the Panasonic Eneloop. But there is a different side to the story. If there had been a little different situations and the variables had been kept in mind, then I think the results might have been very different.
IKEA’s Ladda batteries were tested while comparing them to the Panasonic Eneloop Pro batteries. They were put inside the flashes of a brand new camera and after testing, we realized that the performance of each of them was equally good. Therefore, Gizmodo had suggested that the batteries of IKEA Ladda are affordable comparing to the heavy price Eneloop Pro batteries. Like all other chosen brand batteries, these two have also been manufactured in Japan. We have discussed this earlier that there is only one major factory in Japan that produced these type of batteries so the least we know is that the source is the same but they definitely use different materials based on the prices and the performance it is supposed to give. Panasonic Eneloop Pro batteries are the ones that consider the ones with high capacity and high power capabilities. Therefore, professional camera flashes had continuous demands so we had it figured out completely that this option is the best to compare the performances of each battery. Furthermore, we opened the packages containing these batteries of Eneloop Pro and Ladda batteries to drain them out completely and then recharge them to the fullest before fixing them in the hot shoe of 2 brand new camera flashes. After we had stuck each of the flash on a cardboard box that is sealed with a USB controlled light sensor for recording the level (lux) of light 1/100 of a second. We had started out timer and with it working, the flash was struck intermittently for every other second for 3 seconds then let it rest for two seconds. This was repeated again for a few more times. After completing the cycle of each battery, the light sensor automatically drew a graph that portrayed the recycling of the flash at a very fast rate. This was done to see what effect there is on after strobing and what is the intensity of the strobing. 44 flashes were kept up by the Eneloop Pro batteries however, the Ladda batteries have stumbled quite a few times over some activities and could manage only 38 flashes in total. Even after knowing that these batteries are manufactured by the same factory giving similar test results but with little differences, it is okay and fine to conclude that they both consist of the same design. However, there a few differences too. IKEA Ladda batteries are less pricey hence their performance and longevity has been compromised a bit.

1. Energizer Recharge Universal AA Battery

Energizer Recharge Universal
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Best Energizer Universal AA Battery works really well and they save you money since you can use them again and again. They are better for the environment since you use less product and save energy. I recommend them. Energizer Rechargeable Batteries are convenient and helpful.

After researching for longer periods of time, we have come to realize that every single top brand rechargeable battery name works almost the same. But when it comes to the Energizer’s Recharge Universal AA Battery is our forever to go and get an AA battery.

The reason behind this is that it is always available in any local stores nearby, holds the same amount of charge as any other expensive brand, it can uphold the recharges as strongly as any another battery and does not lose its charge for when it is left in storage for long periods or months.

Additionally, you have the option of purchasing them online, you can also find Energizer Recharge Universal in any store you go. This includes the major retailers who provide home goods, huge boxed hardware stores and every electronic store.

This convenience is very essential because you never know when you will be needing it. So if you are out for getting groceries and all of a sudden you remember you need, then you can quickly grab these Cheap Energizer rechargeable batteries.

because they will give you a fair performance. You can rest back after getting your hands on these. We all know that all top brands, be it Energizer, Duracell or Panasonic Eneloop, all come marked with “Made in Japan” hence there are higher chances of them to be manufactured from the same factory.

Therefore, if you think about the performance they will give, you will face minor differences that won’t matter when you use them in wireless keyboards or flashlights.

All other brands named batteries have their capacities ranging from 1900 to 2500 mAh where Energizer Recharge Universal comes with 2000 mAh. It is not only the price of Energizer that is a bit different but also the performance is a little different from other brands. However, this difference not really noticeable when using products.

After 3 years of continuous testing, we have come to realize that Energizer rechargeable has ranked at the top of the list for these 3 years. After testing the batteries in Coastline flashlights, the Energizer batteries ran as long as all other batteries with higher ratings. When we chose Energizer, Eneloop, and Powerex battery packs to test over a competition of RC cars, we noticed that Energizer and Eneloop had the same running time as compared to the much expensive Powerex.

After analyzing the life of only one charge to critically observing the battery life to purchasing and recycling, Energizer had showed a huge value attached to it. 50 cycles of discharging and recharging every single brand of battery we conclude that there is a slight change in capacities of bigger brands.

This means that our pick has proved itself with any kind of degradation. The Energizer design comes with the confirmation of its shape to remain intact for 5 complete years. This is an estimate for every battery brand out there.

If you forget and leave your batteries in a drawer for months and expect them not to work after so long, you are wrong here. They will give you the same performance as they would have months before. It was checked after 9 months, that Energizer AA battery are able to give an output of 70% capacity.

Eneloop had comparatively a better performance after 9 months; 80%. It is maybe because Eneloop is a little pricey too. It does not matter if you use or don’t use the AA batteries, you should once in a year charge your batteries.

Pros
  • Its capacity is to hold charge the same as the most expensive ones
  • Stays uptight even after a lot of recharges
  • Easily available in every local store
Cons
  • After shelf rest of 9 months, it was observed that other batteries had 10 percent more charge than Energizer

Flaws but not deal breakers

After spending almost 9 months completely resting for the shelf test, we saw that the Panasonic Eneloop has had a 10 percent more energy as compared to the Energizer Recharge Universal batteries. 25 percent capacity of the Energizers is less than the Eneloop Pro line.

Although, the very minute improvements in Eneloop batteries’ performance is because of the prices in which they come. And here is when we make our decision we get to know that these high prices are not worth it.

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2. Panasonic Eneloop Rechargeable Battery

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Panasonic Eneloop Rechargeable  batteries work amazing and once they die, You just recharge them rather than throwing them out.  These Rechargeable Batteries stay charge for a very long time you don’t have to worry about charging them made use.

Rechargeable batteries are highly convenient to use. You no longer have to worry about your device not working due to a weak battery. With rechargeable batteries, all you have to do is charge them once and you’re good to go for a pretty long time.

The Panasonic Eneloop batteries are a little expensive than the other companies and they also have a large fan following. However, the features that Eneloop offers are not much different from other top rechargeable battery brands. The Panasonic Eneloop batteries have the same great performance as any other high-end battery.

During the branch tests, it was found out that these Panasonic Eneloop batteries had the same magnitude as was advertised. Moreover, it was observed that the Eneloop batteries showed little to no difference when compared to other famous brands. Instead, the Eneloop battery showed a capacity which was almost 5% lower than the topmost brands.

 In addition to this, a flashlight test was also carried out. In this test, batteries from different top brands were inserted in the same Coast flashlights. In conclusion to this test, it was found out the Panasonic Eneloop batteries survived for only about two and a half hours which was about half an hour less than our topmost pick – energizer.

In another test to power an RC car, the results found were quite different and surprisingly smaller. It was found out that the Eneloop batteries lasted for about 95% as long as the Energizer batteries.

The way the Eneloop batteries perform when not underuse is the cause of their high price. A little test was carried out to see the Eneloop battery performance when they are not being used.

The batteries were fully charged and kept in storage or nine months. It was then found out that the Eneloop batteries had more energy in them as compared to the others that were also tested. The Eneloop batteries still had almost about 80% of their energy. Thus they could comfortably be used to power a flashlight, radio, remote control, or any other item that you need in an emergency.

It is not common to find such a result which was better than most of the other brands. Not many brands have this feature. This result was almost 10% better than the top battery brands. Despite this, it still has some pros and cons. Let’s check those out.

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Pros
  • Good following
  • Good quality
  • Last about 95% as long as the energizer batteries
  • Almost 80% power still remains after storage
  • Could easily power any item in an emergency even after not being used for a long time
Cons
  • Quite expensive
  • Same features as any other brand
  • Have an average of 5% lower capacity than other top brands
  • Does not last for as long as any other famous battery brand
  • Some may not find it very unique
  • Lasts about half an hour less than other top rechargeable batteries

3. AmazonBasics AAA Rechargeable Batteries

AmazonBasics AAA Rechargeable Batteries
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AmazonBasic AAA Rechargeable Batteries are so perfect. It’s just so nice to be able to use them again and not waste so much batteries. AAA Rechargeable Battery charges pretty fast and lasts for a long time. They stay charged for a very long time you don’t have to worry about charging them made use.

Doesn’t one always want to save money however they can? Most of people usually follow a strict budget in order to save some extra bucks. It is quite important to spend your money wisely whether you are on a budget or not. Especially no not want to spend a lot on simple AAA rechargeable batteries.

When it comes to purchasing some AAA rechargeable batteries. You can do that by purchasing batteries from a brand that is not very well known.

AmazonBasics AAA Rechargeable Batteries is one such brand. It is not one of the highly famous brands; however, it is of excellent quality. It performs nearly as well as any other expensive battery in a way that no other affordable brand (including AA batteries from AmazonBasics) could ever perform.

AAA Rechargeable batteries are usually available in a capacity that ranges from about 700 to 1000mAh. After performing several tests to see how different batteries work, it was found out that AmazonBasics AAA batteries had about 800mAh. In addition to this, these batteries can also store about 5% to 10% more energy as compared to the Energizer and Eneloop AAA batteries.

Upon further tests to see how the AmazonBasics AAA batteries work in reality on LED headlamps, an interesting conclusion was drawn. It was observed that the light-powered using AmazonBasics AAA batteries was equally bright and lasted as long as the other AAA batteries.

Furthermore, these batteries are pretty long-lasting too. Therefore if you are searching for a AAA battery that can last you a long time, the AmazonBasics is a perfect option. Similar to other battery companies, there was no loss in the capacity of the AmazonBasics AAA batteries. This conclusion was made after charging and discharging them for about 50 times.

In addition to this, these batteries are pretty safe for long storage. While testing these AAA batteries along with a couple of others, it was found out that all of them lost almost 1% of their charging capacity. No drastic difference was noticed between AmazonBasics and the other batteries. It was then concluded that all these batteries were equally good for emergency uses; whether it is to power a flashlight or any other item, you can conveniently use these batteries.

Since there is not a drastic difference between the AmazonBasics AAA batteries and the other brands, is it no better to get the cheaper option? AmazonBasics is far more affordable than brands like Energizer and Eneloop and the best part is that it is not at all heavy on the pocket. Let us now look at a few pros and cons.

Pros
  • Highly affordable AAA batteries
  • Excellent quality
  • Have 800mAh power capacity
  • Have 5% to 10% more energy as compared to brands like Eneloop and Energizer
  • These batteries are quite long lasting
  • Very durable
Cons
  • Not as good as Eneloop
  • Doesn’t hold charge long

To charge your batteries: Panasonic BQ-CC55

Aren’t rechargeable batteries the most convenient thing ever? If suddenly your remote control or other such gadget stops working, you do not have to go all the way to the market in order to buy new batteries.

All you have to do is recharge them once again and you are good to go. However, despite their convenience, rechargeable batteries are of no use to you unless you have the proper means to charge them.

When purchasing new rechargeable batteries, it is very important for the customers to also get a good charger. The power of a rechargeable battery also greatly depends on the type of charger being used. You must get a charger that is efficient and get the job in a very quick manner.

Apart from being efficient, it must charge the batteries in such a way that they last for a long time. It is important for customers to look at such aspects in order to get their money’s worth.

The Panasonic BQ-CC55 is an excellent new charger that is easily available on the market. It is recommended for all those who are looking for a new and unique battery charger. It is guaranteed that buying the Panasonic BQ-CC55 charger will make your life easy and you will not question your decision of purchasing it.

This charger is extremely user friendly and also effective. What more does one want than an item that perfectly does its job without causing you much hassle.

In addition to this, this charger has an automatic shut off feature. This is very convenient and safe as the batteries will not be over-charged. Such features keep your gadgets safe and perfect to use for a long time.

For people (especially the young generation) these days, the look and design of an item is of paramount importance. The Panasonic BQ-CC55 has a very unique and modern design.

It is super sleek and chic. Moreover, it comes with a foldable plug. This feature is very unique and intelligent as it makes the charger extremely easy to carry around and use considering it has no outward protrusions.

This charger is highly easy to use and we assure you that you will not have any trouble operating it. All you have to do is insert up to four AA or AAA batteries in the charger and connect it to a power supply. This charger will only take about one and a half hour to completely charge the batteries.

Furthermore, the charger has a notification light to let you know the progress of your batteries’ charging. Red light means that the batteries are not charged. The yellow light means that they are partially charged while the green light means that the batteries have now been completely charged. Apart from these colors, the light remains gray otherwise.

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4. Panasonic Power Pack Rechargeable Battery

Panasonic Power Pack (K-KJ55MBS66A)
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You can purchase the Panasonic BQ-CC55 separately; however, an even better option is to get the Panasonic Power Pack (K-KJ55MBS66A). This is a good choice for all those who want to stock up rechargeable batteries for use. Whether you are going on a trip or otherwise, buying this deal will be very useful.

It comes with six AA batteries, six AAA batteries, and the Panasonic BQ-CC55 charger. This deal is also comparatively affordable because the charger alone costs around $24. Therefore, getting the whole package is far more feasible.

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Pros
  • User friendly
  • Automatic shut of feature
  • Plug can be folded
Cons
  • Some may find it a little expensive

Care and use

Maintenance of the batteries is very important. One important factor when considering maintenance is the charger. If you have the right charger to charge your batteries, they will automatically take care of themselves.

There are some batteries that need to be kept in the refrigerator or freezer. However, this is not the case with LSD NiMH batteries. It is not needed for them to be kept in a refrigerator or freezer.

Moreover, these batteries also do not require trickle charging in order to maintain their power and you do not even need to drain them before recharging.

You must remember that it will only benefit you to use the chargers that we recommend. If you use these chargers, you won’t have to face any maintenance issues.

All you then have to do is to take off the charger once the battery is fully charged in order to prevent them from overcharging or even power leaking.

Another interesting thing about the chargers that we pick is that you can mix and match them with different batteries. Thus, it not necessary for you to use the same company charger for a specific battery.

Unlike other chargers, the chargers we recommend you will not cause any problems when you use them with batteries of different brands.

However, you must make sure that the same batteries are charged together. This is highly convenient and will only make your life easy. If you do otherwise, the gadget will stop working if the batteries with the shortest life die. You wouldn’t want that now, would you? Thus, in order to avoid such unfortunate situations, you must listen to our advice and recommendations.

There is one thing which you must keep in mind at all times and that is that the life cycle of the battery may be lowered if it is overcharged. Thus it is important that you keep on changing them after some time.

Moreover, if you are thinking about using fast-charging batteries, just remember that they gradually reduce their capacities which results in you charging them more often.

There are plenty of technical reasons to avoid going too slow or too fast. If you are interested, you can take a look at our charger guide to choose basics in order to learn more about such things.

If this is true, you thing, then I would suggest searching up more technical sites which tell you why negative delta voltage detection and pulse charging are the best options.

Long-term test notes

Energizer rechargeable batteries and Panasonic Eneloop batteries have been readily used in keyboards and mice for almost two years. A combination of batteries from both the companies was tried and tested. Energizer and Panasonic Eneloop batteries are considered to be one of the best batteries. Usually, it is these two companies that are the customers’ top pick.

Both these batteries were equally good after testing them. They showed almost the same results and were not very different. It was also observed that none of these battery companies gave either a significantly longer or shorter usage time.

It is also important to keep the voltage and voltage curve in mind while buying batteries. Most of the time, the batteries that one purchase may not be compatible with the voltage being supplied. This can cause a number of problems. One being that the batteries may be easily damaged this way.

NiMH batteries are equipped with a different voltage curve as compared to alkaline batteries. It is easy to confuse simple battery meters that warn of low battery on macOS and Apple Magic mouse with something that indicates full battery. These confusions can also be very inconvenient and cause problems.

Sometimes these low battery warnings are pretty useless. You may think that your device battery is low but that is not the case. This only adds to your frustration and inconvenience. With all the work and added stresses related to gadgets that do not work properly, you do not want the added stress of a false alarm of low battery.

Don’t you want something that gives you authentic information especially when it comes to low batteries? The hassle of quickly getting the charger before your device battery runs out is something that we all are well aware of. In order to avoid such situations where you constantly have to worry about charging, we recommend you to ignore these low battery warnings.

We assure you that your battery will last for a good long time if you use a good charger and charge it properly. Thus there is no need to worry about such a thing. Moreover, we recommend you to ignore all these battery warnings.

After some time, you will realize it yourself as to how irrelevant these warnings are. When you start using the battery, you will come to know that the battery easily lasts for a couple of weeks more (if not for a couple of months). Therefore, the best thing that is advised is to ignore such false alarms.

Furthermore, the charge capacity of the batteries we recommend is almost three to four times greater than your standard alkaline batteries. These batteries do not have a high charge capacity and can be disposed off.

You do not want to spend your money on something that you later have to discard. Therefore, rechargeable batteries are always the better option. In addition to this, despite the brand of batteries that you use, it is usually common for charge meters with disposable alkaline batteries to act a little weird and cause some issues.

What about other battery sizes?

We bet you have only heard about AA and AAA batteries. It is often that people have only heard about these types of batteries. However, truth is that there are a couple of other types as well.

Ever heard of rechargeable C and D batteries? Well, now you have. Despite the fact that these C and D batteries are not very common as compared to the AA and AAA batteries, you must be surprised to know that they are easily available on the market.

Since the C and D batteries are something that not people have heard of, it only adds to their distinct features and qualities. Many of the buyers only want to purchase it because of the sole reason of its uniqueness. Whenever there is something different on the market, people want to purchase it.

Now say goodbye to the common AA and AAA batteries and say hello to the C and D batteries. Install these new and fresh batteries in your device and we guarantee that you will be in for a great surprise. We assure you that these batteries will not disappoint anyone.

Most of the companies sell C and D battery adapters. These adapters allow you to easily use AA or AAA batteries in gadgets that need batteries of a larger size. Buying such adapters will only make your life easy. With gadgets like these adapters (or spacers as they are called), it becomes highly convenient for customers to use various technological devices.

Now you can use any gadget that you want in a very convenient manner. There are often situations when you get a product (like a toy or any other device), however, the batteries that you buy to power that gadget are not compatible with it. Most of the times such scenarios tend to be very inconvenient. In such situations, your best option is to use an adapter.

These adapters make your life way more easier. Now you don’t have to worry about unsuitable batteries of a toy you want to gift someone. Purchasing an adapter together with the batteries is a very smart option.

An adapter/spacer makes sure that the battery you install is compatible with the gadget. Now even if the battery size is large or small, an adapter will help you deal with such issues.

Despite their positive aspects, adapters may have some negative qualities too. They work very well and are super convenient. However, adapters provide you with much less capacity especially when you draw comparisons to larger batteries that have the same type. This is the one drawback that comes with purchasing adapters.

However, even though there is a slight shortcoming with adapters, one needs to understand that everything comes with both pros and cons. When considering adapters, we believe that the pros outnumber the cons. Therefore, there is no harm in getting an adapter as long as it is of an excellent quality.

The competition

After testing a couple of batteries, we came to the conclusion that most of them worked extremely well. So much so that if we see any of the Energizer, Eneloop, or Duracell batteries on sale, we would make sure to purchase them on spot. This just proves to show how great these batteries are.

Performing a number of tests led us to conclude that the Powerex Precharged AA batteries showed a great result in all of the experiments. Out of a total of 2600 mAh of stated capacity, these batteries had around 2470mAh. This is an excellent amount of capacity for batteries.

When we talk about the pure form of magnitude and capacity, these batteries had almost 25% more of it than compared to other battery brands that we chose.

However, for such features and a battery this good, you have to pay a few extra bucks. Therefore, if you are on a strict budget and cannot afford this, then the Powerex Precharged AA batteries are not the perfect choice for you.

When compared to other batteries available on the market, this one costs around almost a dollar extra than the rest. This makes a pretty huge difference when you are adding up and especially if you want to buy the batteries in bulk.

However, I you want batteries that provide you with some extra capacity, and you are willing to pay more for it, then these batteries must be you pick. However, you can easily use a more affordable option for your day to day and around the house tasks.

The Duracell batteries were another great pick. Most of the tests we performed with these batteries were very successful. Moreover, these were the only batteries available on the market that had a higher capacity than what was mentioned on their packaging.

The capacity was around 2473 mAh whereas the packaging claimed it to be 2400 mAh. Thus, a higher capacity becomes very useful.

However, despite their claims of a relatively high capacity, these batteries scored a sixth position in our flashlight test. It is pretty surprising to know that they only lasted for around 2 hours and 43 minutes. There are a lot of batteries out there that last for a longer time period than this.

The Duracell batteries are pretty famous and have a pretty decent fan base in the market. Moreover, these batteries are also easily available and you won’t have to face much hassle while purchasing them.

Despite their common use, their retail price is almost 45 cents greater than the rest of the brands. However, the Duracell batteries are still very affordable as compared to most of the other battery brands.

It was found that the EBL AA Rechargeable batteries were the most affordable ones out of all the brands. In addition to this, these batteries also had the highest capacity of about 2487 mAh (3 Wb). Isn’t this one the most wonderful feature that you could get in a product? This is an excellent deal that you must avail – highest capacity in the most affordable price!

These batteries made it to the list of the best batteries by the difference of a good 15%. However, there is a huge difference between a high capacity and a product’s durability.

These EBL AA Rechargeable batteries may have a good capacity but they are not lasting. So you may not get your money’s worth if the batteries won’t last you for a good amount of time.

Moreover, the EBL cycle claims are all haywire and the company does not seem to keep a good track of it. In some places, these cycle claims are 1200 while they are around 1500 in others. Such fluctuations may make the customer lose their trust in a product.

The Panasonic Eneloop batteries have a higher capacity and a lower cycle life as compared to the AA Eneloop batteries. Other than that there is not much difference between the two batteries. It has 2550 mAh and 500 cycles when compared to the standard of 2000 mAh and 2100 cycles.

In addition to this, the Eneloop Pro is also the most expensive. Moreover, together with the high cost, it provides only 10% more available capacity. This may not be a great thing since most of the batteries usually have 25% more.

Higher capacity and a lower life cycle may be good in only some cases for example in the case of the photographer. However, most of the time this is not true and such a battery may be very inconvenient to use.

It is interesting to know that the AA AmazonBasics Rechargeable Batteries and the IKEA Ladda batteries are manufactured by the same company – Panasonic.

However, this does not mean that both these batteries are the same. After performing a number of tests, it was observed that the AmazonBasics AA batteries were quite similar to Eneloop Pro batteries. However, the IKEA Ladda batteries were a little different.

It was then concluded that both these low-priced brands might be using different materials or older designs to create their batteries whereas the Eneloop ones use the latest stuff. Now it all depends on what type of battery you can afford.

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