![]() Rechargeable batteries are pretty simple devices, but there’s a lot of jargon surrounding them. In instances where I had to step away from observing the test, I set up a GoPro camera to record the operation of the fans, just in case one stopped running before I got back. When the blades stopped turning, the time was noted and the test was stopped. Our flashlight was operated at maximum brightness-roughly 350 lumens-as we recorded how long it stayed lit. For these tests, we ran our fan at maximum speed, recording how long it kept rotating. To see how long the batteries in our test group would last, we used them to run two devices: a small battery-powered fan and a powerful flashlight.ĭrawing 0.6 and 1.4 Amps, respectively, these devices allowed us to measure how long each battery can run during low-drain and high-drain use. We tested AA batteries as these are the most commonly used size for modern electronics such as TV remotes, smart doorbells, and outdoor security cameras. So we tested them by doing just that, using two high-end rechargeable battery chargers (a La Crosse BC700-CBP and a SkyRC MC3000) to measure the amount of charge that each of the batteries could hold, testing four of each and averaging the result. The most important things about rechargeable batteries are how much charge they can hold and how quickly they can deliver it. And most people don’t need that many batteries anyway.Īll batteries were completely charged before testing began. There are less expensive rechargeable AA batteries out there, but they come in packs of 12 at a minimum-which drives the price up. Each individual cell holds about 1,800 mAh of charge, so your devices won’t run for as long as they would with the Energizers or other higher-capacity batteries. Interestingly, Energizer lists the capacity of these batteries at 2,000 mAh, but we found them to hold even more in our real-world tests.įor a less expensive alternative, we recommend Amazon Basics Rechargeable Batteries. They provide the best balance of capacity and price, holding about 2,200 mAh of charge and supporting up to 1,000 charge cycles. So what are the best rechargeable batteries?Īfter hours of testing, the Energizer Recharge UniversalĮnded up being our top pick. Tired of throwing away money on alkaline batteries? Single-use batteries are cheaper upfront, but investing in a good set of rechargeable AA batteries that'll provide years of service in toys, flashlights, and TV remote controls will save you a lot of money in the long run. If you need high capacity batteries and require them to hold their charge without a heavy self discharge, I highly recommend these Duracells.Written by Richard Baguley and Séamus Bellamy Obviously, these take longer to charge - just as a 2 litre bottle takes longer to fill than a 1 litre bottle. However, they only cost a little more - they are in fact cheaper than the Eneloops. They outlast my 2000mah Panasonic Eneloops, which are themselves fantastic batteries. About 16 of my copious amount of AA rechargeable batteries are these. I haven't tested their capacity in a charger, however I test them daily in real use.Īs stated above, I am a location photographer and use several flashes, all of which use AA batteries. You get all the benefits of a disposable battery - you can have them sitting on the shelf for months and still use them and all the benefits of a rechargeable battery - you can recharge them again and again. ![]() They are low self discharge, which means you can charge them and leave them for months, before using them. I'm a location photographer and use several flashes, so I really do test my batteries. To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. ![]()
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