By the middle of the 20th Century, the AA size we use today had been fully standardized. But this slender cylinder would prove to be one of the most popular battery sizes ever created. It was only the latest iteration of dry cell battery technology, which had been refined over the course of the 19th Century. The AA battery was first introduced well over a hundred years ago. We were especially pleased to find the cleverly designed Hitrends Rechargeables, which you can quickly juice up from any USB port. Alkaline units cost less in the short run, but rechargeable cells have closed the capacity and shelf-life gap with their alkaline cousins, so our selections include samples of both. The former two are offered in high-quantity packages consider a top-notch battery case to go with them, which will make storing such large quantities much easier.ĪA batteries have become the workhorses of our digital age, powering everything from mice to keyboards to cameras to game controllers, and it is now necessary to have a supply of them on hand. The Survival Frog batteries seem to have a slight edge over the Hitrends model when it comes to durability.įinally, if it's simple alkaline batteries you seek, look to the Rayovac High Energy or the AmazonBasics Performance Alkaline, if the budget is tight, or the Duracell Quantum Alkaline, which are better quality but more expensive. But we've replaced the Hitrends Rechargeables with the Survival Frog EasyPower, a USB choice that's similar to the former. Outside of Panasonic, there remain plenty of other great rechargeable choices, including the perennially popular Energizer Recharge Universal and the wallet-friendly AmazonBasics High-Capacity Rechargeables. Both are available for purchase with or without a charger, and both also come in AAA versions. You should choose the Pro version, then, when high-powered performance is crucial, even if you expect to have to replace them sooner. The Pro version has a 2,550-mAh capacity to the Eneloop's 2,000-mAh capacity however, the Pro version offers 500 charge cycles, whereas the Eneloop can be recharged up to 2,100 times. Thanks to their reliability, value for the cost, and long-lasting power, the Panasonic Eneloop still come out on top, and we've added the Panasonic Eneloop Pro, as well.
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