![]() ![]() Our most powerful rechargeable batteries, made with 15 recycled materials. Charging: 32☏ to 104☏ Discharging: 32☏ to 122☏ Storage: -4☏ to 86☏. The Energizer Ultimate Lithium batteries are the 1 longest-lasting AA batteries complete with leak resistance and performance in extreme temperatures (. Keep your batteries in a cool, dry place and they'll likely last for about seven years. AA, AAA made with 15 recycled materials C, D, 9V made with 7 recycled materials. That old wives' tale about keeping batteries in the fridge to prolong their life? Consumer Reports says don't bother. Despite the high capacity of 2500 mah, these batteries charge amazingly fast: for example, when using the Duracell Hi-Speed Charger, the total charging time is no more than 2 hours. When it's time to change the batteries in your devices, always use batteries that are all the same age, brand and type. Duracell HR6DX1500 Recharge Ultra Type AA Batteries 2500 mAh, Pack of 4. They are sold in large value packs, so a pair of these batteries ends up costing only $1. "Overall, the lithium batteries were tops in our tests, but so were some of the alkalines at half the price," Catapano said.ĭuracell Quantum is the best alkaline performer in Consumer Reports' tests and sells in packs that cost about $2.50 a pair.Ĭonsumer Reports' Best Buy for batteries is Kirkland Signature Alkaline from Costco. "AA batteries range from 62 cents a pair to five dollars a pair, and that's a big price range," Gerard Catapano said.Ĭonsumer Reports put 15 AA batteries - 13 alkaline and two lithium - though a "battery" of tests that simulate typical use in toys and flashlights. and of course within that category you have better and worse quality. But there are so many brands to choose from. Alkaline are the most common, so you can use them for toys, flashlights etc. It's all fun and games until the batteries run out.Ĭonsumer Reports looked into which batteries you should buy to keep everything chirping, chiming and chugging. But do you need to buy expensive name-brand batteries to keep your gadgets up and running? Consumer Reports tested 15 different AA batteries to see which last longest. You'll need lots of double-A batteries this holiday season for all of those new toys and electronic devices. Consumer Reports tested 15 different AA batteries to see which last longest. ![]()
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