This Cheap Gadget Converts AA Batteries Into A D Battery - Here's How

Stuck with a dead flashlight and no D batteries? Discover the $7 hack that converts your kitchen drawer's AA batteries into a ...
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4 Gadgets Powered By A Single AA Battery

We may receive a commission on purchases made from links. When it comes to AA battery-powered devices at home, it's typical to find ones that use two or more batteries. Your Xbox controller needs two ...
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I didn’t expect USB-C AA batteries to be this good, but here we are

A new phenomenon in the battery market is USB-C rechargeable AA batteries. USB-C is going everywhere and touching everything, and apparently that includes AA cells. AA batteries — and most non-LiPo ...
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Built-In Batteries: A Daft Idea With An Uncertain Future

Having a gadget’s battery nestled snugly within the bowels of a device has certain advantages. It finally solves the ‘no batteries included’ problem, and there is no more juggling of AA or AAA cells, ...