These are our picks for the best rechargeable batteries that are a smarter, longer-lasting alternative to disposables.

This wedding cake, created by researchers and chefs in partnership with the RoboFood project, has edible robotic bears that dance and a chocolate battery that powers the candles.

Gotion High-tech is one of China's leading producers of lithium-ion rechargeable batteries for new energy vehicles. NEV batteries contributed over 70% of Gotion’s total revenue in 2024 ...

The Battery Daddy has a sturdy handle that makes taking it on the go fuss-free. I can easily pack it up for a camping trip or transport it from the storage closet to the countertop.

The AA battery stores up to 2,000mAh and the AAA battery up to 850mAh of power. Eneloop batteries are precharged and are ready to use out of the box.

The best rechargeable standing fans for all-night use, designed to keep you cool or save on energy costs. From extended battery life to sleek designs and USB charging ports, find the best fan for ...

Update — November 24: In his Power On newsletter today, Gurman said the AirTag 2 will still have a coin cell battery, rather than a rechargeable battery. Not really a surprise, but now you know!

A lithium-ion battery – the rechargeable type you find in smartphones or electric cars – will use some form of lithium compound for the cathode, and (usually) some kind of graphite as the anode.

Sony’s updated hearing aids now have a rechargeable battery so you don’t have to fiddle with tiny cells.

USB-rechargeable lithium-ion batteries are following the same trajectory, making some high-end gadgets even better while also showing up in lots of products that they don’t improve.