Lithium-ion (Li-ion) batteries, which provide excellent power density and lengthy service lives, have become the dominant rechargeable battery technologies over the last 30 years. However, thermal ...

Ready to drop disposable alkaline batteries for rechargeable AAs and AAAs? Not so fast, you first have to figure out which ...

Lithium-ion batteries are miraculous. They’re strong enough to run a vehicle, and they can be recharged at any outlet. Their commercial debut, in 1991, and popularization over the next two decades, ...

Lithium-air batteries have the potential to outstrip conventional lithium-ion batteries by storing significantly more energy at the same weight. However, their high-performance values have thus far ...

I’ve tested and reviewed EBL AA 2800mAh & AAA 1100mAh NiMH batteries and was very impressed. I often use them in my camera flashguns, flashlights, gaming console controllers and other gadgets around ...

Why the next-gen solid-state battery everyone talks about isn't in your iPhone yet ...