Through months of testing in a variety of conditions, we used them to power everything from small devices to large, ...

Renault’s electric vehicle (EV) unit Ampere has signed a joint development agreement (JDA) with Stratus Materials.

I looked at three years of exclusive CNET data of iPhone performance to find out which models hold their charges best.

Lithium battery bags do work, but only to contain fires, not prevent them. For most users, they’re an inexpensive safeguard ...

CNET senior technology reporter Abrar Al-Heeti highlights that the iPhone Air she reviewed regularly ends the day with about 20% to spare (after starting with a full battery). She said it would drop ...

They have developed a fluorinated deep eutectic gel electrolyte (DEGE) that overcomes critical safety and performance hurdles ...

While Mashable has yet to perform nuanced battery testing of our own, we at least have official spec sheets to go off of ...