The clean energy revolution requires a lot of batteries. While lithium-ion dominates today, researchers are on a quest for better materials.

Wondering why your phone’s battery is smaller in the US or EU? Here's how international shipping laws limit smartphone battery size — and why it matters.

The U.S. House approved legislation Wednesday mandating federal safety standards for rechargeable lithium-ion batteries used in e-bikes and scooters, with the goal of preventing fires. The bill ...

The application here is specifically very small solar cells in outdoor applications, which are charging lithium ion capacitors instead of batteries.

Both batteries have a round-trip efficiency rating of about 90%, which is the norm for lithium-ion batteries. What stands out is the depth of discharge rating on the 10H and 16H Prime.

A full analysis of the best solar batteries for homes today. We detail seven solar panel batteries including expert buying advice and alternative solutions.