Batteries are still a large part of our tech lives. We can’t really escape from them, with AA and AAA batteries in particular ...

Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

This Amazon Black Friday deal drops INIU’s 45W, 10,000mAh portable charger with built-in USB-C cable to its lowest price ever.

This 8000A portable jump starter with a 4-inch HD display, PD 30W fast charging, and support for gas and diesel engines is ...