Build a 3.7v lithium ion battery charger circuit with this easy to follow tutorial (with schematics and diagrams). Visit To Learn More.

The charger itself contains a lithium-ion battery to give an uninterrupted and clean dc supply output and has a cool multipurpose light source built in! The charger’s electronics consist of a small ...

Ryobi battery charge times can vary based on the model, but how bad is it to leave a fully-charged battery on its charger?

A DC-to-DC charger can protect your engine from damage. Courtesy Victron Increasing numbers of boaters are turning to lithium-iron-phosphate (LiFePO4) batteries to power house circuits and electric ...