Every parent knows the constant cycle of buying or recharging batteries for kid-related products—but the Instructables web site has some guides to modifying your gadgets to use AC power instead of ...

Batteries aren't one-size-fits-all, and neither is the way they're wired to your house. Here's what you should know about AC- and DC-coupling. When we think about solar panels and batteries, we don't ...

The growing demand for efficient battery testers. How to calculate ac power requirements. Calculating ac power per phase for a three-phase system. One major factor driving the lithium-ion battery ...