Started over a century ago in Japan, Makita is one of the biggest players in the industry and topped our ranking of every major power tool brand. With more than four decades of cordless tool ...

Ever want a seriously powerful PCB for charging a Li-Ion pack? Whatever you want it for, [Redherring32] has got it — it’s a board bearing the TPS25750D and BQ25713 chips, that lets you push up to 100 ...

Good battery care use to involve letting the battery discharge completely every so often. With modern battery technology, that's no longer true.

Batteries used in smartphones or in EVs normally charge for 10 hours on their first cycle, but turbo-charging them to 100% capacity in 20 minutes may lead to a 50% longer lifespan. When you purchase ...