Battery innovation doesn’t always get the spotlight, but maybe it should. After all, it’s one of the few things that truly defines the day-to-day user experience. Over the years, smartphone processors ...

Battery life; we can never have enough of it. Even though most smartphones from the past few years will easily take you through a day of use and possibly even two, the oldies among us still pine for ...

A popular DIY "freezer trick" promises to revive dead power tool batteries. Before you try it, here's what experts say actually happens inside the pack.