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.

Battery-powered tools are incredibly common today. Most major tool brands have adopted this technology, exploring rechargeable battery science on their own to keep their tools running longer and more ...

In brief: If you're someone who uses gadgets until every drop of life has been squeezed out of them, then this battery tech might be right up your alley. A Chinese research team has devised a clever ...