VTT testing says Donut Lab’s “solid-state” battery likely matches lithium-ion; energy density measured at 298 Wh/kg, claims ...

Here’s all you need to know about the magic that happens inside your EV battery and how it impacts range, charging and performance. There’s no one-size-fits-all solution when it comes to batteries, ...

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.

A hybrid has two batteries, and the bigger one matters more than most drivers realize. Here's what can happen when it fails, plus signs to watch for.

While there’s no way to predict exactly how long the battery will last - how much you use the EV, how you charge it and the ...