Rechargeable batteries are, among other things, one of the most crucial tools that you'll want to add to your earthquake emergency kit. When the grid is down, these devices can efficiently power ...

Phones, eBikes, and anything else that has a rechargeable battery has a non-zero chance of bursting into flames. The good news is that there are warning signs that your rechargeable device’s battery ...

Rechargeable lithium-ion batteries most commonly power cordless electric lawn mowers. In push mowers, they’re usually removable, but in some riding mowers and zero-turn mowers, they are built-in. They ...

They're in our phones, laptops and smartwatches—but lithium-ion batteries can be dangerous when damaged or overcharged.

It seems to happen with all devices: you notice you don't get as much charge as you used to, and your iPad starts dying at inopportune times. Maybe it powers off when you still have 20% left, or just ...

A key indicator of your MacBook's battery health is its cycle count. Keep reading to learn what it means and how you can check it for yourself. Modern MacBooks can last 18 hours or more on a single ...

This article is a preview of The Tech Friend newsletter. Sign up here to get it in your inbox every Tuesday and Friday. After I wrote recently about how you can reduce the risk of fires from ...