I've got a Samsung Galaxy Tab S6 that's got 3 years of daily use. I like it a lot but the battery is starting to go - from 85% to 40% over a couple of hours. But the screen, radios and ports all work ...

Many users hold onto their MacBooks for years, but one component that may not age as gracefully is the battery. Replacing a MacBook battery is possible, but the process can be complex for most users.

Unplug at 100%, and keep the battery between 20% and 80%. Avoid draining to 0%; store unused tablets at 50%. Use certified chargers to prevent stress and overheating. As someone who uses a tablet ...

Lithium-ion batteries have terrific properties that have caused a revolution in everything from tiny flashlights to Ford trucks. Yes, you have to take them seriously if they show any sign of having a ...