I sprung for a new battery for the aging x230. It's a GHU from Amazon for $60. The "new"one from Lenovo was $197, worth more than the laptop. So I've got a new battery - what's the best way to test?

Use the following fixes if your Windows laptop battery is not charging after a Windows Update. Roll Back your battery driver Update or reinstall your battery driver Recalibrate your battery Perform a ...

A dead laptop battery can kill your work right where it stands, shutting off your computer before you have a chance to save. Laptop batteries degrade over time, and the battery life you enjoyed when ...

How we test laptops at ZDNET in 2026 ...

So many of our daily gadgets rely on batteries. From something as small as a computer mouse to the bulky units needed to run a car, we can't seem to get away from our need for them. That's why it can ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...