PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause ...

I'm sure you've noticed that you see a notable difference in how well a phone battery holds a charge after a year or so. If you keep a phone long enough, its battery may not even have enough charge to ...

A home battery will ensure you don't lose power during outages, but it has a limited capacity. Is it worth the investment? Here's everything you need to know. Nobody likes dealing with power outages: ...