If you are using a Windows laptop and you want to know how long you can continue to use your computer on battery backup, before you have to charge it, you can edit ...

I used Microsoft's free Windows 11 battery health tool to diagnose my PC - and got helpful results ...

Power outages happen all the time. Some last two seconds, some two hours. Either way, a battery-backup system will keep your gear safe and let you save your work. Rick Broida is the author of numerous ...

Battery life is an often vague and nebulous concept. In theory, it can be represented by a single number but, in practice, literally hundreds of factors can shorten or lengthen endurance. Performing ...