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 ...