To get the best efficiency for my battery backup system I want to make sure that the backup battery is large enough to cope with at least twice the total amp hours required in my calculations. So, in ...

Dig that old laptop out of the closet and make sure it's plugged in before the storm hits, then use it to recharge phones and other gadgets. Dan Ackerman leads CNET's coverage of computers and gaming ...

What’s more horrific than having your laptop die midway through your morning commute or flight when you’re in the middle of a project? Maybe the fear that your work didn’t save, striking feels like ...

QUESTION: What can I do with a Windows laptop with a battery that won’t last very long? ANSWER: Battery life is a common frustration with all portable devices and how you use your laptop can make a ...

In a nutshell: Comcast has become the first Internet service provider to introduce what it describes as a product designed to keep you connected when the weather gets rough and the power goes out. The ...

Laptop batteries degrade due to common charging habits and overuse. Experts advise maintaining a 20%-80% charge, avoiding ...

It's worth exploring options to preserve battery life before replacing your battery outright. Generating a battery health report on your Windows laptop is one way to see if you may need a battery ...

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 ...

You can show the battery percentage on your Mac computer to help track exactly how much battery life you have left, and when you need to plug it in. To turn on the battery percentage display, open the ...