My laptop is a dell xps 15 9550 laptop. I get at max 1.5 hours on it on battery with the lowest battery setting and 25% brightness. I always have it connected to the power outlet when using it as i ...

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 ...

PCWorld outlines nine essential practices to extend laptop battery lifespan, including limiting charge to 80%, reducing screen brightness, and managing temperature exposure. These battery optimization ...

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 ...