If your battery is dying on you, the cause might be what's known as parasitic drain. Here's what it is, how it happens, and ...

Phone battery life has always been important, but which brands consistently offer the longest battery life? After extensive testing, we've found the two leaders.

Microsoft has a free Windows 11 battery health tool to diagnose your PC - how it helped me ...

Today's best Dyson vacuums have powerful batteries – some can last up to 70 minutes on a single charge. But taking care of your battery is important for longevity of your vacuum, and the best way to ...

Using the ATX 9801 is easy -- plug one end into a mains outlet, and it acts like a short extension lead with a digital display. The socket on the front accepts pretty much every power plug worldwide, ...