Apple’s AirTag is designed to run quietly in the background, helping you keep track of everyday items like keys, bags and ...

Replacing the battery on your MacBook can be expensive, especially if you use Apple's official service. Doing it yourself is cheaper and not too hard.

A battery monitor is like a gas gauge, showing you how much electrical power is left (known as state of charge) as well as other vital signs. Today adding a monitor to a boat battery is easier than ...

Horse Sense:NHRA rules mandate that a battery-disconnect switch be installed on the positive side of the battery. This is fine for a purpose-built race car without an alternator, but for a street car, ...

When I hopped on a flight to Arizona to shadow a home battery installation, the last thing on my mind was the weather. When I think of Arizona, I imagine a dry desert landscape, clear skies and some ...

You turn the key and nothing happens. The thermometer reads 10°F and your dashboard is dead black. Your battery is either ...