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

Marine battery charging systems represent must-have items aboard many recreational boats today. Far more sophisticated than old-school bench chargers with battery clips, marine chargers from brands ...

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 ...

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.

If you know your car’s battery is on its way out, it’s best to replace it as soon as possible. You don’t want to get stuck on the side of the road because you ran out of juice. Thankfully, ...

Jeep's Wrangler JLs are electrically complicated vehicles. From the two factory batteries under the hood to all of the sensors that run the CAN bus system, these rigs are incredibly sensitive to ...

Jesse Rodriguez, Las Vegas, NV. I have a 1970 Mustang hardtop that has been in the family for a long time and now I'm getting my turn at it. My dad used to race it at the drags so we got it running ...

How to use Windows 11's hidden battery health tool to diagnose your PC (before it's too late) ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...