A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

One customer at an auto shop had a power drain issue that caused her to replace her car battery three times in one year.

Battery cell voltage is the most fundamental measurement made on the cell. While on the surface measuring voltage seems easy, ...

Lots of horror stories feature cars. There are the obvious ones, like Christine, and the cars that practically become a ...

Dead batteries and leaky tires can lead to expensive service calls. Save yourself some cash with a jump starter featuring a ...

Begin by connecting pin 85 of the relay to a clean ground point on the vehicle chassis or the negative terminal of the ...

The WBT21 is also a watch battery tester with a big voltage display that will precisely test Silver Oxide 1.55V, Alkaline ...

Maximize your iPhone battery efficiency with these easy-to-follow tips and iOS tools designed to save power and extend ...

Need a long-lasting laptop? Here are the longest battery life laptops we've seen in our many years of hands-on testing.

Other Android makers like Google, OnePlus and Xiaomi include comparable options -- often called Adaptive Charging, Optimized Charging or Battery Care -- that dynamically slow power delivery or limit ...

Discover how different stationary battery technologies power the shift toward renewable energy and grid-scale storage. This ...