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

As I bring my electric air conditioning project to a not-completely-resolved close for the season, I want to talk about ...

Wiring a rocker switch isn’t complicated once you understand the logic behind it. Every connection serves a purpose, and when ...

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

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.

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

Durability and battery life were the main concerns when Apple unveiled the iPhone Air, but we quickly got our first answers. The glass may break after accidental drops, but the iPhone Air will not ...

Apple said during the iPhone 17 launch event that the iPhone 17 Pro Max has the best battery life ever in an iPhone, especially the eSIM-only variant that features a slightly larger battery pack.

Having a battery backup feels like you’re prepared for anything—until the lights go out and you realize it’s not actually ...

The Pixel 10 Pro Fold battery exploded during JerryRigEverything’s durability test. It snapped along the same weak antenna line as past Folds, and the IP rating was called into question. The YouTuber ...