A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V.

A car battery is a crucial component that plays a vital role in the operation of a vehicle. Its primary function is to provide electrical energy to start the engine and power various electrical ...

A while ago, I came across the BT-168 Battery Tester. It seems to be cheap and widely available. Because I wanted to see what’s inside, I decided to order one from an online seller, and managed to get ...

We may receive a commission on purchases made from links. There's nothing more annoying than checking the time on your wall clock and realizing the battery's already dead, or plopping down on your ...

The importance of calibration for all electronic test equipment. The main reason why such equipment must be regularly calibrated. The pros and cons of self-calibration or using outside services. It’s ...