The reality is that like almost every component under the hood, a car battery has a finite lifespan and will conk out on you eventually. Weather conditions, corrosion, electrical shorts, charging ...

Everybody has batteries in many different kinds of devices and sometimes it’s useful to know if the batteries are good of bad. Of course the best way to test it is with a meter but not everybody has a ...

Modern electronic technologies like smartphones, laptops, and electric vehicles (EVs) are in high demand. As these technologies evolve with more and more functionalities, the demand for better, more ...

Measuring rise time for a power source. Voltage vs. time signals measurements via a scope. A practical setup for battery testing. I was recently asked a question about a dc power supply, aka a voltage ...

Modern digital multimeters (DMMs) are user-friendly, accurate, and safe — when used correctly! Reading voltage is simple, but measurements must be properly interpreted. With a clamp-on DMM, accurate ...