When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

The battery on my aging Lenovo 230x goes from 60% to 10% very quickly. I don't mind investing $50 in a new battery to save from buying a new laptop, How do I measure the the capability of a new ...

The better the analog front-end for measuring battery current, the more accurately you'll be able to gauge the remaining run-time for your battery-backup system. Here's a discrete front-end design ...