An ammeter is always connected in series with the component whose current you want to measure. This means it is placed ...

Many smartphones have fast wired and Qi charging, but both are reduced by various optimizations to maintain your battery.

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 ...

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 ...