Did you ever felt, that one Charger/USB cable set charges your device really fast and the other not? Now, you can prove this with Ampere. Measure the charging and discharging current of your battery. The app works only on Lollipop devices. Please read the list of not supported phones at the end of the description. Start the app and wait ca.
Find Out If Your Phone Charger Works Properly with AmpereNews
