Battery tester demo: AA, coin cell and car battery
Pick a battery type and watch the verdict appear. The readings here are made up; in the app they come from your own multimeter over Bluetooth.
Phone simulation: Battery tester
About the battery tester
Pick the battery from 22 types, touch the probes and the app reads the voltage at rest. The verdict uses that battery's own scale, the same scales as the free battery checker on testnmeasure.app, and says what to do next. Freeze & capture keeps the result in the battery's history, so you can see how it changes over weeks.
The battery tester is coming in an app update. It is not in version 1.0 on the App Store yet.
On testnmeasure.app
- The battery tester in the app
- Free battery checker: type a voltage, get the verdict
- Guide: how to test a battery with a multimeter
- AA and AAA battery voltage chart
- CR2032 and coin cell voltage
- Car battery voltage chart
- See the supported OWON and ZOYI meters
- TestNMeasure on the App Store
iPhone and iPad (iOS 17 or later): free on the App Store. Android later.