The Ampere Battery Charging Meter app can measure the current being passed to your phone's battery. This information will help you to avoid charging your phone from a bad charger.

It will also inform you of the battery's charge level, health, and temperature. You can set your preference for notifications regarding these issues.

You can choose to set a preferred temperature for your phone.

This app is free to use and it does not have any sort of paid subscriptions.

How to use it:

1. Open the app and you will see a screen that will have three options:

A) Start the measurement.

B) Stop the measurement.

C) Set a preferred phone temperature.

2. You can choose to turn on or off notifications regarding battery health and temperature.

3. You can choose to set the current that you are receiving from your charger.