Watts+ app for iPhone and iPad

With different chargers and charging cables, the charging speed will vary greatly! Let us help you find the best combination of charging equipment!

Mr. Battery provides the following features:
1. Detect the charging power of the current device.
2. Record the results of each test.
3. Add notes to the charging results to help you compare results between different charging devices.

Note:
1. Although we have done a lot of optimization and data validation on the algorithm, there are still some errors in the measurement results.
2. We recommend that you make multiple measurements on the same charging device and compare their pros and cons.
3. If you want to accurately measure power and other parameters, please purchase professional testing equipment.