AccA is a frontend app for ACC. ACC is a completely configurable tool that allows to control how your device charges: - Limit charging at a certain percentage - Shutdown the device when battery is too low (ex 5%) - Control battery temperatures and act accordingly - Schedule operations during night - Slow down charging - and much much more You can find instructions for running acc at the [https://github.com/VR-25/acc/blob/master/README.md documentation]. The app requires root to read and write charging control files.