Battery Alarm Full is a free Android app developed by Tiny Watch. It is a convenient tool that helps you save energy and protect your phone battery. The app lets you know when your battery is fully charged, so you can unplug your phone or tablet.

The app has several features that make it a useful tool. You can set it to vibrate or sound an alarm when your battery is fully charged. You can also set an alarm threshold for your battery level between 20 to 100 percent. Additionally, it has a setting that allows you to start the alarm only on Galaxy Watch. Moreover, the app has a setting that enables the alarm to automatically stop on your phone when you unplug your device.

It is important to note that due to Android policy, you need to manually turn on the alarm when charging, and the turn-off is automatic. Overall, Battery Alarm Full is a helpful tool for anyone who wants to save energy and protect their phone battery.