Battery Alarm app is a simple amazing app that alerts you when the battery is empty or charged. WITHOUT ADS!!!

Increase battery life by removing when fully charged using voice alerts.

The battery alarm is one of the simplest.
The battery alarm is completely free and without ads.
The battery alarm Does not require critical android permissions
The battery alarm Does not steal information from your phone
The battery alarm does not use internet, gps, gsm ...
The battery alarm notifies you when the battery is fully charged
The battery alarm notifies you when the battery is low

There are 3 types of warning:
1. Voice alert
2. Notification warning
3. Battery temperature warning notification

IMPORTANT ! Android 8.0 & newer version of
Some phones need to be set up (Xiaomi, Huawei, Oppo, Poco, Oneplus, Vivo .....)
The most important is "Lock app in recently used apps" and turn off battery optimization for the Battery app.
1. Lock app in recently used apps
2. Disable battery optimization for the Battery Alarm application
3. allow option auto start