All you need is to launch the application and select a sound to react to when the charger is connected or disconnected.
The application can notify you when the battery is fully charged, which can be convenient if you need to quickly charge your smartphone to 100% and remove it from charging.
The Overcharging of battery can damage battery so it should be plugged out when it reaches 100%. So Full Charge Alarm will help you to keep your phone’s Battery healthy.