# Battery Charge Indicator at the Heat Gun

The battery charge indicator on the heat gun indicates the state of charge of the rechargeable battery or an overload for a few seconds when the heat gun is switched on.

Battery charge indicator | State of charge
--- | ---
Green | Rechargeable battery full
Red | Rechargeable battery empty
Flashing (green or red) | Boost setting activated
Alternately flashing red/green | Rechargeable battery overheated
Quickly flashing (red) | Error