Battery charge LED indicators
The wrench is powered by a Lithium-ion battery.
The LED indicators on the battery indicate the State of Charge (SOC) of the battery. To activate the LEDs, press the button placed on the battery.

1  | LED indicators  | 2  | Button  | 
The LEDs indicate the remaining capacity of the battery as follows:
Battery charge indicator  | Remark  | 
|---|---|
1 LED  | Critical level, not possible to perform tightening. Charge battery.  | 
2 LEDs  | Low charge. Charge battery.  | 
3 LEDs  | Medium charge. Charge battery, when possible.  | 
4 LEDs  | High charge.  | 
5 LEDs  | Full charge.  |