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DEFRNLITESPTNOSVFIDASLHUSRHR EN
0478 131 9939 A - EN
The batteries supplied are optimally 
adapted to the intended purpose. 
However, any type AP battery can be 
used.
The lawn mower electronics exchange 
data with the installed battery and adapt 
the power of the electric motor to the 
relevant capacity.
8.2 Removing/inserting the 
battery
● Remove the safety plug 
(Ö 9.1) and hold the battery 
compartment cover in the 
open position.
Removing the battery:
● Push the locking lever (1) towards the 
battery and remove the battery (2) 
upwards.
Inserting the battery:
● Insert the battery (2) as shown to the 
stop in the battery compartment 
applying slight pressure – a clicking 
sound will be heard.
8.3 Connecting charger to the 
mains
● Insert mains plug (1) in 
socket (2).
● After connection of the charger to the 
power supply, a self-test is performed. 
During this process, the LED (3) on the 
charger illuminates green for approx. 
1 second, then red, and then 
extinguishes again (Ö 8.6).
8.4 Recharging the battery
The charging time depends on 
various influencing factors such as 
e.g. the temperature of the battery and the 
ambient temperature. The actual charging 
time may differ from the specified charging 
time. Please refer to 
www.stihl.com/charging-times for 
charging times.
● Remove the battery from the battery 
compartment. (Ö 8.2)
● Connecting the charger to the mains 
(Ö 8.3)
● Insert the battery (1) into the guides on 
the charger (2) and push it to the stop.
The LED on the charger (3) illuminates 
green.
The LEDs on the battery (4) illuminate 
green to indicate the charge state.
● When the LED on the charger (3) and 
the LEDs on the battery (4) no longer 
illuminate, remove the mains plug from 
the socket.
The battery is fully charged.
● Remove battery from charger and insert 
it in the battery compartment. (Ö 8.2)
8.5 LEDs on the battery
Displaying charge state:
● Press the button (1). The LEDs 
illuminate green for approx. 5 seconds 
to indicate the charge state.
● If the right LED flashes green, charge 
the battery. (Ö 8.4)
LED displays:
The LEDs can illuminate or flash green or 
red.
 LED illuminates green.
 LED flashes green.
 LED illuminates red.
 LED flashes red.
Green LEDs indicate normal operation, 
red LEDs indicate a malfunction.
During charging:
Illumination and flashing of the LEDs 
indicate the charging status.
During charging, the momentary charge 
capacity is indicated by a green flashing 
LED.
When charging is complete, the LEDs 
extinguish automatically.
4
5
Once the battery has been inserted 
in the charger, charging starts 
automatically. When the battery is 
fully charged, the charger switches 
off automatically.
The battery and the charger heat 
up during charging.
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