5 Preparing Battery for Operation
► Never attempt to service or repair the bat‐
tery, carrying system, connecting cable or
AP adapter.
► If the battery, carrying system, connecting
cable or AP adapter need to be serviced or
repaired: Contact a STIHL servicing dealer
for assistance.
5
Preparing Battery for Oper‐
ation
5.1
Preparing Battery for Operation
The following steps must be performed before
commencing work:
► Check the LEDs and beeps,
► Fully charge the battery,
► Clean the battery,
► If you use the connecting cable:
► Clean contacts of the connecting cable,
16.2
► Fit the connecting cable or battery and con‐
necting cable on the carrying system,
► Make sure the battery is in a safe condition,
4.5.
► If the support system, the connecting cable
and the AP adapter are used: Check that the
carrying system, connecting cable and AP
adapter are in a safe condition,
► If you cannot carry out these steps: Do not use
the battery and contact your STIHL dealer for
assistance.
6
Charging the Battery,
LEDS and Signals
6.1
Charging the Battery
The charging time depends on various factors,
e.g. the battery temperature or the ambient tem‐
perature. The actual charging time may vary
from the charging time indicated. The charging
time is indicated at www.stihl.com/charging-
times.
The charging process starts automatically when
the mains plug is inserted in a wall outlet and the
AP adapter is fitted in the charger. The charger
switches off automatically when the battery is
fully charged.
The battery and the charger warm up during
charging.
The STIHL AL 301, 301-4 and AL 500 chargers
have a built-in fan which may cut in and out dur‐
ing the charging process.
0458-820-9901-A
9.1
6.1
16.1
4.5.
► Fit the connecting cable, or battery and con‐
necting cable, on the carrying system.
2
1
3
4
3
► Insert the mains plug (7) into a convenient
power outlet (8).
The charger (5) runs a self test. The LED (4)
will glow green for about 1 second and red for
about 1 second.
► Fit the connecting cable (6).
► Insert the battery cable plug (1) in the
socket (2) on the AP adapter (3).
► Insert the AP adapter (3) in the guides in the
charger (5) and press it home as far as the
limit stop.
7
The LED (4) glows green. The LEDs on the
battery glow green and the battery charges.
► When the LED (4) and the LEDs on the bat‐
tery stop glowing: The battery is fully charged.
The AP adapter (3) can be taken out of the
charger (5).
► If the charger (5) is no longer required. Dis‐
connect the mains plug (7) from the wall outlet
(8).
6.2
Displaying State of Charge
► Press the button (1).
The LEDs (5) glow green for about 5 seconds
and indicate the state of charge. There is a
short beep.
► If the right-hand LED flashes green and there
are six long beeps: Charge the battery.
6.3
LEDs and Beeps
The LEDs and beeps can indicate the battery's
state of charge or malfunctions. The LEDs can
be steady green, steady red or flashing. Beeps
may be short or long.
3
8
7
5
6
5
100 %
English
8
7
4
6
0 %
7