Instruction Manual

0458-820-8621-A
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English 8 Charging the Backpack Battery
WARNING
A typical household electric circuit is between 15 and 20
amps. A single STIHL AL 500 charger draws approximately
4.8 amps. A single AL 300 charger draws approximately
4.4 amps. To reduce the risk of fire from overloading an
electrical circuit:
► Ensure the electrical system is rated to withstand the
expected electrical draw before charging your battery.
► Charge multiple batteries one at a time or on separate
circuits, unless you know your circuit can handle the total
expected draw from multiple chargers.
WARNING
Since the charger heats up during the charging process, do
not operate the charger on a combustible surface or in a
location where combustible gases, liquids, vapors, dusts or
other materials and substances are present.
To set up the charger:
► Insert the plug (3) into a properly installed wall outlet (4)
matching the voltage and electrical frequency stated on
the rating plate on the charger.
The charger runs a self-test immediately after it is plugged
in. The charger LED (1) will glow green for about 1 second,
then it will glow red briefly before going out. Once the LED
goes out, the self-test is complete and the charger is ready
to charge the battery.
► Position the power supply cord (2) so that it will not be
stepped on, tripped over, come in contact with sharp
objects or moving parts or otherwise be subjected to
damage or stress.
8.2 Charging
WARNING
STIHL batteries contain safety features and devices which,
if damaged, may allow the battery to generate heat, rupture,
leak, ignite or explode. Never charge a malfunctioning,
damaged, cracked, leaking or deformed battery or use a
charger that has been damaged, @ 5.2. Never insert a wet
AP Adapter. Never use a wet charger, @ 5.2. Follow all
product-specific warnings and instructions accompanying
your charger.
To charge the battery:
► Attach the connecting cord to the battery.
► Push the plug of the connecting cord (1) into the
socket (2) of the AP Adapter (3) until it stops.
► Push the AP Adapter into the charger (5) until it stops.
The LED on the charger (4) glows green when the battery
is charging.
The LEDs on the AR battery glow green and show the
state of charge.
When the LEDs on the battery turn off, the charging
process is complete and the charger will shut itself off. The
AP Adapter can be removed from the charger.
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