Battery And Charger; Recharging The Battery - Stihl RMA 443 Gebrauchsanleitung

8. Battery and charger

8.1 General
RMA 443, RMA 443 C, RMA 443 PC,
RMA 443 TC, RMA 448 PC and
RMA 448 TC lawn mowers are operated
with rechargeable STIHL type AP lithium
ion batteries only.
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 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 ( 8.6).
8.3 Removing/inserting the
battery
RMA 443, RMA 443 C,
RMA 443 TC, RMA 448 TC:
The RMA 443, RMA 443 C, RMA 443 TC,
RMA 448 TC lawn mower can only be
operated with one battery. The battery can
only be inserted in the battery
50
compartment (1). The transport
compartment (2) is only used to transport
the battery.
Function:
As soon as the battery in the battery
compartment (1) is discharged, the battery
must be removed and charged.
RMA 443 PC, RMA 448 PC:
The RMA 443 PC, RMA 448 PC lawn
mowers can be operated with two
batteries. Batteries are inserted in the
battery compartment 1 (3) and in the
battery compartment 2 (4).
Function:
As soon as the battery voltage in the
battery compartment 1 falls below a
certain value, the machine automatically
switches to the battery in the second
battery compartment.
There must always be a battery in the
battery compartment 1 when working; the
battery compartment 2 can remain empty
8
if necessary. The battery compartment 1
must not be removed, even after the
battery has discharged.
Switching from the battery
compartment 1 to the battery
compartment 2 may be discernible
by a brief drop in speed.
RMA 443, RMA 443 C,
RMA 443 PC, RMA 443 TC,
RMA 448 PC, RMA 448 TC:
● Remove the safety plug
7
( 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 into the
battery compartment as far as it will go
applying slight pressure – a clicking
sound will be heard.
With the RMA 443 PC and
RMA 448 PC, the batteries in both
battery compartments are removed
and inserted in the same way.

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.
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.
6
● Remove the battery from the battery
compartment. (
● Connecting the charger to the mains
( 8.2)
9
8.3)
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