BMW R 1200GS Rider's Manual page 136

tery terminals can damage the
8
motorcycle electronics.
To charge the battery via the
134
battery terminals, disconnect the
battery first.
If the multifunction display
and indicator lamps fail to
light up when you switch on the
ignition, the battery is completely
discharged (battery voltage be-
low 9 V). Attempts to recharge
a completely discharged bat-
tery through the onboard power
z
socket can damage the motorcy-
cle's electronic systems.
Always charge a completely
drained battery directly at the
terminals of the disconnected
battery.
Charging the battery via
the onboard socket is only
possible with suitable chargers.
Unsuitable chargers can result in
damage to the motorcycle elec-
tronics.
Use suitable BMW chargers.
The correct charger is available
through the authorized
BMW Motorrad retailer.
Charge disconnected battery
via onboard socket.
The motorcycle's onboard
electronics know when the
battery is fully charged. The
onboard socket is switched off
when this happens.
Comply with operating instruc-
tions of charger.
If you are unable to
charge the battery via
the onboard socket, you
may be using a charger that
is not compatible with your
motorcycle's electronics. In
this case, charge the battery
directly at the terminals of the
disconnected battery.
Charging disconnected
battery
Charge battery using a suitable
charger.
Comply with operating instruc-
tions of charger.
Once battery is fully charged,
disconnect charger's terminal
clips from battery terminals.
In the case of longer peri-
ods when the motorcycle is
not being used, the battery must
be recharged regularly. See the
instructions for caring for your
battery. Always fully recharge
the battery before returning it to
use.