BMW F 800 GS Adventure Rider's Manual page 113

Charging connected
battery
Remove devices connected to
onboard power sockets.
Charging the connected
battery directly at the bat-
tery terminals can damage the
motorcycle electronics.
To charge the battery via the
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
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 your 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.
After charging, remove terminal
clamps of the charger from the
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.
Removing battery
Make sure ground is level and
firm and park motorcycle.
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