BMW K 1300 S Rider's Manual page 109

Keep the surface of the battery
clean and dry
Do not open the battery
Do not top up with water
Be sure to read and comply
with the instructions for charg-
ing the battery on the following
pages
Do not turn the battery upside
down.
If the battery is not discon-
nected, the onboard elec-
tronics (clock etc.) will drain the
battery. This can cause the bat-
tery to run flat. If this happens,
warranty claims will not be ac-
cepted.
During driving breaks of more
than 4 weeks, a trickle-charger
should be connected to the
battery.
BMW Motorrad has devel-
oped a trickle-charger spe-
cially designed for compatibility
with the electronics of your mo-
torcycle. Using this charger, you
can keep the battery charged
during long periods when the
motorcycle is not being used
without having to disconnect the
battery from the motorcycle's
onboard systems. Additional in-
formation is available at your au-
thorized BMW Motorrad retailer.
Charging connected
battery
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.
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