BMW F 800 GS Rider's Manual page 141

to disconnect the battery from
the motorcycle's on-board sys-
tems. You can obtain additional
information from your authorised
BMW Motorrad dealer.
The vehicle's starting capabil-
ity is independent of the state
of charge of the second battery,
as the second battery is discon-
nected from the onboard elec-
trical system when the ignition is
switched off.
Charging and float charging of
the motorcycle's main battery
have no effect on the second
battery. It must be dealt with
separately.
Charge battery when
connected
Disconnect devices plugged
into the sockets.
ATTENTION
Charging connected battery
via the battery terminals.
Damage to the on-board elec-
tronics.
Disconnect the battery at
the battery terminals before
charging.
ATTENTION
Unsuitable battery chargers
connected to an on-board
socket.
Damage to charger and to frame
and suspension electronics.
Use suitable BMW chargers.
The suitable charger is
available from your authorised
BMW Motorrad dealer.
ATTENTION
Charging a fully discharged
battery via the on-board
socket or the extra socket.
Damage to the on-board elec-
tronics.
If a battery has discharged to
the extent that it is completely
flat (battery voltage less than
9 V, status-indicator lights and
multifunction display remain off
when the ignition is switched
on) it has to be disconnec-
ted from the on-board cir-
cuits and re-charged with the
charger connected directly to
the battery posts.
Charge via the charging socket,
with the battery connected
to the motorcycle's on-board
electrical system.
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