5 Operating Instructions
5.1 Mode Selection
The Bosch C3 charger offers 4 different charging
modes to choose from as well as a pulse charging
function to recover deeply discharged batteries
(provided the battery is not irreparably damaged)
and a trickle charging mode to keep batteries fully
charged when not used.
After connecting a battery to the Bosch C3 charger,
the unit will automatically exclude modes which
do not apply to the specifications of the battery.
Depending on the voltage of the battery you have
connected to the charger, the C3 charger will let you
choose the following modes:
For 6V batteries the C3 charger will offer you:
Mode 1 | 6 V (7.2 V / 0.8 A)
Suitable for batteries with a capacity of less than
14 Ah in normal condition. Charging mode for WET
batteries and the majority of GEL batteries.
Press the mode selection button (8) to select Mode
1 and the indicator LED (12) will light up. If no other
selections are made, the charging process will start
automatically after a few seconds and the indicator
LED (10) will flash. After successfully charging the
battery, the charge status indicator LED (11) will
light up and the charge indicator LED (10) will turn
off.
After a short delay the unit will switch automatically
to the trickle charging mode and the charge status
indicator LED (11) is illuminated.
June 2010 | C3 | Battery Charger
6V
For 12V batteries the C3 charger will offer you
the following 3 modes to choose from:
Mode 2 | 12 V (14.4 V / 0.8 A )
Suitable for batteries with a capacity of less than
14 Ah in normal condition. Charging mode for WET
batteries and the majority of GEL batteries.
Press the mode selection button (8) to select Mode
2 and the indicator LED (13) as well as the 12V
operation indicator LED (16) will light up. If no other
selections are made, the charging process will start
automatically after a few seconds and the indicator
LED (10) will flash. After successfully charging the
battery, the charge status indicator LED (11) will
light up and the charge indicator LED (10) will turn
off.
After a short delay the unit will switch automatically
to the trickle charging mode and the charge status
indicator LED (11) is illuminated.
Mode 3 | 12 V (14.4 V / 3.5 A)
Suitable for batteries with a capacity of more
than 14 Ah in normal condition. Charging mode
for WET batteries and the majority of GEL batteries.
Press the mode selection button (8) to select Mode
3 and the indicator LED (14) as well as the 12V
operations indicator LED (16) will light up. If no
other selections are made, the charging process
will start automatically after a few seconds and the
indicator LED (10) will flash. After successfully
charging the battery, the charge status indicator
LED (11) will light up and the charge indicator LED
(10) will turn off
After a short delay the unit will switch automatically
to the trickle charging mode and the charge status
indicator LED (11) is illuminated.
9 | English
Automotive Aftermarket