Charging Battery Pack - Bosch GAL12V-20 Operating/Safety Instructions Manual

2610050572.qxp_GAL12V-20 1/8/18 12:43 PM Page 5
The lithium ion battery is protected against deep
discharging by the "Electronic Cell Protection
(ECP)". When the battery is empty, the tool is
switched off by means of a protective circuit.
FIG. 1
2
3
Bosch batteries
12V 2.0Ah
12V 3.0Ah
12V 4.0Ah
12V 6.0Ah
Plug charger cord into your standard power outlet,
then insert battery pack 1 into charger 2.
The charger's green indicator light 3 will begin to
"BLINK". This indicates that the battery is receiving
a fast charge. Fast-charging will automatically stop
when the battery pack is fully charged.
When the indicator light stops "BLINKING" (and
becomes a steady green light) fast charging is
complete.
The battery pack may be used even though the
light may still be blinking. The light may require
more time to stop blinking depending on
temperature. When you begin the charging
Electronic Cell Protection (ECP)
1
Approximate charging time
to capacity
80% 100%
50 min 65 min
70 min 95 min
100 min 130 min
145 min 185 min

Charging Battery Pack

The battery is supplied partially charged.
Completely charge the battery before using your
cordless screwdriver for the first time. The lithium
ion battery can be charged at any time, without
reducing its service life. Interrupting the charging
procedure does not damage the battery.
1 Battery
2 Charger
3 Green indicator light
Charger input voltage
Battery Charging current
This charger will only
charge the following
batteries:
Bosch BAT411 – BAT425;
Bosch GBA12V00 – GBA12V99
For most up to date battery compatibility,
please refer to www.boschtools.com
process of the battery pack, a steady green light
could also mean the battery pack is too hot or too
cold.
The purpose of the green light is to indicate that
the battery pack is fast-charging. It does not
indicate the exact point of full charge. The light will
stop blinking in less time if the battery pack was
not completely discharged.
When the battery pack is fully charged, unplug the
charger (unless you're charging another battery
pack) and slip the battery pack back into the tool.
120 V 60 Hz
2.0A
5