Power Supply - Bosch GLL50-20 Operating/Safety Instructions Manual

Power Supply

The tool can either be operated with commer-
cially available LR6 (AA) batteries or with the
Bosch rechargeable Lithium-ion battery pack
(optional) outlined in the technical section of
this manual.
Operation with LR6 (AA) batteries
Alkaline batteries (2 x 1.5 V LR6 (AA)) are rec-
ommended for the laser tool.
Press the locking mechanism 11 to open the
battery compartment cover 12 and remove the
battery compartment cover. Insert the batter-
ies. When inserting, pay attention to the correct
polarity according to the representation on the
inside of the battery compartment.
Always replace all batteries at the same time.
Only use batteries from one brand and with
identical capacity.
Remove the batteries from the laser tool when
not using it for extended periods. When storing
for extended periods, the batteries can corrode
and discharge themselves.
Operation with Bosch rechargeable
lithium-ion battery packs (optional)
Follow all warnings and all
instructions in the Bosch re-
chargeable lithium-ion battery pack manual be-
fore using the battery pack. Improper usage
and recharge of battery pack may increase the
risk of fire, personal injury and property dam-
age.
Use only Bosch recharge-
able
packs listed in the technical data section of
this manual. Use of other battery packs may in-
crease the risk of fire, personal injury and prop-
erty damage.
160992A8JG GLL50-20 G 202306.indd 11
Preparation
lithium-ion battery
Remove the batteries from
the tool when not using it for
extended periods. When storing for extended
periods, the batteries can corrode and self-dis-
charge.
Note: The battery pack is supplied partially
charged. To ensure full capacity of the battery
pack, completely charge the battery pack with
the USB power adapter (recommended) listed
in the technical data section of this manual be-
fore using for the first time. See Bosch recharge-
able lithium-ion battery pack manual for details.
Use only Bosch USB-C cable
listed in the technical data
section of this manual. Use of other USB-C ca-
bles may increase the risk of fire, personal injury
and property damage.
The lithium-ion battery pack can be charged at
any time without reducing its service life. Inter-
rupting the charging procedure does not dam-
age the battery pack.
The lithium-ion battery is protected against
deep discharge by the Electronic Cell Protection
(ECP). A protective circuit switches the laser
level off when the battery is drained.
• Following the automatic shut off of the tool,
do not continue to press the On/Off button.
The battery can be damaged.
To insert the charged battery pack 9, slide it
into the battery port until you feel it lock into
position. Do not use force.
To remove the battery pack 9, press the locking
mechanism 10 and pull the battery pack out of
the battery port. Do not use force.
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