LaserLiner CompactPlane-Laser 3G Pro Instructions page 17

The battery may only be charged with the battery charger provided
!
and used only in this laser device. Any other use may cause injury
or fire.
Make sure there are no conductive objects in the vicinity of the
!
battery contacts. Short-circuiting of these contacts can cause burn
injuries or fire.
!
Do not open the rechargeable battery. This could cause short-circuits.
2
Power supply
To insert the lithium-ion
rechargeable battery
Open the battery compartment
and insert the lithium-ion battery
as illustrated.
CompactPlane-Laser 3G Pro
17
EN