How it connects
The battery pack or alkaline tray slides into the tool compartment bay and latches with a mechanical snap-catch; spring leaf contacts mate with the terminals, sealed with an elastomer perimeter gasket for IP65 water/dust resistance.
Male and female halves
Female battery bay receptacle on the laser tool housing; receives the male battery pack or adapter tray insert.
Usually connects to
- Bosch GBA37V30 3.7V Li-ion battery pack
- Bosch AA alkaline battery adapter
Common sizes
- Dedicated compact cartridge form factor matching Bosch 3.7V 3.0Ah GBA37V30 / AA adapter (approx. 75 x 45 x 30 mm).
Where it is used
measuring and layout toolsconstruction laser levelsline lasers
Variations
- Tool-side receptacle with charging pass-through
- GBA37V30 rechargeable Li-ion pack
- AA alkaline battery adapter tray
How to recognise it
Rectangular cavity on the back/side of Bosch laser levels (such as GLL100-42GL, GLL300-42GL) with terminal pins/springs at the base, alignment guides, and a latch retention mechanism with rubber weather sealing.
Often confused with
| Confused with | How to tell them apart |
|---|---|
| Bosch 12V Max battery interface | Bosch 12V Max packs use a cylindrical 3-cell stem pack configuration rather than a flat, rectangular drop-in cartridge. |
| Standard AA battery tray | The bay accepts either a unified 3.7V Li-ion rechargeable cartridge (GBA37V30) or an adapter cartridge holding AA cells. |
Also called
Bosch 3.7V laser battery compartmentBosch GBA37V30 battery receiver
Good to know
Introduced on Bosch's 3.7V green-beam leveling lasers to give dual-power flexibility between rechargeable Li-ion packs and standard AA cells via an adapter sleeve.
Design with real parts
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