I have by mistake ordered Green 10.8V/12V batteries for my Blue Bosch equipment. Using this cap, which is a remix of https://www.thingiverse.com/thing:1246842, I was able to use the new batteries.
The STL file
Original_Bosch_battery_108_cap.stl from the original project also included here because it is used by the OpenSCAD project file. The remixed file is called
Also published on github: https://github.com/ohitz/3d-models/
Note: For reasons of stability I have printed the caps horizontally (with supports).