The file 'NVG Battery 3D Printer Model' is (stl) file type, size is 81.8KB.
This is based on the pvs battery, Drill into the top shell with a screw of your choice and thread it, after that add connections won't it works as a battery station to power the nvg or just for spare batteries (DISCLAIMER) Parts may not be fitted to size.
PVS-31_Battery_nvg_battery.stl | 303.1KB |