The file 'Customizable Battery Holder, AA Or AAA 3D Printer Model' is (stl,scad) file type, size is 262.1KB.
Everybody has a battery holder, and this is mine ;-)
In Customizer or OpenSCAD, size = 0 = AA, 1 = AAA
Note: It might take a bit of time to slice. It has a lot of smooth cylinders.