Battery pack type: AAA 1,5V Battery AA 1,5V Battery E 9V Battery Real-size model: AA: 50.0 mm lenght , 14.0 mm diameter AAA: 44.5 mm lenght , 10.5 mm diameter E: 17.5 mm depth, 26.5 mm width, 48.5 mm height. Made in blender, exported to different format (.obj, .fbx, .ply) Rendered with Blender Cycles Texture Included