Battery Holder for Pentax 645 Film Camera by eccs19 - Thingiverse
Pentax Remote Battery Pack at KEH Camera
Medium format film camera showdown: Contax 645 vs Pentax 645NII - EMULSIVE
2X 2600mAh D LI90 DLI90 D LI90 Digital Camera Battery for PENTAX 645, K 1II, K 1, K 3II, K 3, K 7, K 5, K 5II & K 5IIs DSLR's|Digital Batteries| - AliExpress