This adapter was not widely available and is designed to avoid battery interference.
2Pcs MR-9 Battery Adapter for MR9 PX625 PX13 LR44 1.4V Zinc Air Battery Adapter
Yashica Electro 35 BATTERY ADAPTER for GL / GSN / GTN/GT/GS/G/AX/MG1 Inc BATTERY
1/2Pcs Battery Adapter for Vintage Film Camera PX640 Camera Battery Converter
BATTERY ADAPTER For KIEV 60/6S TTL ~ Uses 3 x LR44 (AG13) Batteries
1/2Pcs PX640 HM-N Camera Battery Adapter for Vintage Film Cameras Copper Made
