Mercury Battery Replacement Adapter MR-9 (H-D)
MR-9(H-D) Mercury Battery Replacement AdapterBy combining this adapter with an SR43 battery, you can achieve nearly the correct voltage for the exposure meters and electronic shutters of cameras that use discontinued mercury batteries.The MR-9 was a battery commonly used in cameras from the 1960s and 70s.There is assorted minor soiling on the side where the battery is inserted, but it functions without any issues.Returns are not accepted.The following is a summary of the explanation from the Kanto Camera Service website:Converts a silver oxide battery SR43 to the external shape of a mercury battery MR-9,and also converts the 1.55V voltage of the SR43 to approximately 1.35V.This allows you to use your camera with a voltage closer to that of the MR-9 mercury battery.Price is firm (no discounts).