The 4LR44 alkaline battery is the replacement for the now discontinued PX28 mercury battery which were used in many car key fobs and older 35mm slr cameras. 4LR44 batteries are also known as A5AA, PX28A, K28A, V34PX, 7H34, 4NZ13, V4034PX, L1325, 4G13, 4034PX, PX28AB and 1414A batteries.
The 4LR44 alkaline battery is the replacement for the now discontinued PX28 mercury battery which were used in many car key fobs and older 35mm slr cameras. 4LR44 batteries are also known as A5AA, PX28A, K28A, V34PX, 7H34, 4NZ13, V4034PX, L1325, 4G13, 4034PX, PX28AB and 1414A batteries.