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4SR44 / PX28S / V28PX 6.2V High-Capacity Silver Oxide Battery for Bronica GS-1 / Canon AE-1 / Minox 35ML - Replaces 4LR44 PX28A A544 PX28 4MR44 V4034PX 4H-C 4NR44 HM-4C

PoundMax

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The 4SR44 / PX28S silver oxide batteries are an ideal replacement for the PX28 mercury battery. It not only has a higher power capacity than an alkaline battery, but it also has a much more stable discharge voltage over the life of the cell.

Advantages of Silver Oxide Battery over Alkaline Battery

  • Higher Power Capacity (1.5X+ Power Density)
  • Stable Voltage Output
  • Superior Leakage Resistance
  • Lower Self-discharge Rate
  • Lower Internal Resistance (Perfect for film cameras that have incandescent lamps and magnetic shutters) 

 

Commonly used on:

Bronica GS-1 / Canon AE-1 / Minox 35ML / (Yashica Electro 35 with PX32 Adapter)