1100A Clock Alkaline Battery

The LR50 or PX1A is a mercury-free replacement for the MR50 (or PX1) cell that was commonly used in cameras and carriage clocks. Mercury cells are now banned because of toxicity and environmental fears. The LR50 or PC1A cells produce 1.5 Volts, which is higher than the 1.35V produced by the original mercury cell. Most devices accommodate the small increase in voltage and function properly.

Cross Reference Guide:

  • PC1A
  • LR50
  • V1ALK
  • SR8508
  • SR850


Replacement For the following:

  • Eveready E1N
  • Mallory RM-1N
  • PX1
  • MR50
  • RPX1
  • EPX1
  • RM1
  • RMIN
  • VPX1
  • V1ALK
  • BMR50
  • Leclanche MR85
  • MR8504
  • EN1A
  • PC1A
  • Mallory MR50
  • NEDA 1100M
  • 1109M
  • 1110MP Panasonic H-P
  • Rayovac RPX1



Recommended Applications: Grandfather Clock, Wall Clock

Diameter (mm): 15.4

Height (mm): 16.5

Volts (V): 1.5

Capacity (mAh): 600

1100A Battery is compatible with the following models:
A1PX, 1100A, 1A, EN1A, PC1A, LR50, V1PX,

This battery is used in the following devices:
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