• The LR52 / A640 is a mercury-free replacement for the RM640 / MR9 cell that was commonly used in cameras and carriage clocks. Mercury cells are now banned because of toxicity and environmental fears.
  • The LR52 / A640 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.
  • Replacement For the following: PX640A, A640PX, RM640, MR9, EN640A, EPX640A, PC640A, LR52, 1126A, PX640, EPX640, V640PX, H-N, E640N, MR52, NR52, 1126MP

A640 Battery is compatible with the following models:
A640, EN640A, EPX640, KX640, PC640A, 960-0374, PX640A, PX640, 1126MP, NR52, 23-1515, E640N, EPX640A, PX640AB, V640, V640PX, MR52, RPX640, RM640R, E640,

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