- Wein Zinc/Air Replacement Battery for Pentax RM400R and V400PX
Compatible with select Pentax cameras
Including Spotmatic I, Spotmatic II, Spotmatic IIA, SP500, and SP1000 models.
1.35 volts of power
Provide steady, reliable power to your camera.
Up to 10-year shelf life
This battery is not activated until the pull-tab is removed.
Designed to replace environmentally-unfriendly (banned) mercury batteries.