Wein Cell MRB-400 1.35V Zinc/Air Mercury Replacement Battery is a replacement battery for the old RM440R/V400PX.
Compatible with the following Pentax Cameras:
- Pentax Spotmatic I
- Pentax Spotmatic II
- Pentax Spotmatic IIA
- Pentax SP500
- Pentax SP1000.
Features
- Replaces RM440R and V400PX for Pentax cameras
- Voltage output more stable than alkaline replacements
- No camera adjustment needed
- Wein Cell batteries are not activated until the pull-tab is removed
- (Remove tab at least 30 minutes prior to use.)
- Environmentally Safe