W990124 Wein Cell PX400 Button Battery, 1.35 volt Zinc-Air. Wein Cell PX400 Battery 1.35v, Description Exact-voltage replacements for the now unavailable mercury cells used in hundreds of cameras and meters. Environmentally "green," 1.35V, zinc-air WeinCells are available to replace PX625/PX13, PX675 an
