WeinCell MRB625 1.35V Mercury-Free Battery

Replaces PX625 and PX13. WeinCell is a revolutionary new zinc/air battery designed to replace environmentally-unfriendly (banned) mercury batteries. The 625 was frequently used as the battery in mechanical SLR camera's that used a " match needle " light meter design. One of a series of batteries commonly referred to as " button " cells, most cameras used one, though some used two, stacked " in-series " . Made of environmentally friendly Zinc.