This Wein MRB625 Cell 1.35v Zinc-Air Battery is compatible with any camera or meter specifying PX625, PX13, PX675, or RM400R mercury batteries. The batteries 1.35 voltage output is more stable than alkaline batteries. It has a shelf life of up to 10 years. Wein batteries are not activated until the pull tab is removed.
Equivalent to PX625, PX13, PX67
Voltage output more stable than alkaline replacements
No adjustment or adapters required
Up to 10 year shelf life; Wein cells are not activated until the pull tab is removed (removing battery and replacing tab prolongs battery life).