This Wein MRB625 1.35V Zinc-Air Battery is a replacement for PX625, PX13, and MR-9 batteries, and is ideal for cameras, exposure meters, and other electronics.
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).