Compur
Photo: Oxfordian Kissuth, CC BY-SA 3.0, Wikimedia Commons (cropped, edited)

Batteries for Compur Cameras

Camera Battery Guide
Compur Electronic 0 PX21* Instructions
Compur Electronic 1 S PX21* Instructions
Compur Electronic 3 PX21*
Compur Electronic 5 PX21*
Compur Electronic 5 FS PX21*
Synchro-Compur Electronic PX21* Instructions
* Original no longer made

The original versions of these batteries are no longer made; most of them were mercury cells like the PX625. Batteries sold under similar names today often have a different voltage. The dark button takes you to our replacement: either an adapter for a modern cell or the matching modern battery.