Battery cover with battery adapter for Rollei XF 35

• Replacement for the banned PX625: The XF 35 was designed for 1.35V mercury cells, which are no longer available — zinc-air type 675 cells from drugstores are the best available replacement.
• Secures the smaller 675 cell: The cover centers the battery and creates the necessary contact pressure so it does not slide around in the oversized original compartment.
• Correct metering voltage instead of incorrect exposure: The 675 cells provide around 1.4V, making them closer to the PX625 level than 1.5V alkaline cells.

Compatibility

Rollei XF 35

What's included

“Batteries & Adapter” variant:

• 1x battery compartment cover (adapter design)
• 6x type 675 batteries (zinc-air, 1.4V)

“Batteries, Adapter + Slip-On Lens Cap” variant:

• 1x battery compartment cover (adapter design)
• 6x type 675 batteries (zinc-air, 1.4V)
• 1x slip-on lens cap for Rollei XF 35

Technical details

• Material: engineering plastic
• Color: Black
• Compatible battery: type 675 zinc-air (1.4V)

Description

Anyone looking for a battery replacement for the Rollei XF 35 quickly encounters the voltage problem: The camera was originally designed for 1.35V PX625 mercury cells. These are no longer available. Modern 1.5V alkaline cells provide too much voltage and often result in incorrect exposures. Type 675 zinc-air batteries from drugstores, on the other hand, provide around 1.4V and therefore come closest to the correct exposure metering.

The only problem with these cells is that they are significantly smaller than the original and slide around in the battery compartment. This battery compartment cover was designed specifically for that purpose. It centers the 675 cell and creates the contact pressure the camera needs for a secure connection. Instead of expensive specialty adapters or DIY solutions with aluminum foil: Put the cover on, insert the battery, and start taking pictures.

Frequently asked questions

Does this part replace only the cover, or the adapter as well? Both. The cover is also the adapter: It holds a type 675 zinc-air cell and closes the battery compartment of your Rollei XF 35. So you do not need a second part.

Which batteries fit, and how many are included? Type 675 zinc-air batteries with 1.4V. Six are included, which will last quite a while. Replacements are available as hearing aid batteries at any pharmacy or drugstore.

Why zinc-air instead of a regular button cell? Zinc-air maintains an almost constant voltage throughout its service life, similar to the original mercury cell. Alkaline cells start at a higher voltage and steadily drop, causing the XF 35's light meter to give inaccurate readings.