What is a PX675 battery?

PX675 / V76PX was a 1.35-volt mercury cell. Mercury stock is obsolete. Wein MRB675 zinc-air is a common modern path. This is not PX625’s chamber and not ZA675 hearing-aid zinc-air without checking the device. See classic PX mercury replacements.

What is PX675 also called?

PX675 pack labels and aliases on this site include V76PX, MRB675, Wein MRB675, S625PX. These are names for the same battery entity — not chemistry substitutes.

Is PX675 interchangeable with similar codes?

Related codes are not automatic equivalents. See Classic PX mercury cells and modern paths — match the code your device names.

Battery

PX675

1.35V mercury (legacy) button cell

V76PX is a pack label for PX675 — same battery, different name on the package.

Chemistry: mercury_oxide_legacy
Voltage: 1.35 V
Diameter: 11.6 mm
Thickness: 5.4 mm
Used by: 0 devices

Common uses: Vintage cameras · Hearing-aid-era mercury cells (obsolete)

Common questions

What is a PX675 battery?: PX675 / V76PX was a 1.35-volt mercury cell. Mercury stock is obsolete. Wein MRB675 zinc-air is a common modern path. This is not PX625’s chamber and not ZA675 hearing-aid zinc-air without checking the device. See classic PX mercury replacements.
What is PX675 also called?: PX675 pack labels and aliases on this site include V76PX, MRB675, Wein MRB675, S625PX. These are names for the same battery entity — not chemistry substitutes.
Is PX675 interchangeable with similar codes?: Related codes are not automatic equivalents. See Classic PX mercury cells and modern paths — match the code your device names.

Other names

Genuine aliases and pack labels for this battery — not substitutes of a different chemistry.

V76PX · MRB675 · Wein MRB675 · S625PX

Related codes

Same size, different battery

PX675SR44

Same size, different type

Specialist silver paths may use SR44-class with caveats — not automatic

Commonly confused with

PX675ZA675

Not a substitute

PX675 legacy mercury/meter path ≠ ZA675 hearing zinc-air

Size family

Edge thickness in the 11.6 mm family — thicker bar means thicker cell. Not to scale. Highlighted cell is this page.

1.65 mm

2.1 mm

2.1 mm

3.1 mm

3.1 mm

3.6 mm

4.2 mm

4.2 mm

5.4 mm

5.4 mm

5.4 mm

5.4 mm

Devices using PX675

No devices listed for this battery yet.

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Classic PX mercury cells and modern pathsCompare

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Testers & chargers

Optional tools that fit this cell type — only where the chemistry allows. Separate from the battery answer.

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Battery tester
Quick good / low / dead check for household cells
Crude check only — does not measure capacity under realistic load.
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Battery storage / organiser
Keep spare cells sorted and prevent coin-cell shorts
Keep coin cells away from children.
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Notes

Legacy 1.35V mercury cell (also V76PX). Obsolete. Modern paths are often Wein MRB675 zinc-air or silver-oxide SR44-class where an adapter/OEM path allows. Not PX625 (different size) and not ZA675 zinc-air hearing cells without checking the device.