What is a PX23 battery?

PX23 / S23PX was a mercury photographic cell. Mercury cells are obsolete. Confirm any modern equivalent or adapter with the camera documentation — do not assume PX28/4LR44. See classic PX mercury replacements.

What is PX23 also called?

PX23 pack labels and aliases on this site include S23PX. These are names for the same battery entity — not chemistry substitutes.

Is PX23 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

PX23

mercury (legacy) cell

S23PX is a pack label for PX23 — same battery, different name on the package.

Chemistry: mercury_oxide_legacy
Voltage: —
Diameter: —
Length: —
Used by: 0 devices

Common uses: Vintage cameras

Common questions

What is a PX23 battery?: PX23 / S23PX was a mercury photographic cell. Mercury cells are obsolete. Confirm any modern equivalent or adapter with the camera documentation — do not assume PX28/4LR44. See classic PX mercury replacements.
What is PX23 also called?: PX23 pack labels and aliases on this site include S23PX. These are names for the same battery entity — not chemistry substitutes.
Is PX23 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.

S23PX

Related codes

No related codes listed yet.

Devices using PX23

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 mercury photo cell (trade PX23 / S23PX). Obsolete. Confirm modern equivalent and adapter with the device manual or specialist meter guidance — do not assume PX28/4LR44.