3RTs53 battery

I bought a film camera and found an old battery in it:

This is a 3RTs-53 (3РЦ53) non-rechargeable battery: 3.75V, 0.25 Ah.

There are three RTs-53 (РЦ53) cells enclosed in a wrapper. RTs-53 is an analogue of PX625 (a small button shaped mercury battery).

See also related notes:

• Kiev-6S: TTL light meter (2025-07-13)

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