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Five small silver button cells in a blister pack

Renata

Renata 321 SR616SW Silver Oxide Button Battery 5-Pack

SKU CH-5JW7-ST7G7

Five silver-oxide 1.55 V button cells, 6.8 mm diameter, compatible with SR616SW and 321 devices

  • Reliable 1.55 V output from silver oxide chemistry
  • Compact 6.8 mm diameter fits slim devices
  • Five batteries per pack keep spares ready
  • Replaces SR616SW, 321 and many equivalent codes

Compact 1.55 V power for watches and sensors

These Renata silver-oxide button cells deliver a steady 1.55 volt output in the 321/SR616SW size. The five-piece pack suits owners of analogue watches, medical devices or small electronics that require this specific coin format. Each cell measures 1.65 mm by 6.8 mm and is ready to install.

Swiss-made consistency in a sealed five-pack

The batteries arrive factory-sealed, protecting the silver-oxide chemistry from humidity until use. A flat 6.8 mm diameter ensures reliable contact in tight compartments, while the 1.65 mm height fits standard holders without shimming. Equivalent codes such as 321, SR616SW and V321 simplify cross-referencing when reordering.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $10.99
Typical for this category: the median of 10,440 items is $10.99.

Specifications

No published specifications for this item yet.

Questions about this item

What voltage does the SR616SW silver oxide cell deliver?

Each SR616SW silver oxide button cell supplies a steady 1.55 V, which is the standard operating voltage for this chemistry.

What are the physical dimensions of the 321 battery so I can check fit?

The 321 / SR616SW cell measures 1.65 mm thick by 6.8 mm in diameter, matching the common watch-battery footprint.

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