1x Renata 381 Watch Battery Silver Oxide Coin Cell 1.55V SR1120SW-Battery-TradeNRG UK

1x Renata 381 Watch Battery Silver Oxide Coin Cell 1.55V SR1120SW

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1X Renata Watch Battery Swiss Made Batteries 381 Sr1120Sw V381 280-27 Sb-As/Ds Sr55 Sr1120 Silver Oxide 1.55V Coin Cell, 0% Mercury free with Long Expiry date

Renata 381 SR1120SW Watch Battery, Renata's make over 40 different watch battery types, mostly silver oxide 1.55 Volt, this offers a suitable power source for any electronic device requiring an ultra-compact, long-lasting, low voltage power source. Thanks to its close association with the Swiss watch industry, RENATA has first-hand knowledge of what a high-quality watch battery must stand for.
Renata 381 Cross Reference Guide
  • Chemical system: Zinc / Monovalent Silver Oxide, low drain
  • Nominal Voltage:1,55 V
  • Capacity: 50 mAh, Discharge over 18,2 kW at 20°C to 1,2 V
  • Operating Temperature* : -10°C €“ 60°C
  • Self Discharge: Less than 5% per year at 20°C
  • Weight: ~0.86 g
Dimensions(according IEC 60086-3):-
  • Diameter: 11,6 mm (0,457€œ)
  • Height: 2,05 mm (0,081€œ)
Discharge Curve:-
  • Constant Load: 18.2 kW
  • Starting Drain: 85.7 Î¼A
  • Temperature: 20°C
  • an optimised volume/capacity ratio
  • dimensional precision and stability 
  • high capacity retention on storage (low self-discharge) 
  • excellent reliability thanks to a uniformly high-quality level 
  • state of the art leakproofness thanks to a  sophisticated sealing process 
  • constant availability


  • 1 x Renata 381 SR1120SW Watch Batteries.