Coin Battery type: SR920SW (Zinc / Monovalent Silver Oxide);
Battery price: 7$ [average Amazon price. We may earn a commission on qualifying purchases from our links to Amazon]
Chemical system: Zinc / Monovalent Silver Oxide, low drain
Nominal Voltage: 1,55 V
Capacity: 40 mAh, Discharge over 34,8 kΩ at 20°C to 1,2 V
Internal Resistance: Below 50 Ω at 20°C
Operating Temperature: 0°C – 60°C
Self Discharge: Less than 5% per year at 20°C
Weight: ~0,61 g
WARNING ABOUT SR920SW / Casio Watch Coin Battery:
- Forbid short-circuit, charge between”+” and”-“.
- Forbid over-discharge, fire, damage.
- Finish sealing less more 5 seconds at 200 C~250 C;
- Take out the battery when discharging to
cut-off voltage, and embedding it under the
ground or jump in the deep water.
Will be useful: Watch Repair Kits