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| SR521SW | V379 | |
|---|---|---|
| Size | About as wide as a pencil eraser | About as wide as a pencil eraser Same |
| Thickness | As thick as 3 credit cards stacked | As thick as 3 credit cards stacked Same |
| Power | 1.55 volts | 1.55 volts Same |
| Kind | Watch battery | Watch battery |
Lasts longer: Same
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Yes. SR521SW and V379 are two names for the exact same battery. Use either one.
Yes. SR521SW and V379 are two names for the exact same battery. Use either one.
They last about the same.
| SR521SW | V379 | |
|---|---|---|
| Diameter | 5.8 mm | 5.8 mm |
| Height | 2.1 mm | 2.1 mm |
| Nominal voltage | 1.55V | 1.55V |
| Typical capacity | 14 mAh | 14 mAh |
| Chemistry | Silver oxide | Silver oxide |
| Shelf life | 5 yrs | 5 yrs |
| Operating temp | -10 to 60 °C | -10 to 60 °C |