Something wrong or missing? Tell us
| SR621SW | D364 | |
|---|---|---|
| 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
As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
Buttons open amazon.com 🇺🇸, picked from your country.
Yes. SR621SW and D364 are two names for the exact same battery. Use either one.
Yes. SR621SW and D364 are two names for the exact same battery. Use either one.
They last about the same.
| SR621SW | D364 | |
|---|---|---|
| Diameter | 6.8 mm | 6.8 mm |
| Height | 2.1 mm | 2.1 mm |
| Nominal voltage | 1.55V | 1.55V |
| Typical capacity | 20 mAh | 20 mAh |
| Chemistry | Silver oxide | Silver oxide |
| Shelf life | 5 yrs | 5 yrs |
| Operating temp | -10 to 60 °C | -10 to 60 °C |