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| SR44 | 303 | |
|---|---|---|
| Size | About as wide as a shirt button | About as wide as a shirt button Same |
| Thickness | As thick as 7 credit cards stacked | As thick as 7 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. SR44 and 303 are two names for the exact same battery. Use either one.
Yes. SR44 and 303 are two names for the exact same battery. Use either one.
They last about the same.
| SR44 | 303 | |
|---|---|---|
| Diameter | 11.6 mm | 11.6 mm |
| Height | 5.4 mm | 5.4 mm |
| Nominal voltage | 1.55V | 1.55V |
| Typical capacity | 160 mAh | 160 mAh |
| Chemistry | Silver oxide | Silver oxide |
| Shelf life | 5 yrs | 5 yrs |
| Operating temp | -10 to 60 °C | -10 to 60 °C |