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| Size 312 | PR41 | |
|---|---|---|
| Size | About as wide as a pea | About as wide as a pea Same |
| Thickness | As thick as 5 credit cards stacked | As thick as 5 credit cards stacked Same |
| Power | 1.45 volts | 1.45 volts Same |
| Kind | Hearing aid battery | Hearing aid battery |
Lasts longer: Same
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Yes. Size 312 and PR41 are two names for the exact same battery. Use either one.
Yes. Size 312 and PR41 are two names for the exact same battery. Use either one.
They last about the same.
| Size 312 | PR41 | |
|---|---|---|
| Diameter | 7.9 mm | 7.9 mm |
| Height | 3.6 mm | 3.6 mm |
| Nominal voltage | 1.45V | 1.45V |
| Typical capacity | 180 mAh | 180 mAh |
| Chemistry | Zinc-air | Zinc-air |
| Shelf life | 3 yrs | 3 yrs |
| Operating temp | 0 to 50 °C | 0 to 50 °C |