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| LR44 | PR43 | |
|---|---|---|
| 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 6 credit cards stacked |
| Power | 1.5 volts | 1.45 volts |
| Kind | Button battery | Hearing aid battery |
Lasts longer: PR43 (about 160% longer)
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No. They’re the same size, but hearing aid batteries breathe air through tiny holes to work. Don’t mix them with ordinary button batteries.
No. They’re the same size, but hearing aid batteries breathe air through tiny holes to work. Don’t mix them with ordinary button batteries.
PR43 (about 160% longer).
| LR44 | PR43 | |
|---|---|---|
| Diameter | 11.6 mm | 11.6 mm |
| Height | 5.4 mm | 4.2 mm |
| Nominal voltage | 1.5V | 1.45V |
| Typical capacity | 150 mAh | 390 mAh |
| Chemistry | Alkaline | Zinc-air |
| Shelf life | 5 yrs | 3 yrs |
| Operating temp | -10 to 60 °C | 0 to 50 °C |