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| LR44 | Size 675 | |
|---|---|---|
| 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 | 1.5 volts | 1.45 volts |
| Kind | Button battery | Hearing aid battery |
Lasts longer: Size 675 (about 313% 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.
Size 675 (about 313% longer).
| LR44 | Size 675 | |
|---|---|---|
| Diameter | 11.6 mm | 11.6 mm |
| Height | 5.4 mm | 5.4 mm |
| Nominal voltage | 1.5V | 1.45V |
| Typical capacity | 150 mAh | 620 mAh |
| Chemistry | Alkaline | Zinc-air |
| Shelf life | 5 yrs | 3 yrs |
| Operating temp | -10 to 60 °C | 0 to 50 °C |