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| SR521SW | Size 10 | |
|---|---|---|
| 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 5 credit cards stacked |
| Power | 1.55 volts | 1.45 volts |
| Kind | Watch battery | Hearing aid battery |
Lasts longer: Size 10 (about 579% 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 10 (about 579% longer).
| SR521SW | Size 10 | |
|---|---|---|
| Diameter | 5.8 mm | 5.8 mm |
| Height | 2.1 mm | 3.6 mm |
| Nominal voltage | 1.55V | 1.45V |
| Typical capacity | 14 mAh | 95 mAh |
| Chemistry | Silver oxide | Zinc-air |
| Shelf life | 5 yrs | 3 yrs |
| Operating temp | -10 to 60 °C | 0 to 50 °C |