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| Size 312 | Size 13 | |
|---|---|---|
| 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 7 credit cards stacked |
| Power | 1.45 volts | 1.45 volts Same |
| Kind | Hearing aid battery | Hearing aid battery |
Lasts longer: Size 13 (about 67% longer)
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No. They’re the same width and power, but Size 312 is thinner. It may wobble a little and runs out about 40% sooner. Size 13 is too thick to fit where Size 312 goes.
In a pinch. They’re the same width and power, but Size 312 is thinner. It may wobble a little and runs out about 40% sooner. Size 13 is too thick to fit where Size 312 goes.
Size 13 (about 67% longer).
| Size 312 | Size 13 | |
|---|---|---|
| Diameter | 7.9 mm | 7.9 mm |
| Height | 3.6 mm | 5.4 mm |
| Nominal voltage | 1.45V | 1.45V |
| Typical capacity | 180 mAh | 300 mAh |
| Chemistry | Zinc-air | Zinc-air |
| Shelf life | 3 yrs | 3 yrs |
| Operating temp | 0 to 50 °C | 0 to 50 °C |