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| 38120 | 38140 | |
|---|---|---|
| Size | Much bigger than an AA | Much bigger than an AA Same |
| Length | Much bigger than an AA | Much bigger than an AA |
| Power | 3.2 volts | 3.2 volts Same |
| Kind | Rechargeable flashlight battery | Rechargeable flashlight battery |
Lasts longer: 38140 (about 20% longer)
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No. They’re the same width and power, but 38120 is thinner. It may wobble a little and runs out about 17% sooner. 38140 is too thick to fit where 38120 goes.
In a pinch. They’re the same width and power, but 38120 is thinner. It may wobble a little and runs out about 17% sooner. 38140 is too thick to fit where 38120 goes.
38140 (about 20% longer).
| 38120 | 38140 | |
|---|---|---|
| Diameter | 38.0 mm | 38.0 mm |
| Height | 120.0 mm | 140.0 mm |
| Nominal voltage | 3.2V | 3.2V |
| Typical capacity | 10000 mAh | 12000 mAh |
| Chemistry | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Shelf life | 3 yrs | 3 yrs |
| Operating temp | -20 to 60 °C | -20 to 60 °C |