Something wrong or missing? Tell us
| 21700 | INR21700 | |
|---|---|---|
| Size | Much bigger than an AA | Much bigger than an AA Same |
| Length | Much bigger than an AA | Much bigger than an AA Same |
| Power | 3.6 volts | 3.6 volts Same |
| Kind | Rechargeable flashlight battery | Rechargeable flashlight battery |
Lasts longer: Same
As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.
Buttons open amazon.com 🇺🇸, picked from your country.
Yes. 21700 and INR21700 are two names for the exact same battery. Use either one.
Yes. 21700 and INR21700 are two names for the exact same battery. Use either one.
They last about the same.
| 21700 | INR21700 | |
|---|---|---|
| Diameter | 21.0 mm | 21.0 mm |
| Height | 70.0 mm | 70.0 mm |
| Nominal voltage | 3.6V | 3.6V |
| Typical capacity | 4500 mAh | 4500 mAh |
| Chemistry | Lithium-ion rechargeable | Lithium-ion rechargeable |
| Shelf life | 3 yrs | 3 yrs |
| Operating temp | -20 to 60 °C | -20 to 60 °C |