| Battery Model | 1500mAh 18650 Li-ion battery 3.7V |
| Nominal Capacity | 1500mAh (0.2C Standard discharge) |
| Nominal Voltage | 3.7V |
| End of Voltage | 2.75V |
| Full Charge Voltage | 4.25V |
| Shipping Voltage | 3.7-4.2V |
| Internal Impedance | ≤50mΩ(Internal resistance measured at AC 1KHZafter 50% charge) |
| Standard charge | Constant Current0.2C / 400mA, or 0.5C/1000mA 0.01 C5Acut-off |
| Standard discharge | Constant current0.2/ 400mAh, or 0.5C/1000mA end voltage3.0V |
| Charge time | Approx 4.0h |
| Max. Charge Current | 15C |
| Standard charging method | 0.2C constant current,3.6V constant voltage charge to 3.6V,continue charging till current decline to≤0.01C |
| Max. Discharge Current | 1C/3C (Have different spec., pls contact us for more details. |
| Operating Temperature | -20-60°C (Charge at a very low temperature such as blew0℃,will be get a lower capacity and reduce cycle life of the battery) |
Warnings:
Do not submerge the battery in the water.
Do not mix fresh batteries with used batteries.
Do not mix batteries with metal stuff together.
Do not insert batteries with the (+) and (-) reversed.
Do not use Efest batteries with defective E-cig mods.
Do not disassemble, dispose in fire, heat or short circuit.
Do not put the battery in a charger or equipment with wrong terminals connected.
