| Item |
Parameters
|
Remark | |
| Rated Capacity | Typical | 4000mAh | standard discharge(0.2C)
Cut-off voltage:2.75V |
| Minimum | 3900mAh | ||
| Alternating
Internal Resistance |
≤20mΩ | ||
| Nominal Voltage | 3.7V | mean operation voltage | |
| Voltage at end of Discharge | 2.5V | discharge cut-off voltage | |
| Charging at end of Voltage | 4.20V | ||
| Standard Charge | Constant Current 0.2C Constant
Voltage 4.20V 0.02C cut-off |
charge time:Approx 6.0h | |
| Standard Discharge | Constant Current 0.2C end Voltage 3.0V | ||
| Fast Charge | Constant Current 1C Constant
Voltage 4.20V 0.02C5A cut-off |
charge time:Approx 2.5h | |
| Fast Discharge | Constant Current 1C end Voltage 3.0V | ||
| Cycle Characteristic | 500times(100%DOD)
600 times(80%DOD) 1000 times(50%DOD) |
the residual capacity is no less
than 80% of rated capacity at 1C rate. |
|
| Maximum Continuous
Discharge Current |
3C | pulse discharge current: 5 C | |
| Operation Temperature Range | Charge:0~55℃
Discharge:-20~60℃ |
60±25%R.H. bare battery | |
| Storage Temperature Range | Less than 1 year:-20~25℃
Less than 3 months:-20~45℃ |
60±25%R.H. at the shipment | |
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.
