3.7V 2500mAh 18650 Rechargeable Cylindrical Li-ion Battery
Certificate: CE/RoHS/UN38.3/MSDS
- Model：18650
- Normal voltage：3.7V
- Capacity：2500mAh
- Diameter：18mm
- Height：65mm
- Spec： download
Item |
Parameters | Remark | |
Rated Capacity | Typical | 2500mAh | standard discharge(0.2C) after standard charge |
Minimum | 2500mAh | ||
Alternating Internal Resistance | ≤60mΩ | ||
| Nominal Voltage | 3.7V | mean operation voltage | |
Voltage at end of Discharge | 2.75V | 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 | 2000times(100%DOD) 4000 times(80%DOD) 7000 times(50%DOD) | the residual capacity is no less than 80% of rated capacity at 1C rate. | |
Maximum Continuous Discharge Current | 2C | 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 | |
