18650 Lithium Battery
Datasheet
Model
2000mah
2000mah / 3C
2000mah / 5C
Nominal capacity
2000mah
2000mah
2000mah
Nominal voltage
3.7V
3.7V
3.7V
Max charge voltage
4.2V
4.2V
4.2V
Discharge cut-off voltage
2.75V
2.75V
2.75V
Standard charge current
1A ( 0.5C )
1A ( 0.5C )
1A ( 0.5C )
Max charge current
2A ( 1C )
2A ( 1C )
2A ( 1C )
Discharge current (continuous)
2A ( 1C )
6A ( 3C )
10A ( 5C )
Max discharge current
4A ( 2C )
10A ( 5C )
12A ( 6C )
Internal resistance
≤ 48 mΩ
≤ 30 mΩ
≤ 19 mΩ
Cycle life
≥ 350
≥ 400
≥ 400
Diameter
≤ 18.45mm
≤ 18.45mm
≤ 18.45mm
Height
≤ 65.30mm
≤ 65.30mm
≤ 65.30mm
Weight
44.8g
45.0g
45.2g
Model
2200mah
2500mah
2500mah / 3C
Nominal capacity
2200mah
2500mah
2500mah
Nominal voltage
3.7V
3.7V
3.7V
Max charge voltage
4.2V
4.2V
4.2V
Discharge cut-off voltage
2.75V
2.75V
2.75V
Standard charge current
1.1A ( 0.5C )
1.25A ( 0.5C )
1.25A ( 0.5C )
Max charge current
2.2A ( 1C )
2.5A ( 1C )
2.5A ( 1C )
Discharge current (continuous)
2.2A ( 1C )
2.5A ( 1C )
7.5A ( 3C )
Max discharge current
4.4A ( 2C )
5A ( 2C )
12.5A ( 5C )
Internal resistance
≤ 48 mΩ
≤ 48 mΩ
≤ 19 mΩ
Cycle life
≥ 400
≥ 500
≥ 350
Diameter
≤ 18.45mm
≤ 18.45mm
≤ 18.45mm
Height
≤ 65.30mm
≤ 65.30mm
≤ 65.30mm
Weight
45.5g
45.0g
45.5g
Test Data
The battery is tested monthly.
The following is one part of the test result data for 2200mah, 300 cycle time
The life cycle data including:
Constant current charging_mAh，Constant current charging time_Sec， Constant voltage charging_mAh，
Constant voltage charging time_Sec， Total charge_mAh， Total discharge_mAh， Total discharge time_Sec，
Charge and discharge efficiency， Capacity decay rate
The original data will be sent on request.