Customized 14.4v 4.4Ah Li-Polymer Battery battery pack for Electric Bicycle

Item

Rating

Note

Cell

Type

Li-Polymer Battery

Cell Model

18650-4400mAh

Nominal Capacity

4400mAh

Discharge : 0.2C

Cut-off Voltage: 2.75V

Minimum Capacity

4400mAh

Discharge : 0.2C

Cut-off Voltage: 2.75V

Nominal voltage

3.7V

Internal Impedance

≤60mΩ

Dimension

Max. 18.5*65*37.1mm

Weight

Approx.90g

Batterypack

Pack Method

4S1P

Nominal Capacity

4.4Ah

Discharge : 0.2C

Cut-off Voltage:11V

Minimum Capacity

4.4Ah

Discharge : 0.2C

Cut-off Voltage: 11V

Nominal Voltage

14.4V

Charge Voltage

16.8V

Discharge cut-off voltage

10V

Charge Method

CC/CV

Standard Charge Current

0.88A

0.2C

Max. Charge Current

5A

Standard Discharge Current

0.88A

0.2C

Max. Continues Discharge current

5A

Cycle Life

300 times

80%

Internal Impedance

100mΩ

Dimension

L153* W66.2* T50mm

±3mm

Output Wire

Output Connector

/

/

Weight

Approx.0.4kg

Working Temperature Range

Charge: -20°C--50°C

Discharge: -20°C--50°C

Storage Temperature

-10°C--45°C

Pack Method

10S6P

13S3P

2S1P

3S1P

Nominal capacity

20.4Ah

10.2Ah

3000mAh

2.6Ah

Nominal voltage

37V

48.1V

7.4V

11.1V

Charging voltage

42V±0.05V

54..6V

8.4V±0.05V

12.6±0.05V

Charging current

10A(0.5C)

2.04Ah

0.6A(0.2C)

1.3A(0.5C)

Max. Charge Current

20A(1C)

40A

1.5A(0.5C)

2.6A(1C)

Charge Method

CC/CV

CC/CV

CC/CV

CC/CV

Discharge cutoff  voltage

31.2V

32.5V

2.4V

7.2V

Cycle Life

≥500

≥500

≥500

≥500

Warranty

12

12

12

12