No

Item

General Parameter

Remark

1

Rated Capacity

15Ah

Standard discharge(2A) after standard charge

2

Minimal Rated

Capacity

15Ah

Standard discharge(2A) after standard charge

3

Nominal Voltage

48V

Mean Operation Voltage

4

Cycle Life

Higher than 70% of the Initial Capacities of the Cells

1.Carry out 500cycle

2.Standard discharge(2A) after standard charge

3.Discharge: 2Ah to 39V

4.Rest Time between charge/discharge: 30min.

5.Temperature:20+/-5Degrees Celsius

5

Voltage at end of

Discharge

39V

Discharge Cut-off Voltage

6

Charging Voltage

54.6V

7

Standard charge

2A CC(constant current)charge to 54.6V, then CV(constant voltage 54.6V)charge till charge current decline to ≤0.01C

Charge time : Approx 6h

8

Standard discharge

Constant current 2A

end voltage 39V

9

Maximum Continuous Charge Current

1C(15A)

10

Maximum Continuous Discharge Current

2C(30A)

11

Operation Temperature Range

Charge: 0~45Degrees Celsius

60+/-25%R.H.

Bare Cell

Discharge: -10~60Degrees Celsius

12

Storage Temperature Range

Less than 1 year: -20~25Degrees Celsius

60+/-25%R.H.

at the shipment state

Less than 3 months: -20~40Degrees Celsius

13

Weight

Approx: 6.5Kg

14

Pack Dimension

High: 389mm

Width: 76mm

Long: 110mm