No

 Item

 Specification

 1

 Nominal Voltage

 DC 310.8V

 2

 Nominal Capacity

 20Ah

 3

 Charging Voltage

 MAX 344V 

 4

 Charging Method

 Constant Current/Constant Voltage 

 5

 Discharge Cut off Voltage 

 252 V

 6

 Nominal Charging Current 

 0.5C(10A) 

 7

 Max Charging Current

 20A

 8

 Standard Discharge Current

 0.2C(4A)

 9

 Max Discharge Current 

 2.0C(40A)

 10

 Cycle Life

 300cycle,80%

 11

 Operating Temperature

 For charging: 0 to +45°C /

 For discharge: -20  to +60°C

 12

 Over Charge Dection Voltage

 4.25V ± 0.025V/Cell

 13

 Over Discharge Dection Voltage

 3.0V ± 0.05V/Cell

 14

 Over Discharge Current Detction

 100A ± 10A

 15

 Weight(g)

 About 45Kg

 16

 Dimension(mm)

 (W)*(L)*(H)