7.4V 7.8Ah rechargeable high power battery pack

 NO.

Items

Specifications

1

 Charge voltage

  8.4V

2

 Nominal voltage

 7.4V  (2S3P)

3

 Initial impedance

 160mΩ

4

 Nominal capacity

 7.8Ah

5

 Minimum capacity

 7.5Ah

6

 stabilizedvolt output

 12V-13V

7

 Charge current

 Standard Charging::0.2C₅A(1.56A)

 Rapid charge:1.0C₅A C(7.8A) Max

8

 Standard Charging method

1.56A(0.2C₅A) CC(constant current)charge to 8.4V,then CV(constant voltage 8.4V)charge till charge current decline to ≤78mA(≈0.01C₅A)

9

 Charging time

Standard Charging:6.5hours(Ref.)

Rapid charge:    2.5hours(Ref.)

10

 Max.discharge current

7.8A(1.0C₅A)

11

 Discharge cut-off voltage

5.5V

12

 Shelf life

2 years

13

 Cycle life (0.2C₅A/0.2C₅A)

500 times,≧80%DOD

14

Operating temperature

Charging:  0℃~45℃

Discharging:-20℃~+60℃

15

 Storage temperature

Less than 1 month

-10℃~+45℃

Percentage of recoverable capacity :85%

Less than 6 month

-20℃~+35℃

16

Pack Weight

Approx:330g

17

 Pack Dimension

 Length:   Max135.00 mm

 Width:    Max40.00mm

Thickness: Max40.00 mm