batterie basse température 3.7V 12ah

 NO.

Items

Specifications

1

Charge voltage

4.2V

2

Nominal voltage/

3.7V(1S2P)

3

Initial impedance

120mΩ

4

Nominal capacity

12Ah

5

Minimum capacity

11.8Ah

6

Low-temperature capacity

≥8.4Ah

When the battery is standard charged, it shall be put into chamber at ( -40±2 )℃for 8-16hrs,then discharged at 0.2C₅A (2.4A) constant current to2.5V

7

Charge current

Standard Charging::0.2C₅A (2.4A)

Rapid charge:0.5C₅A C(6A) Max

8

Standard Charging method

2.4A(0.2C₅A) CC(constant current)charge to4.2V,then CV(constant voltage 4.2V)charge till charge current decline to ≤120mA(≈0.01C₅A)

9

Charging time

Standard Charging:6.5hours(Ref.)

Rapid charge:    3.5hours(Ref.)

10

Max.discharge current

6A(0.5C₅A)

11

Discharge cut-off voltage

2.5V

12

Shelf life

2years

13

Cycle life (0.2C₅A/0.2C₅A)

500 times,≧80%DOD

14

Operating temperature

Charging:  0℃~45℃

Discharging:-40℃~+60℃

15

Storage temperature

Less than 1 month

-10℃~+45℃

Percentage of recoverable capacity :70%

Less than 6 month

-40℃~+35℃

16

Pack Weight

Approx:132g

17

Pack Dimension

Length:   Max100.00 mm

Width:    Max90.00mm

Thickness1:Max 13.00 mm