12v 40Ah lifepo4 battery pack

No.

Item

General Parameter

Remark

1

Rated Capacity

40.0Ah

Standard discharge(0.2 C5)after standard charge(0.2 C5)

2

Minimal Rated

Capacity

36.0Ah

3

Nominal Voltage

12.8V

4

Cycle Life

Higher than 60% of the Initial Capacity of the Cells

◆Charge: CC@0.2C to 14.6V, then CV till current to 0.05C

◆Rest: 30min.

◆Discharge: 0.2C to 10.0V

◆Temperature:20±5℃

◆Carry out 2000cycles

5

Discharge cut-off voltage

10.0V

10.0V( recommended)

6

Charging cut-off voltage

14.8V

14.6V (recommended)

7

Standard charge

0.2C constant current(CC) charge to 14.6V,then constant voltage (CV)14.6V charge till charge current decline to ≤0.05C

Charge time : Approx 7h

8

Standard discharge

Constant current 0.2C

Cut-off voltage 10.0V

9

Maximum Charge Current

20A

10

Continuous Discharge Current

40A

Over current 100±5A  9mS

11

Operation Temperature Range

Charge: 5~45℃

60±25%R.H.

12

Discharge: -10~60℃

13

Storage Temperature Range

Less than 1 year : 0~25℃

60±25%R.H.

at the shipment state

Less than 3 months:-5~35℃

14

Weight

Approx: 6.1Kg

15

Max.Dimension

Height:182mmWidth: 130mmLength: 195mm

Length: 195mm