6.4V 6.6Ah Lithium Iron Phosphate / LiFePO4 Battery Pack for Solar Light

No.

Item

General Parameter

Remark

1

Rated Capacity

6.6Ah

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

2

Minimal Rated

Capacity

6.2Ah

3

Nominal Voltage

6.4V

4

Cycle Life

Higher than 60% of the Initial Capacity of the Cells

◆Charge: CC@0.5C to 7.3V, then CV till current to 0.05C

◆Rest: 30min.

◆Discharge: 0.5C to 10.0V

◆Temperature:20±5℃

◆Carry out 1000 cycles

5

Discharge cut-off voltage

≥4.6V

5.0V(recommended)

6

Charging cut-off voltage

15.6V

14.6V(recommended)

7

Cell and assembly method

IFR26650-3.3AH

2S2P

8

Standard discharge

Constant current 0.2C

Cut-off voltage 7.3V

9

Maximum Charge Current

3A

10

Maximum Discharge Current

6A

Over current 20±2A  9mS

11

Operation Temperature Range

Charge: 0~45℃

60±25%R.H.

Discharge: -10~50℃

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: 180g±10.0g

15

Pack Dimension

High:106±0.5mm

Width: 29.5±1mm

Length: 68±1mm