Lifepo4 12v 300ah Lithium Ion Battery for Marine

No.

Item

General Parameter

Remark

1

Rated Capacity

300Ah

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

2

Minimal Rated

Capacity

285Ah

3

Nominal Voltage

12.8V

4

Life Exception

Higher than 60% .of the Initial Capacity of the Cells

~Charge:CC*0.2Cto14.6V, then CV till current to 0.05C

~Rest: 30min.

      ~Discharge: 0.2C to 10 V

      ~Temperature:20±5℃

     ~Carry out 1200cycles

5

Discharge cut-off voltage

2.0V/Cell(≥40V)

6

Charging cut-off voltage

3.8V/Cell(≤60.8V)

14.6V (recommended)

7

Cell and assembly method

IFR26650-3.6AH

4S88P

8

Housing material

ABS

9

Standard charge

0.2C constant current(CC) charge to14.6Vthen constant voltage (CV)14.6V charge till charge current decline to ≤0.05C

Charge time : Approx.7h

10

Standard discharge

Constant current 0.2C

Cut-off voltage40V

11

Maximum Charge Current

100A@20℃

12

Maximum Continuous Discharge Current

100A@20℃

200A   5-10S

13

Operation Temperature Range

Charge: 0~45℃

60±25%R.H.

23 ± 5°C(recommended)

Discharge: -20~60℃(cell surface temperature≤80℃)

14

Storage Temperature Range

Less than 1 year : 0~25℃

60±25%R.H.

at the shipment state

Less than 3 months:-5~35℃

15

Weight

Approx. 37.5Kg

16

Internal resistance

≤20mΩ@50%SOC

17

Dimension

Length: 526mm

Width: 268mm

Height: 225mm

18

Terminals            

M8*0.75*12mm