IFR26650 Rechargeable LiFePO4 Battery For Energy Storage

Place of Origin:

Guang dong China

Brand Name:

TAC

Model Number:

12.8V75AH

Rated Capacity:

75Ah

Size:

customized

Voltage:

3.2V

OEM & ODM:

Support

Packing:

PVC Packing

Warranty:

12months

Environmental Compliance:

CE/ROSH/UL/MSDS/UN38.3/BIS

No.

Items

Remark

1

Nominal Capacity

3000mAh

0.2C Standard discharge

0.2C

2

Minimum Capacity

2900mAh

3

Nominal Voltage

3.2V

Mean Operation Voltage

4

Charge Voltage

3.65V±0.03V

By standard charge method

5

Standard charging method

0.2C constant current,3.65V constant voltage charge to 3.65V,continue charging till current decline to ≤0.01C

0.2C constant current3.65VConstant voltage and current≤0.01C

About the time 6h-7h

6

Charge current

0.2C

600mA

Standard charge, charge time about 6h(Ref)

0.5C

1500mA

Rapid Charge, charge time about: 3h(Ref)

7

Standard discharging method

0.2C constant current discharge to2.0V,

0.2C Constant current
discharge 2.0V

8

Cell Internal Impedance

≤40mΩ

Internal resistance measured at AC 1KHZ after 50% charge

No.

Item

General Parameter

Remark

1

Combination method  

4S25P

2

Combination standard

Capacity difference≤2%

Combination after 0.15C discharge to 2.5V

Resistance difference  ≤10mΩ

Voltage difference≤8mV 

3

Rated Capacity

Typical

75Ah

Standard discharge after Standard charge（package)

Minimum

72.5Ah

4

Nominal Voltage

12.8V

Mean Operation Voltage

5

Voltage at end of

Discharge

10V

Discharge Cut-off Voltage

6

Charging Voltage

14.8V

7

Internal Impedance

≤80mΩ

Internal resistance measured at AC 1KHZ after 50% charge

The measure must uses the new batteries that within one week after shipment and cycles less than 5 times

8

Standard charge

Constant Current 15A

Constant Voltage14.6V

0.01CA cut-off

Charge time : Approx 6 h

9

Standard discharge

Constant current：15A

end voltage 10V

10

Maximum Continuous Charge Current

15A