3.2V 14500 AA LiFePO4 Rechargeable Battery

No.

Item

General Parameter

Remark

1

Rated Capacity

Typical

500mAh

Standard discharge(0.2C5A) after Standard charge

Minimum

480mAh

2

Nominal Voltage

3.2V

Mean Operation Voltage

3

Voltage at end of

Discharge

2.0V

Discharge Cut-off Voltage

4

Charging Voltage

3.65V

5

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

6

Standard charge

Constant Current 0.2C5A

Constant Voltage 3.65V

0.01 C5A cut-off

7

Standard discharge

Constant current 0.2C5A

end voltage2.0V

No.

Item

Criteria

Test Conditions

1

Cycle Life

Higher than 70% of the Initial Capacities of the Cells

Carry out 2000 cycle 

Charging/Discharging in the below condition.

1.Charge: Standard Charge, per 3.3.1

2.Discharge: 0.2 C5A to 2.0V

3.Rest Time between charge/discharge:30min.

4.Temperature:20±5°C

2

Leakage-Proof

No leakage

(visual inspection)

After full charge with standard charge, store at 60±3°C, 60±1