6.4V 3Ah Power Tool Rechargeable Batteries For Monitoring Aids

No.

Item

General Parameter

Remark

1

Rated Capacity

Typical

3000mAh

Standard discharge(0.2C₅A) after Standard charge

Minimum

2850mAh

2

Nominal Voltage

6.4V

Mean Operation Voltage

3

Voltage at end of

Discharge

4.0V

Discharge Cut-off Voltage

4

Charging Voltage

7.3V

5

Internal Impedance

≤150mΩ

Internal resistance measured at AC 1KH_Z 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 Voltage7.3V

0.01 C₅A cut-off

7

Standard discharge

Constant current 0.2C₅A

end voltage 4.0V

8

Fast charge

Constant Current 0.5C5A

Constant Voltage7.3V

0.01 C5A cut-off

9

Fast discharge

Constant current 1.0C5A

end voltage4.0V

10

Maximum Continuous Charge Current

1.0 C5A

11

Maximum Continuous Discharge Current

1.5 C5A

12

Operation Temperature Range

Charge: 0~45℃

60±25%R.H.

Bare Cell

Discharge: -10~60℃

13

Storage Temperature Range

Less than 1 year: -20~25℃

60±25%R.H.

at the shipment state

less than 3 months: -20~40℃

Less than 7 day : -20~65℃

14

Cell Dimension

High:65±0.4 mm

Initial  Dimension

Diameter: 25.5±0.5 mm