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Battery

NO.

Item

Specifications

1

Nominal capacity

320mAh              0.2C Discharge  (0.2C)

Minimum capacity 

310mAh              0.2C Discharge  (0.2C)

2

Initial Impedance

220mW  

3

Battery Weight                       

Approx6.6g

4

Nominal voltage 

Fully charge voltage(FC)

Fully discharge voltage(FD)

3.7V

4.2V               Defined in this DOC: FC = 4.2V

3.0V               Defined in this DOC: FD = 3.0V

5

Standard charge current 

0.5 C

6

Standard charging method

0.5C CCconstant currentcharge to FC, then CV(constant voltage FC)charge till charge current decline to ≤0.01C

0.5C CC

7

Standard Charging time 

Fast Charging time   

Approx 4 hours 

Approx 3 hours1C Charge Current

8

Max. charge current

015

0.2C

1525

0.5C

2545

1C

9

Max. discharge current

-1015

0.2C

1560

1C

10

Standard Discharge Current

Constant current 0.2 C  end voltage FD

11

Charge cut-off voltage

Ref. 8.1 VDET1

12

Discharge cut-off Voltage

Ref. 8.1 VDET2

13

Storage temperature

-20~60

1 month

Percentage of recoverable capacity no less than 80% of the initial capacities 80%

-20~45

3 month

-20~25

1 year

14

Recoverable capacity

Constant current 0.5C charge to FC, then constant voltage FC charge to current declines to 0.01C, rest for 10minconstant current 0.5C discharge to FDrest for 10min.Repeat above steps 3 times, recording the maximum capacity

15

Storage Humidity

75% RH

16

Appearance

Without distortion and leakage

17

Before shipment voltage

3.80 V

18

Standard testing condition

Temperature               23±2

Humidity                :  75%RH

Atmospheric Pressure    86-106 Kpa

 

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