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3.6V 2200mAh Lithium Battery

3.6V 2200mAh Lithium Battery

3.6V 2200mAh Specification of 3.6V 2200mAh Use (discharge) precautions For batteries, normal use is the process of discharging. Need to pay attention to the discharge of lithium battery: First, the discharge current should not be too large. Excessive current causes heat inside the battery, which...
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3.6V 2200mAh
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 Specification of 3.6V 2200mAh

No.

Item

Standard

Note

1

Standard Capacity

2200mAh

0.5C,( current value of 2200mA at 1C)

2

Capacity Range

2150~2250mAh

0.5C

3

Standard Voltage

3.6 V


4

Alternating Internal Resistance

≤30mΩ


5

Charge Conditions

Cut-off Voltage

4.2±0.05V

constant-current charge to 4.2V at 0.5C,constant voltage charge to stop until 0.01C mA

Cut-off Current

0.01C

6

Max. Charging Current

2.2A


7

Discharge Cut-off Voltage

2.75V

 

8

Standard Discharge Current

1.1A


9

Fast Discharge Current

2.2A


10

Max. Continuous Discharge Current

6.6A


11

Pulse Discharge Current

10A,5s


12

Cycle Characteristic

1000times(100%DOD)

he residual capacity is no less than 70% of rated capacity at 0.5C Charge,1C Discharge rate.

1500 times(80%DOD)

3000 times(50%DOD)

13

Working Temperature

Charge:0°C~55°C Discharge:-20°C~60°C


14

Storage Temperature

-20°C ~ 45°C

Short-term storage (< 3 months)

15

Battery Weight

45g (Approx.)



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Use (discharge) precautions
For batteries, normal use is the process of discharging. Need to pay attention to the discharge of lithium battery:
First, the discharge current should not be too large. Excessive current causes heat inside the battery, which may cause permanent damage. On the mobile phone, this is no problem, you can not consider it.
As can be seen from the image on the right, the larger the battery discharge current, the smaller the discharge capacity and the faster the voltage drop.
Second, you must never over discharge! Lithium battery internal storage of electrical energy is achieved by a reversible chemical change of electrochemistry. Excessive discharge will cause irreversible reaction of this chemical change, so lithium battery is most afraid of overdischarge, once the discharge voltage is lower than 2.7V, May cause the battery to be scrapped. Fortunately, the inside of the mobile phone battery has been installed with a protection circuit, the voltage is not low enough to damage the battery, the protection circuit will work, stop discharging. 


Advantages of carbon coated aluminum foil in lithium ion battery applications
1. Suppress battery polarization, reduce thermal effects, and improve rate performance;
2, reduce the internal resistance of the battery, and significantly reduce the dynamic internal resistance increase of the cycle;
3. Improve consistency and increase battery cycle life;
4. Improve the adhesion between the active material and the current collector, and reduce the manufacturing cost of the pole piece;
5. The protective current collector is not corroded by the electrolyte;
6. Improve the processing properties of lithium iron phosphate and lithium titanate materials.

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