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Panasonic Li-Ion 2250mAh 3.6V CGR18650CG Data Sheet

Product codes
CGR18650CG
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Lithium ion                               
DECEmBER 2008
Lithium ion BAttERiES: inDiViDuAL DAtA ShEEt  
CGR18650CG
CGR18650CG: Cylindrical model 
Specifications
Discharge Characteristics
Diameter
Height
Weight
Dimensions
*2
Nominal Voltage
Standard Capacity
*1
3.6 V
2250mAh
18.6 + 0/-0.7mm
65.2 + 0/-1.0mm
Approx. 45g
*1  After a fresh battery has been charged at constant 
voltage/constant current (4.2 V, 1500mA (max), 2 
hours, 20°C), the average of the capacity (ending 
voltage of 3 V at 20°C) that is discharged at a standard 
current (430mA).
*2  Dimensions of a fresh battery
18.6
65.2
(With Tube)
External Dimensions (mm)  *2
(+)
(-)
+ 0
- 0.7
+ 0 - 1.0
Charge Characteristics
Cycle Life Characteristics
5.0
4.5
4.0
3.5
3.0
2.5
2800
2400
2000
1600
1200
800
400
0
Voltage (V)
0.0
0.5
1.0
1.5
2.0
2.5
Time (hour)
Charge Condition:  CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20°C
Voltage
Capacity
Current
0         200      400       600      800     1000   1200    1400    1600     1800     2000    2200     2400    2600
5.0
4.5
4.0
3.5
3.0
2.5
Charge Condition:      CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20ºC
Disharge Condition:   Constant Corrent, 3.0V cut-off at 20ºC
Voltage (V)
Discharge Capacity (mAH)
0.2It (430mA)
2.0It (4300mA)
1.0It (2150mA)
Charge Condition:  CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20ºC
Discharge Condition:  1It (2150mA), 3.0V cut-off
45ºC
-10ºC
20ºC
0ºC
10ºC
Voltage (V)
5.0
4.5
4.0
3.5
3.0
2.5
Discharge Capacity (mAH)
0         200      400       600      800     1000   1200    1400    1600     1800     2000    2200     2400    2600
This information is generally descriptive and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries.
Cell and battery designs/specifications are subject to modification without notice. Contact Panasonic for the latest information
2800
2400
2000
1600
1200
800
400
0
Capacity (mAh)
0
100
200
300
400
500
Cycle Number
   
Charge Condition:  CVCC 4.2V Max. 0.7It (1500mA), 110mA cut-off at 20°C. 
 
Discharge Condition:  Constant Current 1.0It (2150mA), 3.0V cut-off at 20°C.
Charge/Discharge Rest Time:  20 min.
To ensure safety, the referenced Li-ion cell is not sold as a 
bare cell. Li-ion cells must be integrated with the 
appropriate safety circuitry via an authorized Panasonic 
Li-ion pack assembler.