Aug. 2004
Cell Type UF-2812
Specifications
Nominal Capacity
Nominal Voltage
720mAh
W
3.7V
Constant Current
-Constant Voltage
4.2V
Charging Method
T
Charging Voltage
Charging Current
Charging Time
Std. 720mA
3.0hrs.
Charge
Discharge
Storage
0 +40
～
℃
℃
℃
Ambient Temperature
-20 +60
～
-20 +50
～
Internal Resistance
Weight
about 130m
about 17g
Ω
H
(T)
(W)
(H)
6.0 0.2
±
Dimensions
35.45±0.2
39.35±0.2
UF553436F
1S1P
Cell Type
Cell Organization
Typical Characteristics
Discharge rate characteristics
Discharge temperature characteristics
Temp.:25
℃
4.5
4.0
3.5
3.0
2.5
2.0
4.5
Charge:CC-CV:0.72A-4.2V(3hrs. cut)
Discharge:CC:Variable Current(E.V.:2.75V)
Charge:CC-CV:0.72A-4.2V(3hrs. cut) at 20
℃
Discharge:CC:0.72A(E.V.:2.75V)
4.0
3.5
3.0
2.5
2.0
60
℃
0.2CA(=0.144A)
25
℃
0.5CA(=0.360A)
1.0CA(=0.720A)
2.0CA(=1.440A)
0
℃
℃
-10
0
100
200
300
400
500
600
700
800
0
100
200
300
400
500
600
700
800
Discharge Capacity / mAh
Discharge Capacity / mAh
Charge characteristics
Cycle characteristics
Temp.:20
Temp.:20
℃
℃
800
600
400
200
0
4.5
4.0
3.5
3.0
2.5
2.0
1000
Charge:CC-CV:0.72A-4.2V(3hrs. cut)
Discharge:CC:0.72A(E.V.:2.75V)
800
600
400
200
0
800
600
400
200
Under evaluation
0
60
120
180
240
0
100
200
300
400
500
Charge Time / min
Number of Cycle
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