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