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. 720m A
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 Capacity
Nominal Voltage
Charging Method
Charging Voltage
Dim ensions
Cell Type
Cell Organization
Charging Current
Charging Time
Ambient Temperature
Weight
T
W
H
0
100
200
300
400
500
Number of Cycle
0
200
400
600
800
Di
sc
har
ge Capac
ity
/
m
A
h
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
V
o
ltage /
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
V
o
ltage /
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
V
o
ltag
e /
V
0
200
400
600
800
1000
C
u
rren
t /
m
A
200
400
600
800
C
a
p
a
ci
ty /
m
A
h
Temp.:20
℃
Under evaluation
