Aug. 2004
Min.850mAh
3.7V
Constant Current
-Constant Voltage
4.2V
Std. 850mA
2.5hrs.
Charge
0
～
+40
℃
Discharge
-20
～
+60
℃
Storage
-20
～
+50
℃
17.6g
(T)
5.40mm
(W)
33.85mm
(H)
42.80mm
401Wh/l
178Wh/kg
Dimensions (Max.)
Volumetric Energy Density
Gravimetric Energy Density
Charging Current
Charging Time
Ambient Temperature
Weight (Max.)
Nominal Capacity
Nominal Voltage
Charging Method
Charging Voltage
Cell Type UF553443F
Specifications
T
5.1mm
W
33.7mm
H
42.5mm
w
5.6mm
Dimensions(Typ.)
of
Bare Cell
Typical Characteristics
Discharge rate characteristics
Discharge temperature characteristics
Charge characteristics
Cycle characteristics
*The maximum thickness of the standard shipment charging condition
Discharged State after Assembling
0
100
200
300
400
500
Number of Cycle
0
200
400
600
800
1000
1200
1400
1600
1800
2000
Di
sc
h
a
rg
e C
a
pa
ci
ty
/
m
A
h
Under evaluation
W
W
Ｔ
ｗ
Ｈ
*
When designing a battery pack, get the precise information on a cell battery drawing
0
200
400
600
800
1000
Discharge Capacity / mAh
2.0
2.5
3.0
3.5
4.0
4.5
C
e
ll V
o
ltag
e
/
V
Temp.:20
℃
Charge:CC-CV:0.85A-4.2V(17mA cut or 3hrs. cut)
Discharge:CC:Variable Current(E.V.:2.5V)
0.2CA(=0.17A)
0.5CA(=0.425A)
1.0CA(=0.85A)
2.0CA(=1.70A)
0
200
400
600
800
1000
Discharge Capacity / mAh
2.0
2.5
3.0
3.5
4.0
4.5
Cel
l V
o
ltage /
V
Charge:CC-CV:0.85A-4.2V(17mA or 3hrs. cut)
Discharge:CC:0.85A(E.V.:2.5V)
40
℃
20
℃
0
℃
-10
℃
-20
℃
0
60
120
180
Charge Time / min
2.0
2.5
3.0
3.5
4.0
4.5
C
e
ll V
o
lta
g
e
/
V
0
300
600
900
1200
1500
C
u
rr
e
n
t /
m
A
300
600
900
1200
Ca
pac
ity /
mA
h
Charge:CC-CV:0.85A-4.2V(17mA or 3hrs. cut)
Cell Voltage
Capacity
40
℃
20
℃
0
℃
Current
