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D
Typical Characteristics
Charge Characteristics of ML621
3.5
3.0
Cell Voltage
2.5
2.0
1.5
Charge Capacity
1.0
0.5
0
10
Duration(hour)
Discharge Characteristics after Continuous Charge of ML621
3.5
3.0
2.5
2.0
Initial (3.0V charged)
after 60days continuous charged 3.0V at 60
1.5
1.0
0
50
100
Duration(hour)
Nominal Capacity
Nominal Voltage
Standard Charge/Discharge Current
Max. Discharge Current
Charge/Discharge Cycle Characteristics
Charging Method
Temperature Range
Weight
Dimensions
*1
Nominal capacity is determined to an end voltage of 2.0V when the battery is allowed to
discharge at a standard current level at 23
Current value is determined so that 50% of the nominal capacity is obtained with an end
*2
voltage of 2.0V at 23
Current value for obtaining 2.0V cell voltage when 15sec. pulse is applied at 50%
*3
discharge depth at 23
1kohm
Charge circuit
Temp.:23
o
C
3.0V
ML621
discharged cell to 2.0V
20
30
40
Discharge Condition
Load: 150kohm
o
C
Temp.: 23
o
C
150
200
250
300
350
Cell Type ML621
Specifications
*1
o
C.
o
C.
Temperature Characteristics of ML621
3.5
6.0
5.0
3.0
4.0
2.5
3.0
2.0
2.0
1.5
1.0
1.0
0
0
50
Discharge Characteristics After Storage of ML621
3.5
3.0
2.5
2.0
1.5
1.0
400
0
*2
Continuous
*3
Pulse
Discharging Depth of 5%
Discharging Depth of 20%
Constant Voltage Charge
Hight Temperature
Diameter(D)
Height(H)
o
C.
-20
50
100
150
200
250
Duration(hour)
Initial(3.0V charged)
o
C
after 20days storage at 60
50
100
150
200
250
Duration(hour)
5.5mAh
3V
0.015mA
0.5mA
1.5mA
3000
300
3.1±0.15V
2.95±0.15V
-20℃～60℃
0.22g
6.8mm
2.1mm
Charging Voltage : 3.0V
Load : 150kohm
o
C
60
o
C
23
o
C
300
350
400
Load:150kohm
o
C
Temp.:23
300
350
400
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