Sanyo ML1220 Specifications

D
d
Typical Characteristics
Charge Characteristics of ML1220
3.5
3.0
2.5
2.0
1.5
1.0
0 20
Duration(hour)
Temperature Characteristics of ML1220
3.5
3.0
2.5
2.0
1.5
1.0
0 50 100
Duration(hour)
Discharge Characteristics after Continuous Charge of ML1220
3.5
3.0
2.5
2.0
Initial(3.25V charged)
after 200days continuous charged 3.25V at 60
1.5
1.0
0 5
Duration(day)
Cell Type ML1220
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
*3 Current value for obtaining 2.0V cell voltage when 15sec. pulse is applied at 50%
discharge depth at 23
Cell Voltage
20
Charge Capacity
10
Charge circuit 300ohm Temp.: 23 o C
3.1V
ML1220
discharged cell to 2.0V
0
40 60
Charge voltage : 3.1V
Load : 27kohm
o
60 C
o
o
-20 C 23 C
150 200 250 300
Discharge Condition
Load:56kohm
Temp.:23 o C
o C
10 15 20

Specifications

*1
Continuous
Pulse
Discharging Depth of 5%
Discharging Depth of 20%
Constant Voltage Charge
Hight Temperature
Diameter(D)
Height(H)
d
o C.
o
C.
o
C.
Charging Voltage vs. Capacity of ML1220
20
Charge Condition(discharged cell to 2.0V)
Load:200hom
Temp. : 23 o C
Charge Duration : 1month
Discharge Condition
Load : 56kohm
Temp : 23
o C
End Voltage : 2.0V
15
10
5
2.6
Charge/ Discharge Cycle Characteristics of ML1220
10000
5000
1000
500
100
50
10
0
*2
*3
2.95±0.15V
-20℃～60℃
2.8 3.0
3.2
Charging Voltage(V)
Charge : 3.1V + 300ohm
Discharge : 0.5mA
Temp. : 23 o C
50
Discharge Depth(%)
15mAh
3V
0.1mA
2mA
5mA
3000
500
3.1±0.15V
0.8g
12.5mm
2.0mm
9.6mm
100