Sanyo ML1220 User manual

0 5 10 15 20

1.0

1.5

2.0

2.5

3.0

3.5

Initial(3.25V charged)

after 200days continuous charged 3.25V at 60

Discharge Condition

Load:56kohm

Temp.:23

2.6

2.8

3.0

3.2

Charge Condition(discharged cell to 2.0V)

Load:200hom

Temp. : 23

Charge Duration : 1month

Discharge Condition

Load : 56kohm

Temp : 23

End Voltage : 2.0V

0 20 40 60

1.0

1.5

2.0

2.5

3.0

3.5

Cell Voltage

Charge Capacity

0 50 100

100

500

1000

5000

10000

Charge : 3.1V + 300ohm

Discharge : 0.5mA

Temp. : 23

Cell Type ML1220

Specifications

15mAh

0.1mA

Continuous

2mA

Pulse

5mA

Discharging Depth of 5% 3000

Discharging Depth of 20% 500

Constant Voltage Charge

3.1±0.15V

Hight Temperature

2.95±0.15V

-20

℃～

℃

0.8g

Diameter(D) 12.5mm

Height(H) 2.0m m

d9.6mm

Dimensions

Charging Method

Nominal Capacity

Nominal Voltage

Standard Charge/Discharge Current

Weight

Charge/Discharge Cycle Characteristics

Max. Discharge Current

Temperature Range

Typical Characteristics

Temperature Characteristics of ML1220

Discharge Capacity(mAh)

Charging Voltage(V)

Cell Voltage(V)

Duration(hour)

Charging Voltage vs. Capacity of ML1220

Charge Characteristics of ML1220

Cell Voltage(V)

Duration(hour)

Number of Cycles

Discharge Depth(%)

Charge/ Discharge Cycle Characteristics of ML1220

Cell Voltage(V)

Duration(day)

Discharge Characteristics after Continuous Charge of ML1220

Nominal capacity is determined to an end voltage of 2.0V when the battery is allowed to

discharge at a standard current level at 23oC.

Current value is determined so that 50% of the nominal capacity is obtained with an end

voltage of 2.0V at 23 oC.

Current value for obtaining 2.0V cell voltage when 15sec. pulse is applied at 50%

discharge depth at 23 oC.

Charge Capacity(mAh)

3.1V

ML1220

300ohm

Charge circuit

discharged cell to 2.0V

Temp.: 23oC

0 50 100 150 200 250 300

1.0

1.5

2.0

2.5

3.0

3.5

-20 oC23 oC

60 oC

Charge voltage : 3.1V

Load : 27kohm

Table of contents

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