Sanyo ML421 Lithium User manual

0 100 200 300 400 500 600

0.5

1.0

1.5

2.0

2.5

3.0

Charge: 0.05mA 3.0V cut-off

Discharge: 0.05mA X 4h

Temp.: 23

2.6

2.8

3.0

3.2

0.5

1.0

1.5

2.0

2.5

Charging Conditon(discharged cell to 2.0V)

Load:3kohm

Temp.: 23

Charging Duration : 50hours

Discharging condition

Load : 300kohm

Temp.: 23

End Voltage : 2.0V

050 100 150 200 250 300 350 400

1.0

1.5

2.0

2.5

3.0

3.5

Discharge Condition

Load : 300kohm

Temp.: 23

after 40days storage at 60

0 100 200 300 400

1.0

1.5

2.0

2.5

3.0

3.5

Charging voltage: 3.0V

Load: 300K ohm

23-20

Cell Type ML421

Specifications

2.3mAh

0.005mA

Continuous

0.2mA

Pulse

0.6mA

Discharging Depth of 5% 3000

Discharging Depth of 20% 300

Constant Voltage Charge

3.1±0.15V

Hight Temperature

2.95±0.15V

-20

℃～

℃

0.1g

Diameter(D) 4.8mm

Height(H) 2.1mm

Dimensions

Charging Method

Nominal Capacity

Nominal Voltage

Standard Charge/Discharge Current

Weight

Charge/Discharge Cycle Characteristics

Max. Discharge Current

Temperature Range

Typical Characteristics

Discharge Characteristics after Storage of ML421

Cell Voltage(V)

Duration(hour)

Discharge Capacity(mAh)

Charging Voltage(V)

Temperature Characteristics of ML421

Charging Voltage vs. Capacity of ML421

Cell Voltage(V)

Duration(hour)

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.

Voltage at end of discharge (V)

Number of Cycles

Charge/ Discharge Cycle Characteristics of ML421

Table of contents

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