Sanyo ML421 User's Manual
Contents
1. SANYO Lithium Cell Type ML421 Specifications Nominal Capacity Nominal Voltage Standard Charge Discharge Current 2 3mAh 3V 0 005mA Max Discharge Current Charge Discharge Cycle Characteristics Continuous 0 2mA Pulse Discharging Depth of 5 Discharging Depth of 20 0 6mA 3000 300 Charging Method Constant Voltage Charge Hight Temperature 3 1 0 15V 2 95 0 15V Temperature Range Weight 20 C 60 C 0 1g Dimensions Diameter D 4 8mm Height H 2 1mm 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 C 2 Current value is determined so that 50 of the nominal capacity is obtained with an end voltage of 2 0V at 23 C 3 Current value for obtaining 2 0V cell voltage when 15sec pulse is applied at 50 discharge depth at 23 C Typical Characteristics Charging Voltage vs Capacity of ML421 Temperature Characteristics of ML421 Charging voltage 3 0V Load 300K ohm Charging Conditon discharged cell to 2 0V Load 3kohm Temp 23 C Charging Duration 50hours Discharging condition Load 300kohm em End Voltage 2 0V Cell Voltage V amp Ed E gt m O fo rom fo o D z G amp O 2 a 100 28 3 0 200 Charging Voltage V Duration hour Charge Discharge Cycle Characteristics of ML421 Discharge Condition Load 300kohm Te2. mp 23 Charge 0 05mA 3 0V cut off Discharge 0 05mA X 4h Temp 23 C Cell Voltage V after 40days storage at 60 0C Voltage at end of discharge V 150 200 200 300 400 Duration hour Number of Cycles
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