ML2032

Data Sheet Lithium Manganese Dioxide Rechargeable Battery ML2032 Model System Nominal Voltage (V) Nominal Capacity (mAh)* Nominal Discharge Current (A) Charge, Discharge Cycle Lifetime Discharge Depth of 10% Discharge Depth of 20% Operating Temperature Range (deg. C) Weight (g)** Dimensions (mm)** Diameter Height UL Recognition 1/2 ML2032 Li-Al Alloy-Manganese Dioxide/Organic Electrolyte 3 65 200 1,000 (6.5 mAh discharge) (total capacity 6,500 mAh) 300 (13 mAh discharge) (total capacity 3,900 mAh) –20 to +60 3.0 ø20.0 20 3.2 MH12568 3.2 (–) (+) Characteristics  Discharge Characteristics  Temperature Characteristics Temperature: 20 deg. C 3.5 3.0 240k 2.5 2.0 15k 30k 1.5 100k Voltage ( V ) 3.0 Voltage ( V ) Discharge load: 15k 3.5 20 deg. C 2.5 60 deg. C 2.0 –20 deg. C 1.5 0 deg. C 1.0 0 10 20 30 40 50 60 70 1.0 80 0 100 Discharge capacity (mAh)  Relationship between Discharge Current and Duration Time Discharge final voltage: 2V Temperature: 20 deg. C 400 500 Temperature: 20 deg. C 3.5 3.0 103 Voltage (V) Discharge duration time (days) 300  High Rate Discharge Characteristics 104 102 101 100 100 200 Discharge duration time (h) 2.5 2.0 1.5 101 Discharge current (µA) 102 1.0 4mA 3mA 0 10 20 2mA 30 1mA 40 50 Discharge duration time (h) 60 70 80 Data Sheet Lithium Manganese Dioxide Rechargeable Battery ML2032 2/2 Characteristics  Over Charge Characteristics  Storage Characteristics Discharge load: 15k Temperature: 20 deg. C Discharge load: 15k Temperature: 20 deg. C 3.5 3.5 Voltage (V) After charged at 3.3V for 20 days at 60 deg. C 2.5 2 1.5 Voltage (V) 3.0 3 2.5 1.5 Initial 1.0 0 100 200 300 Initial 2.0 400 500 After stored for 60 days at 60 deg. C 0 100 Discharge duration time (h) 200 300 400 500 Discharge duration time (h)  Charge/Discharge Cycle Performance  Self-discharge Characteristics Temperature: 20 deg. C Charging voltage: 3.25V Capacity retention ratio (%) Rechargeable cycle number/cycles 100 104 103 10 2 101 0 20 40 60 Depth of discharge (%) 80 100 90 Storage temperature: 60 deg. C Discharge temperature: 20 deg. C Load: 15K 80 70 60 50 0 50 100 150 200 250 Storage time (days) (when accelerating 20 days at 60 deg. C equivalent to 1 year at 20 deg.C) * Nominal capacity indicates duration until the voltage drops down to 2.0V when discharged at a nominal discharge current at 20 deg. C. ** Dimensions and weight are for the battery itself, but may vary depending on terminal specifications and other factors. Maxell, Ltd. • Data and dimensions are not guaranteed. For further details, please contact us at your nearest Maxell office. • Contents on this website are subject to change without notice. Date of issue: October 2017