Model: ER2450 Rated Voltage: 3. 6V Load Voltage: higher than 3. 2V (load resistance 680ohm) Rated Capacity: 500mAh Max. Constant Current: 10mA Max. Pulse Current: 20mA Operated Temperature: -40C ~ + 125C Outside Measurement: 49*27*18mm Weight: less than 9g The distinctive features are: laser sealed, longer storage and service life; low self-discharge rate; wide range of operation temperature; high capacity and density. Reliable quality, competitive price and considerate service is our guarantee for customers.