Features: Brand: Samsung SDI Model: 30Q Size: 18650 Chemistry: INR Nominal Capacity: 3000mAh Nominal Voltage: 3.6V Discharge: 20A Max Continuous, Underrated by Samsung SDI as 15A Max Continuous Positive: Flat Protected: No Rechargeable: Yes Dimensions: 18.23mm x 64.78mm Weight: 46.1g