Brand name: SAFD Size:18650 Positive Terminal Flat Top Nominal Capacity:3500mAh Continuous Discharge Rating max:10A Nominal Voltage 3.6V Maximum Voltage 4.2V Discharge cut-off Voltage:2.5V Protected: No Rechargeable: Yes Approx. Dimensions:18.30mm x 65.10mm Approx. Weight:45g Country of Origin: China Associated Names: INR18650MJ1