Samsung

Model: INR21700-40TSize: 21700Style: Flat TopNominal Capacity: 4000mAhContinuous Discharge Rating: 35A w/o temperature cut / 45A with 80°C temperature cutNominal Voltage: 3.6vProtected: NoRechargeable: YesApproximate Dimensions: 21.1mm x 70.4mmApproximate Weight: 66.8gSize: 21700..

INR18650-30Q specs:Capacity (Ah): 3.0 Ah ( 3000mAh)Charging Voltage (V): 4.2 VMaximum continuous discharge: 15 ANominal Voltage (V): 3.6V-3.7VWeight (g): 48 gHeight : 64.85 ± 0.15mmDiameter : 18.33 ± 0.07mmTop (positive side): Flat topModel: INR18650-30QProtected: No (Unprotected)Made by Samsung..