Dell 65W has two versions: big tip and small tip. This adapter has big tip ( 7.4 mm X 5.0 mm)
Output: 19.5 V - 3.34A
Model FA065LS1-01 , (Dell Part Number ) DP/N: 0K9TGR
Compatible with DP/N: 6TM1C , 06TM1C, 0JNKWD, JNKWD, 0NVV12, NVV12, 06TFFF, 6TFFF, 0928G4, 0TJ76K, 0N6M8J, 0RGFH0, 06TM1C, 01XRN1, 09RN2C, 0JV1HP, 0TR82J, 00V0KR, 928G4, TJ76K, N6M8J, RGFH0, 6TM1C, 1XRN1, 9RN2C, JV1HP, 0TR82J, 0V0KR, 0HN662, KC6JM, 98R6C