Specification. - Input: 100-240V -1.5A, 50/60Hz - Output: 20V-3.25A, 65W - Tip Diameter: Yellow square head Compatible with: - Lenovo Thinkpad X300S, X301S, X230S, S230U, X240, X240S. - Lenovo Thinkpad T440, T440P, T440S, T430, L440, L540, T540P, E431, E531. - Lenovo Yoga 13, Yoga 11S, Yoga 2, Z505 Z580 - Lenovo K2450, K4450, K4350, K4350A, V4400U, Z410, Z505, Z510, Z710, S405, S410, S410P, S500, G490, G400. Compatible part number: - 45N0266, 45N0321, 45N0322, ADP-65FD B, PA-1650-72, PA-1650-37LC, c. What's in the box 1x Adepter 1x Cable