About this item SpecificationsInput: 100-240 V/50-60 Hz, 18.5 V 3.33 A, potência: 65 W, compatible con 45 W. Connector Tip 7.4 x 5.0mm Compatible with: Pavilion G4, G6, G7, G32, G42, G50, G56, G60, G61, G62, G70, G71, G72 Series Compatible with: Pavilion DV3, DV4, DV5, DV6, DV7, DV3t, DV4t, DV6t, DV7t Series Compatible with: EliteBook 720, 725, 740, 745, 755, 810, 820, 840, 850 G1, G2; ProBook 430, 440, 450, 455 G1, G2; 640, 645, 650, 655 G1 Please confirm the connector size before purchasing, with a large round mouth and a center pin. Size: 4 x 2 x 1 inches.