Selectec Power Supply+Cord for Laptop 20-B010 20-B013W 20-B014 DM1-3000 DM1-3010NR DM1-3011NR DM1-3020US DM1-3025DX DM1-3210US DM1-3240CA DM1-3245CA DM1-3248CA DM1-4000EE DV5T DV6-1030US DV7T G4 G7 1 Year Warranty Connector Size: 7.4*5.0mm Input:100-240V~2.0A 50/60HZ Output:19V 4.74A Compatible with:HP Pavilion G4 G6 G6t G7 M6 M7 n17908 dv3-2000 dv3500 dv600 dv4-1200 dv5-1000 dv6-1100 dv7-1100 HP EliteBook 745 820 840 850 G1 G2 2530p 2730p 6930p 8530p 8530w 8730w HP Compaq Presario Cq40 Cq62 HP Compaq Business Notebook 2230s 2510p 2710p 6510b, 6515b, 6530b, 6535b 6820s, 6830s 8510p, 8510w Hp Compaq 2210b 2510p 4510s 4720s HP ProBook 470 G0 ProBook 445 645 655 G0 G1 G2 PA-1900-08H2 384020-001 391173-001 PPP012H-S 608428-002 Please make sure the DC output and tip size of ac adapter are accordant before you order