About this item Technical Details: Input: 100-240V 50-60Hz; Output: 19V 4.74A 90W; Connector Size: 7.4 * 5.0 mm; Package Includes: 1 x AC power adapter & 1 x AC power cable/charging cord & 1 x Manual. (Please Check the Picture of Charger Before Purchasing) Compatible Laptop Models: Compatible with models such as 725-G2, 740-G1, 745-G2, 755-G2, 820-G1, 820-G2, 840-G1, 840-G2, 850-G1, 850-G2; 2170P, 2530P, 2540P, 2560P, 2570P, 2730P, 2740P, 2760P, 6930P, 8440P, 8440W, 8460P, 8460W. Also compatible with Pavilion DM4 DV4 DV5 DV6 DV7 G6 G7 Notebook models including DM4-1065DX, DM4-1160US, DV4-1540US, DV4-1548NR, DV4-2145DX, DV4-4141US, DV5-1125NR, DV5-1235DX, DV6-1030US, DV7-2180US, DV7-2185DX, DV7-2273CL, DV7-3060US, DV6-1238NR, DV6-1259DX; for more models please see the detail page. Intelligent Chip Protection: This product features an internal integrated chip for overheating, overcurrent, overvoltage, and overcharge protection to ensure charging safety. Size: 7.48 x 4.92 x 1.85 inches.