Input Power:100-240V ~ 2.0A 50/60Hz Output Power:19V — 4.74A. Connectors: 1. (5.5mm x 2.5mm) Model:ST-C-090-19000474CT. Check PDF document for Laptop compatibilty Compatiblity List If your internet browser does not support PDF then please download Adobe Reader to view
*Acer/HP/Comp Compatible 19V 4.74A 90W (5.5″ x 2.5″)mm
*Acer/HP/Compaq Compatible 19V 4.74A 90W (5.5″ x 2.5″) W/P