1. For ACER laptop 2. 90W,19V,4.74A input voltage:100V-240VAC (50-60Hz)output voltage:19Voutput current:4.74Ampspower:90WDC specification:5.5mm*1.7mmadapter ... , Acer Aspire 9510Acer TravelMate 2420, Acer TravelMate 4200, Acer TravelMate 4220, Acer TravelMate 4400, Acer TravelMate 4670, Acer TravelMate 5610, Acer TravelMate 8200 laptop power adaptor, 90W, 19V,4.74A notebook power supply ...