Specification Replacement Acer Delta 19V 4.74A AC Adapter Input: AC100-240V (worldwide use) Output: DC19V 4.74A Power: 90W Outlet: 3-prong DC Connecter size: Internal Diameter: 2.5mm External Diameter: 5.5mm Brand New Replacement Product, works as genuine parts, 100% OEM Compatible!! Remark: US style Power cord included Compatible Part Number Weight: 0.98lbs Package Dimensions (LWH): 210.0 x 115.0 x 32.0(mm)