Replacement Laptop AC Adapter Power Supply Charger+Cord for Acer Aspire M5-481PT-6488 M5-581T-6405 S3-391-6466 Replacement Acer 19V 1.58A AC Adapter Input: AC100-240V (worldwide use),Output: DC19V 1.58A Power: 30W,Outlet: 2-prong Connecter (Round Barrel) size:Internal Diameter: 1.5mm ultra slim,External Diameter: 5.5mm 1 YEAR WARRANTY ! Excellent backup mini AC Adapter for Aspire One Netbook.