CBD&reg;90W AC Power Adapter Charger For Acer Aspire AS7741, AS7741Z, MS2309, AS7741-5137, AS7741-5209, AS7741-5932, AS7741-6456, AS7741-7870, AS7741Z-4433, AS7741Z-4450, AS7741Z-4475, AS7741Z-4485, AS7741Z-4592, AS7741Z-4633, AS7741Z-4641, Output: DC 19V 4.74A 90W Connecter size: 5.5mm/2.5mm (ref to the picture) Input: AC 100V - 240V 50-60Hz Package Includes: Only one AC Adapter This Product has 12 MONTHS REPLACEMENT WARRANTY!