RAVPower&reg; 90W Universal Laptop Notebook AC Adapter Power Charger, with Overload and Short Circuit Protection 90W Universal AC Adapter for Laptop Input: AC100-240V (worldwide use) Switchable Voltage Options: DC15V ,6A(MAX) DC16V ,5.6A(MAX), DC18V or 18.5V ,5A(MAX) DC19V or 19.5V ,4.7A(MAX),DC20V, 4.5A(MAX),DC22V,4.1A(MAX)