iRun&reg; Laptop Wall AC Adapter ADP-45AW A (19V 2.37A 45W) For ADP-45BW B ASUS Q502L D550CA D550MA D550MAV Notebook PC NEW 45W Square Wall Charger 19V-2.37A, 5.5x2.5mm tip, US Plug Fit for ASUS Q502L X551C X551MA F551M D550CA D550MA D550MAV Notebook PC Reference Part Number: ADP-45BW B, ADP-45AW A, ADP-33AW A, PA-1450-55, AD883220 Type: 010KLF BAH [!!! NOTE: The same original P/N might be with diffierent DC tips! The Right charger should be comfirmed by your Laptop Model !!] Please make sure the DC output and Tip size of ac adapter are accordant before you bid !! ( If the model of your device is not listed in our description, it may still fits your model as well, so please feel free to contact us to confirm the compatibility.) It usually takes 7-15 business days by USPS (e-Packet) for delivery.