Input: 100-240V 50/60Hz, Output:19.5V 16.9A 330W, Max Output Power:330W.Compatible with 280W 230W.Connector size:5.5*1.7mm(As the picture shows).If you are not sure about the adapter jack/barrel tip/connector, you can send us your laptop model
Compatible with Acer Nitro 16 AN16-41 AN16-41-R148 AN16-41-R1WE AN16-41-R3ZV AN16-41-R4CY AN16-41-R5KC AN16-41-R6HK AN16-41-R7YE Nitro 17 AN17-4 AN17-71 AN17-41-R182 AN17-41-R7G3 AN17-71-75VK Nitro 5 AN517-55 AN517-55-51DQ AN517-55-5552 AN517-55-558P
Compatible with Acer Predator Helios 16 PH16-71 PH16-71-96W2 Predator Helios 18 PH18-71 PH18-72 PH18-71-91C PH18-71-756U PH18-72-90C9 PH18-72-924C PH18-72-93VM PH18-72-961M PH18-72-96P5 PH18-72-9913
Compatible with Acer Predator Helios 3D 15 Spatiallabs Edition PH3D15-71 PH3D15-71-94PP Predator Helios Neo 16 PHN16-71 Predator Triton 17 X PTX17-71 PTX17-71-95HW PTX17-71-99W5
Compatible with Gigabyte AORUS 17X AXF AZF AXF-B4DE694SP AXF-B4US694SP AXF-D4DE694SH AZF-B5DE665SP AZF-B5US665SP AZF-D5DE665SH.