Amazon.com: Original 135W 7.1A 5.5x1.7mm Purple Color Tip AC Adapter Charger for Acer Aspire V Nitro VN7-592 VN7-592G VN7-792 VN7-792G (not 5.5x2.5mm Orange Color tip,Check Photo 5 to Confirm The tip) :
Genuine Ac Adapter for Acer Nitro 5 AN515-41 AN515-51 Notebook Charger 19V 7.1A 135W Power Supply - AliExpress