Dell Vostro 3550 Original 90W 7.4mm Pin Adapter - tpstech.in
Dell Vostro 15 3550 (P16F) 3560 (P24F) Laptop Charger AC Adapter Power Cord 19.5V 4.62A - Walmart.com
Dell Vostro 15 (3550) original ac-adapter 90 Watt - sparepartworld.com
Amazon.co.jp: GlobalSmart Dell Vostro 3550 Power Adapter, 19.5 V, 4.62 A, Laptop Compatible Charger, 90 W, High Power, Rapid Charging, AC Adapter, Power Cable Included, PSE Certified, GlobalSmart : Computers