Based on this product's specifications, here are some alternatives and similar models
Power adapter Dell 180W 19.5V MC9FV for compatible Dell laptops, 3-pin connector
Summary description:
Dell 180W AC adapter (19.5V, model MC9FV) supplies power and charges compatible Dell laptops. Delivers 180 watts at 19.5 volts with a 3-pin connector, suitable for high-performance mobile workstations and larger notebooks. Provides stable voltage output, protects against overcurrent/overvoltage, and is intended for use as an original-equivalent replacement or spare power supply.