Based on this product's specifications, here are some alternatives and similar models
Power adapter Dell 130W 19.5V for laptops, model HMT49
Summary description:
Dell HMT49 130W 19.5V power adapter provides external mains power and battery charging for compatible Dell laptops. Rated output is 130 watts at 19.5 volts; designed for use as a replacement or spare unit. Compact form factor with standard DC connector and built-in safety features helps protect against overcurrent and short circuits, suitable for home, office or travel use.