Based on this product's specifications, here are some alternatives and similar models
Power adapter Dell 90W 19.5V 3.34A compatible with Dell laptops (MPN 450-16947)
Summary description:
Dell AC power adapter, 90W output at 19.5V and 3.34A (MPN 450-16947). Designed for powering and charging compatible Dell laptops and replacing original adapters. Compact external adapter with standard barrel connector, suitable for home, office, travel and on-the-go use. Provides stable voltage and protection against overload for reliable charging.