Based on this product's specifications, here are some alternatives and similar models
AC Adapter Dell XPS 13 19.5V 2.31A 45W
Summary description:
AC adapter for Dell XPS 13 providing 19.5V at 2.31A (45W) output. Designed to power and charge compatible XPS 13 laptops, it delivers stable voltage for everyday use, charging during work, travel, or at home. Compact form factor and integrated cable make it suitable for replacing a lost or faulty charger and for carrying in a laptop bag.