Based on this product's specifications, here are some alternatives and similar models
AC Adapter 2-Power EA-905V
Summary description:
The 2-Power EA-905V compatible AC Adapter provides a reliable output voltage of 18V. With dimensions of 49mm width, 118mm depth, and 32mm height, it is compact and easy to store. The package dimensions are 128mm width, 190mm depth, and 54mm height, making it convenient for shipping. This adapter is ideal for powering devices that require 18V, ensuring stable performance and compatibility.