Based on this product's specifications, here are some alternatives and similar models
AC Adapter Quer 65W 18.5V 3.5A 1.7mm Laptop Power Supply (KOM0835)
Summary description:
Quer AC adapter 65 W (model KOM0835) provides 18.5 V output at 3.5 A with a 1.7 mm barrel connector for compatible laptops. This compact laptop power supply is intended for replacing or carrying as a spare, offering stable DC power for charging and running the device. Suitable for use at home, office, or on the go where the connector and voltage match the laptop requirements.