Based on this product's specifications, here are some alternatives and similar models
LTC PD 20W USB-C GaN Wall Charger LXQC31-C – 20W USB-C PD fast charging, GaN technology, black
Summary description:
LTC LXQC31-C is a compact wall charger with USB-C Power Delivery rated at 20W and built using GaN technology. Designed to charge smartphones, tablets and other USB-C devices, it delivers up to 20 watts for faster charging compared with standard chargers. The black unit fits home, office or travel use where a small, efficient USB-C PD adapter is required.