Based on this product's specifications, here are some alternatives and similar models
Bluetti PV350 Foldable Solar Panel 350W 37.5V with MC4 Connectors
Summary description:
The Bluetti PV350 is a high-efficiency foldable solar panel designed for portable power stations. With a power output of 350W and a voltage of 37.5V (OCV 46.5V), it utilizes monocrystalline cells for optimal energy conversion. Featuring standard MC4 connectors, it is compatible with most solar generators, providing a reliable off-grid power solution for camping, outdoor activities, and emergency backup power needs.