StorageReview checked out the Bluetti PV350 Solar Panel
A quote from the article:
The Bluetti PV350 is a portable 350-watt folding solar panel designed to extend the runtime or enable the charging of portable power stations out in the field. Keeping devices operational without grid power can be challenging with remotely deployed hardware. With a 23.4% efficiency, rugged design, and water-resistant rating, the Bluetti PV350 is geared to provide solar power in nearly all remote environments.Bluetti PV350 Solar Panel Review