XMUND XD-PS10 solar power station with 600 W output is on sale for around €360
The XMUND XD-PS10 portable power station is currently selling for the discounted price of €361.01 (~US$360.75) on Banggood. The gadget can be powered by solar panels or recharged via a wall outlet or car charger. The device has a maximum output of 600 W, with AC, USB-A and USB-C ports.
Source: notebookcheck.net