This product is a photovoltaic power bank 160W. Solar charging folding board, efficient conversion, fast charging, waterproof panel, corrosion resistance, high temperature resistance, calmly cope with various harsh environments. IP65 grade dustproof and waterproof, anti-scratch, anti-salt spray corrosion, strong light transmission, long service life. There are two ways of use: 1. The solar panel is linked to the controller, and then output to the electrical appliance through the controller; the solar panel is linked to the battery, and then output to the electrical appliance through the battery.