5.5 W Folding Solar Charger, Dual-USB output and Auto-restart Max. power output: 5.5 Watts Dual USB ports with waterproof cap and auto-restart charging system Dimensions: 37.5 cm x 19.0 cm x 2.0 cm (unfolded), 21.0 cm x 19.0 cm x 2.0 cm (folded) Weight: 190 g Corrosion resistant, scratch free, anti-UV, waterproof Teflon ETFE panel surface coating