【High quality materials】The solar panel is made of monocrystalline solar cells. 100% waterproof. ETFE material film is used to provide additional protection and prolong the product life.In full sunlight, Dual USB QC3.0 output ( 5V/3A, 9V/2A,12V/1.5A Max)
【High Conversion EffIciency】The solar panel can convert up to 22% of the solar energy into free energy under sufficient sunlight.
【Dual USB Smart Charging Technology】Dual USB output Support fast charging, For Smartphones, tablets,GPS, digital cameras Charge.
【Foldable and Portable Solar panels】Foldable design, （Fold Size: 290x195mm,Unfold size: 590*290mm）21W portable solar charger is suitable for camping, riding, climbing, rock climbing, any external activity. You can also hook it in the backpack through the attachment hook when walking.
【After-sales service】If you have any questions in your product, please contact us, we will answer within 12 hours.