The waterproof 20W 5V foldable USB solar charger panel cells portable smartphone is a durable and sturdy solar panel made from PET layer pressure single crystal solar panel. It features a foldable design and a waterproof nylon material bag, making it convenient to carry and use in various outdoor environments. With a USB output voltage of 5V, this solar panel is ideal for charging smartphones and other portable devices on the go. Its anti-scratch and wear-resistant properties ensure long-lasting durability, making it a reliable alternative energy supply for any DIY project. The packaging has been opened but not used. Thanks
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