Portable 21W Solar Folding Charging Bag Solar Charger with Dual USB Emergency Outdoor Solar Charging Pad

Due to manual measurement, there might be a 3cm tolerance in size. Thank you for your understanding. A portable 21W folding solar charger built with three high‑efficiency monocrystalline panels, delivering a stable 5V/3.5A max output for phones, tablets, cameras, and other 5V devices. The PET‑laminated surface and water‑resistant fabric enhance durability, while the 700×290×30 mm unfolded size maximizes light exposure. Folding down to 290×170×30 mm and weighing 800 g, it is easy to carry for outdoor use. The built‑in voltage‑stabilizing circuit supports safe, consistent charging, and the dual‑USB interface allows simultaneous device power. Suitable for camping, travel, and daily emergency charging.