1. Output stability ,can provide 35W USB 5V output (built-in voltage regulator), support a variety of devices to charge. 2. weather resistance, with waterproof sunscreen and aging resistance, long ser more→vice life, adapt to various harsh environment. 3.High Efficiency of Conversion rate: energy conversion rate is high, can reach 18-19.5%, greatly improve the use of solar energy efficiency. 4. Easy to carry . Foldable easy to carry, do not take up too much luggage space. At the same time, out