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Features: [High Efficiency Solar Panel] The solar panel is made of high-quality polysilicon material, which is environmentally friendly and durable. The solar cell can provide good performance even in low light conditions. Internal diodes prevent nighttime leakage and extend battery life. [Reliable and Durable] Advanced packaging materials use multiple layers of thin laminates to ensure good battery performance and extended battery life. The module can withstand high wind pressures, snow loads and extreme temperatures. [Portable] This solar panel charger is lightweight, portable and easy to carry, suitable for outdoor cycling, hiking, backpacking, camping, traveling, etc. [High-Quality Material] This product is made of high-quality polysilicon material, which is waterproof, lightning-proof, durable, reusable and can be used for a long time. [Wide Application] This 18V solar panel is suitable for caravans, boats, sailboats, yachts, trucks, cars, coaches, cabins, campers, tents, trailers, golf carts or any other irregular surfaces. Specifications: Product name: Solar panel Maximum power: 30W Working voltage: 18V Cable length: 2 meters USB port: USB+DC5V (maximum 5V/2.4A) Temperature coefficient: (010+/- 0.01)%/C Temperature coefficient: - (0.38 +/- 0.01)%/C Temperature range: -40℃ to +80℃ Waterproof grade: IP65 Solar panel: polysilicon (material) Product size: 35*24*1.6cm Package includes: 1*solar panel