Feature: 1. Suitable for outdoor emergency charging, equipped with fan cooling and ventilation, mobile phone emergency charging. 2. High conversion rate, high output efficiency, and excellent low light effect. 3. Overload protection, reverse protection, DIY backpack and teaching purposes. 4. Durable, thin and lightweight, easy to use and carry. 5. Solar panel, suitable for outdoor light rain. Specification: Condition: 100% Brand New Item Type: Solar Panel Material: Monocrystalline silicon Color: As picture shown Product Size: Approx. 420x280x3mm/16.5x11x0.1in Weight: Approx. 673g Solar panel power: 20W Solar battery: Monocrystalline silicon Solar panel working voltage: 18V Open circuit voltage of solar panel: 21.6V Solar panel short-circuit current: 1.11A (maximum value) Output port: dual USB, DC5521 female Product features: integrated voltage regulator module, 5V dual USB regulated output Product use: charge 5V devices such as mobile phones and sports cameras, and charge 12V car batteries such as car and boats Package List: 1 x Car charging line 1 x Clip line 2 x Hanging buckle 4 x Suction cup 1 x Solar Panel Note: Do not allow the positive and negative poles of the clip to contact or connect with each other, otherwise it may cause short circuit and burns.