Features: 【PREMIUM QUALITY】Solar panel is made of monocrystalline silicon material, durable and lightweight, easy to use and carry.【CHARGING】Solar charging panel is equipped with fan cooling and ventilation system, with dual USB and DC5521 female output ports, suitable for emergency charging of cell phones and other devices.【HIGH CONVERSION】Solar battery charger has excellent low-light effect, which can efficiently convert solar energy into electricity and provide stable 5V dual USB output.【PROTECTION】Solar panel module has built-in overload protection and reverse protection, and has certain waterproof performance to ensure safe use. Specification: Condition: Brand NewItem Type: Solar PanelMaterial: Monocrystalline siliconColor: As picture shownProduct Size: Approx. 420x280x3mm/16.5x11x0.1inWeight: Approx. 673gSolar panel power: 20WSolar battery: Monocrystalline siliconSolar panel working voltage: 18VOpen circuit voltage of solar panel: 21.6VSolar panel short-circuit current: 1.11A (maximum value)Output port: dual USB, DC5521 femaleProduct features: integrated voltage regulator module, 5V dual USB regulated outputProduct 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 line1 x Clip line2 x Hanging buckle4 x Suction cup1 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.