HAWEEL Portable 20W Monocrystalline Silicon Solar Power Panel Charger, with USB Port & Holder & Tiger Clip, Support QC3.0 and AFC Features 1. Monocrystalline silicon solar cells. It provides high photoelectric conversion rate. Environmental protection and energy inexhaustible 2. The solar panel connected with crocodile clip can be used to automobile, motorcycle, tractor, boat batteries and more 3. Adopt imported Sunpower solar panel, highly efficient sun power transformation, stability voltage panel, no need to worry damaging your phone 4. Standard USB output fit for mobile phone and other portable digital devices 5. Without build-in battery, no troubles caused by heat or strong sunshine 6. DC output: 18V 20W(Max) 7. USB output: 5V 2.5A (Max), support DCP, QC 2.0, QC 3.0, MTK PE1.1PE2.0, FCP, SCP, SFCP fast charge protocol Specifications 1. Maximum power (watt): 20W 2. Material: PET+silicon wafer 3. Material brand: Sunpower 4. Size of cells(wide and high): 125mm*125mm, Monocrystalline 5. Number of cells: 6 6. Weight per piece: 589g 7. Size of module (wide and high): 42*28.3*0.5cm 8. Temperature coefficient of Isc: +-0.05% degree C 9. Temperature coefficient of Voc: -0.33% degree C 10. Temperature coefficient of power: -0.23% degree C 11. NOCT(nominal operating cell temperature): 45 degree C(+- degree C) 12. Production tolerance: -5 13. USB maximum power output: 5V 3A9V 2A12V 1.5A 14. DC maximum power output: 19.8V 1.02A 15. Open circuit voltage: USB port 5V, DC port 23.4V 16. Protection function: Short circuit protection, overload protection, overheat protection