【High Efficiency Solar Charging】With a 22% conversion rate, this 3.5W 5V solar panel charger efficiently harnesses sunlight for charging. 【Versatile Compatibility】Suitable for 3V-5V electronic devices, including fans, lights, advertising displays, and monitoring equipment. 【Convenient Design】Featuring a long 3m cable, this charger offers flexibility in placement for optimal sun exposure. 【Durable Construction】Made with high-quality single-crystal silicon and PET lamination, ensuring stability and longevity. 【Lightweight and Portable】Easy to carry and maintain, perfect for outdoor activities and emergency power needs. Specifications: Working voltage: 5V Working current: 0-660MA Size: 150*130mm Cable length: about 3m (subject to the actual product) Output port: Type-C / Micro (optional) Solar Cell Type: Single-crystal silicon Process: PET lamination Conversion rate: 22% Compatible with Universal Models Universal Package included 1 x Solar Panel Specifications Brand N/A ColorStyle B Packaging Type Yellow Paper Box Plug Type (For Supply) N/A User Manual (Language) No User Manual Gross Weight 0.157kg Volume Weight 0.054kg Package Length 16.000cm Package Width 15.000cm Package Height 1.000cm