220W Solar Panel with USB Output Why choose this panel Reliable power source for small electronics and 5V systems. Converts sunlight into stable USB power for charging phones, tablets, and accessories. conversion efficiency increases usable output from available sunlight, helping reduce charging times and improve performance in variable conditions. Designed for surface mounting to simplify installation on boats, RVs, rooftops, and other flat surfaces. Key benefits USB ready: Built in USB output designed for common 5V devices, with a maximum power supply voltage of 6V to protect connected equipment. conversion rate: Module efficiency of 2324 percent for strong energy yield per unit area. Weather resistant junction box: IP67rated junction box for reliable connections in outdoor installations. Wide operating range: Working temperature range from 40 C to +85 C supports use in extreme climates. Compact and thin form factor: Lowprofile panel that is easy to handle and mount. Technical specifications Maximum power (Pmax): 220 W Output: USB Nominal voltage: 5 V Maximum power supply voltage: 6 V Open circuit voltage (VOC): 220 V Panel short circuit current (Isc): 3 A USB output short circuit current: 2 A Conversion efficiency: 2324 percent Panel dimensions: 435 x 200 x 2 mm Packing size: 450 x 205 x 30 mm Junction box rating: IP67 RETED Operating temperature: 40 C to +85 C Mounting: Surface mountable, easy to install Compatibility and function Compatible with standard USBpowered devices and 5V accessory systems. Surface mounting makes the panel suitable for fixed installations on flat surfaces such as decks, roofs, and flat panels. Works as a direct solar charging source or as part of a larger power setup when combined with appropriate charge controllers and batteries. Practical use scenarios Camping and outdoor recreation: Mount on a camper roof or carry to a campsite to charge phones, lights, and portable battery packs. Marine and RV applications: Surface mount on a boat or RV roof to provide a compact, weatherresistant USB power source for navigation lights, communication devices, and small appliances. Remote sensors and field equipment: Power lowvoltage monitoring devices, sensors, and communication modules where a compact, efficient solar module is required. Installation notes Designed for surface mounting; use appropriate fasteners and sealants for the installation surface to maintain a secure and weatherresistant fit. Ensure USB output and system wiring are compatible with your devices and any additional components such as charge controllers or batteries. Observe safe handling to avoid damage to the thin panel surface during installation. This panel delivers a compact, efficient USBready solar solution for charging and powering 5V devices in a variety of outdoor settings while providing clear electrical specifications for system planning.