- 4-in-1 Solar Panel Connection Adapter Set: This all-in-one adapter set provides essential connections for solar charging, compatible with DC5521 and DC7909 plugs. It's the ideal solution for all your solar energy needs. - High-Efficiency Charging Cable: Built with oxygen-free copper wire, this cable minimizes resistance for a stable power supply, enhancing the performance of your devices during solar charging. - Optimal Insulation Material: The connectors are made from high-quality insulating material that offers excellent protection against extreme temperatures, fire, and UV rays, ensuring durability and reliability in various environments. - Wide Compatibility: Designed for use with multiple stations and solar panels under 140W 18V or 280W 36V, this adapter set is compatible with brands like Powkey, SinKeu, Enginstar, Marbero, and River series products. Use Scenarios: 1. Camping Trips: Easily charge your devices while enjoying nature without worrying about power sources. 2. Emergency Preparedness: Ensure you have a reliable way to power essential devices during power outages or emergencies. 3. Off-Grid Living: Perfect for those living off the grid, providing a sustainable way to harness solar energy for daily use. Choose this adapter set for an efficient, reliable, and versatile solar charging solution that meets your energy needs.