- 4 in 1 Solar Panel Connection Adapter Kit: This all-in-one solution includes essential adapters for solar charging, compatible with both DC5521 and DC7909 connectors, ensuring all your solar energy needs are met. - High Efficiency Charging Cable: Constructed using oxygen-free copper wire, this cable reduces resistance for a stable power supply, enhancing the performance of your devices during solar charging. - Optimal Insulation Material: The connectors utilize high-quality insulating material, providing exceptional protection against extreme temperatures and UV rays, guaranteeing durability and reliability in various environments. - Multiple Device Compatibility: This adapter kit is designed for use with multiple stations and solar panels under 140W18V or 280W36V, making it suitable for a range of products, including Powkey, SinKeu, Enginstar, Marbero, and River series. Use Scenarios: 1. Charge your portable power station while camping, ensuring you have a reliable energy source for all your devices. 2. Set up a solar panel system for off-grid living, maximizing energy efficiency with compatible connections for various equipment. 3. Utilize this adapter kit to enhance the solar charging experience for outdoor events or emergency backup power solutions. This adapter kit effectively addresses diverse solar energy needs with robust construction and versatile compatibility.