• Widely compatible with portable and foldable solar panels of 50W, 100W, 175W, 200W, and 400W. • Perfectly compatible with portable power stations and solar generators of the EF River and Delta series. • 1.8-meter long connection cable, made of 12 AWG copper wire with a pure copper core of 3.3 mm², very thick and durable. • Waterproof and dustproof design with a waterproof ring to ensure a firm connection and prevent the entry of moisture or dust. • Carefully check the positive and negative poles of the solar plug of your solar panel to ensure a correct connection. • Easy to use with a length of 5.9 feet (180 cm), ideal for moving your solar panels in various scenarios such as RV trips, gardening, and camping.