All-in-One 4-in-1 Solar Panel Adapter Set designed for seamless connections with DC5521 and DC7909 solar systems, covering all your charging needs. - Reliable power capacity: Uses robust 12 AWG and 18 AWG wiring rated up to 7 A. Compatible with solar modules up to 140 W at 18 V or up to 280 W at 36 V. - Efficient charging cable: Oxygen-free copper core provides low resistance and a stable current, while resisting oxidation to maintain performance over time. - Safe materials: Connectors constructed with insulating material that withstands extreme temperatures and provides fire resistance, durability, and UV protection for outdoor use. Use scenarios - Portable solar setups: Ideal for charging small battery packs or devices with DC5521 or DC7909 inputs in off-grid or remote locations. - Recreational use: Suitable for RVs, campers, or portable solar installations that require flexible, reliable DC connections. - Outdoor installations: Durable for outdoor charging needs where temperature, UV exposure, and weather resistance are important.