- Thick and Durable Construction: This SAE extension cable features 14 AWG copper wire, offering excellent thickness, flexibility, and durability. It guarantees reliable performance for your devices over time. The red wire indicates positive, while the black wire indicates negative for easy identification. - Waterproof and Dustproof Design: The cable is equipped with a dust cap that effectively protects the SAE ports from water and dust. This feature keeps the connector clean and dry, extending the cable's lifespan and ensuring optimal performance in challenging environments. - Polarity Reverse Adapter Included: Accompanying the cable is a SAE to SAE polarity reverse adapter. This adapter allows seamless switching between different brands of solar panel charging socket connectors, ensuring proper polarity and secure connections for your devices. Applications: - Ideal for connecting solar panels to batteries in RVs, boats, and off-grid systems, ensuring efficient energy transfer. - Perfect for charging various devices, such as portable power stations and electric scooters, with reliable and safe connections. - Useful for automotive applications, providing a dependable link between vehicles and accessories for enhanced functionality. This SAE extension cable is designed for performance, compatibility, and durability, making it a practical choice for all your energy connection needs.