Introducing the CUZEC SAE to Cigarette Lighter Adapter, a versatile power solution for your vehicle accessories. This heavy-duty adapter features high-conductivity 12 AWG copper wire with a robust 30-amp capacity, making it perfect for travel trailers, boats, motorcycles, snowmobiles, and more. The built-in 30A fuse provides essential overload and short-circuit protection, with three backup fuses included for your convenience. Compatible with both 12V and 24V systems,What sets this harness apart is its polarity reverse SAE adapter preventing potential damage from incorrect hookups. The standard SAE connector works seamlessly with most battery chargers and maintenance devices. Its durable construction offers excellent hardness, heat resistance, and arc resistance for long-lasting performance. The adapter's thoughtful design includes dual pure copper springs for enhanced conductivity and a red power indicator for easy status monitoring. Whether you're charging batteries, or operating vehicle accessories, this adapter delivers reliable performance across a wide range of applications.