These black 4Gauge Inverter cables are the real deal, giving my car's power supply that extra backbone it desperately needed. As a result of my tests, I determined that these cables boast a reliable and efficient charge in a compact size that's easy to manage. The rubber-coated grips, extra-long length, and strong connection points all make for a user-friendly experience. The only downside is the price, but after achieving seamless results, I'd say they're worth every penny!