Intelligent Battery Jump Starter Clamps with EC5 Connector, 12V-24V Heavy Duty Copper Booster Cables with Reverse Charge Protection for Car Fits most 12V jump starters with EC5 output for seamless vehicle battery connection without adapters Built-in safety module forestalls incorrect polarity errors to insure secure operation during starts Double-layered metal construction delivers reliable conductivity and long lasting performance in cold weather Simple installation allows anyone to connect booster cables quickly without prior mechanical Perfect replacement for damaged for smart battery clips ensures your kit remains ready for unexpected failures