For Use with NOCO Genius Smart Battery Chargers; G750, G1100, G3500 and G4 * 12 volts plug Connector; Charge and maintain your vehicle from any 12 Volts auxiliary plug. * Ergonomically designed; makes battery connecting and disconnecting effortless * Built-In Fuse Protection: protects against potentially dangerous short circuits * Extendable Connectors; Plug-n-play connector for easy accessory changes and a waterproofing seal