GC013 X-Connect Male-To-Male CouplerX-Connect Male-To-Male Coupler allows two accessories to connect to each other. Easily connect X-Connect Battery Clamps or Eyelet Terminals to a 12V Plug Female Outlet to create a 12-volt outlet directly from the battery. Or use it to create used endless options and pair it to a variety of 12-volt accessories.More ways to charge.Rugged, water-resistant plug-n-play connections for maximum performance.Permanently mount eyelet connectors on multiple vehicles to make hard-to-access batteries easy to charge. Charge through the 12V auxiliary or OBDII port from inside a vehicle, or simply extend the reach of your accessories. Whatever the case may be, X-Connect creates a solid weatherproof connection that provides maximum current flow and makes interconnecting different applications fast and easy. The possibilities are endless.Versatility.It doesn't stop here.The male-to-male coupler is unique for the NOCO accessory line as it allows you to mix and match different accessories in order to accomplish any charging task you may need. For example, the illustration above explains how to create a 12V port anywhere you have a battery. The GC013 can be used for a multitude of charging applications.Features:Allows multiple accessories to connect and work togetherUse your imagination and create endless accessory optionsMore ways to charge with plug-n-play accessory changesRugged, watertight connector for extreme environmentsWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.