XIANQI Product Description: Quantity: 1set Color : grey UNIVERSALHeavy-duty multipurpose universal battery quick connector set . Provides simple and convenient method for connect/disconnect power to a winch or other electrical device such as remote battery chargers, power inverters, solar setups,trailers, or for any purpose requiring a high-current, quick-disconnect connector. DURABLECombined shell made from sturdy PC fire-retardant materials, allowing for over 10,000 connect/disconnect actions. With fitted rubber boot covers, protect against dust, moisture and corrosi SAFEBoth ends are suitable for connection to the power or load side because of its identical connectors.The ends are made to connect only one way, making it impossible to connect the wrong polarities to one another,preventing accidental reverse polarity when hooking up a charger. EFFICIENTThe heavy duty components are suitable for low or medium current use. With terminal pins made of red copper coated with silver have strong electrical conductivity and reduce the resistance to guarantee stable voltage and current. INSTALLATIONIt is very easy to use and install. Insert the wires into the terminal pins, then solder or crimp them. Insert the terminal pins into the connector housing and lock them in place