1. Connect the battery to the power supply to stabilize the current and protect the battery 2. Wire size: wires with a diameter of 5.2 - 7.4mm (AWG size 1 - 4) or 16 - 35mm^2 3. Properties: positive pole 17.5MM, negative pole 15.9MM 4. Material: pure copper with tin plating 5. Packing list: Car battery pile head positive x2 Car battery pile head negative pole x2 Open copper terminal 40Ax8 Insulation pad x2 Cleaning brush x1
