In order to meet the high-quality charging requirements of new energy vehicles, we need to choose better cables. But how to measure the quality of the cable mainly depends on the following aspects: 1. Affordability The ability to withstand the process of use is critical and affects the quality of performance. The quality of a wire can be gauged by knowing its overall heat and pressure resistance and corrosion resistance. Since wires are used in different environments, only good resistance can show the quality of use. And it can be used in a long-term safe process without being easily damaged. 2. Bending radius It can also be measured by checking the bending radius of the wire when measuring the high-voltage wire of the electric vehicle. The charging operation of the car tends to be adjusted according to the charging situation of different vehicles. The wire bending radius adopts high-quality wire to meet the charging needs of different models. The curvature can protect the wire from being broken, as well as the charging flexibility during use. 3.The quality of copper Identifying the car wire can also identify the quality by looking at the quality of the copper wire. A good copper wire has both good electrical conductivity and energy-saving properties, reducing charging costs. Therefore, the quality of the cable depends on the quality of the copper.