More simple and quickly,

          Change battery simply Application:

                     electric vehicles maintenance

  Test whether controller is good or bad,

           Test whether throttle and brake lever

                    are good or bad.

  Quality-oriented, integrity first,

                  innovative, progressive

  Test one group of battery quickly and accurately,

      The test data can be accurate to 0.01V Application

  Test electric vehicle no-loading current,

        Test whether battery pack is good or bad