HT2018B Car Digital Battery Tester Analyzer 6V/12V/24V With LCD Display Features: Made of high quality metal and plastic, this product is rugged and practical. It can directly detect the load status of the car, the starting voltage of the car, and whether the charging voltage of the car is normal. It can be tested by low frequency signal without external large load discharge test. It can indicate the capacity and health of the battery and estimate the life cycle. It can be directly tested on the car, without removing the battery, and quickly and accurately display the test results of the battery. It can be operated without interruption, full protection of overpressure lines, and anti-back pressure. No power generation, no heat, no sparks, no operational danger, anyone can operate, please feel free to use it. Battery test and test, cold start current, battery internal resistance, voltage, and life analysis are available. Start the test to detect battery changes during system startup. The charging system tests to test the output status of the charging system. Maximum load test to detect the maximum load status of the battery. Applicable to battery manufacturers, automobile production lines, automobile 4S maintenance enterprises, battery distribution wholesale enterprises, and trucks, trucks, private car owners.