BT-890 Car Battery Tester Automobile Engine Detection Battery Inspection Device for Comprehensive Diagnosis and Accurate Measurement with LED Indication System This all-around automotive battery tester is capable of accurately checking the battery status of various types of equipments, including automobiles, trucks, and motorcycles, as well as performing a comprehensive and detailed alternator check. It is equipped with an intuitive LED display function that allows users to quickly determine the condition of the battery, the operating status of the alternator, and the change in power level during charging through different LED light states, providing users with accurate maintenance and repairing references. Its special design makes it the essential tool for testing all types of battery systems, ensuring optimal performance of batteries and power generating systems. Features: 【Comprehensive Diagnosis and Accurate Measurement】: This all-around automotive battery tester is capable of accurately checking the battery status of various types of equipments, including automobiles, trucks, and motorcycles, as well as performing a comprehensive and detailed alternator check. With overrange warning function. 【Intuitive LED Indication System】: It is equipped with an intuitive LED display function that allows users to quickly determine the condition of the battery, the operating status of the alternator, and the change in power level during charging through different LED light states, providing users with accurate maintenance and repairing references. The LED indicators make it easy to get accurate information, whether on the initial check before charging the battery or a real-time display of the alternator's operating status. 【Convenient Operation and Ergonomic Design】: It adopts pure copper clamps to ensure high conductivity and long durability during the testing process, and it is easy to operate and convenient for users to access the battery holder for testing. Its user-friendly structural design allows technicians e it more comfortably and efficiently to complete various testing tasks for batteries and alternators. 【Wide Compatibility and Application Scenarios】: The multi-purpose design makes it suitable for various transportation equipments, such as heavy-duty trucks, automobiles, marine vessels, commercial equipment, power sports automobiles, lawn and garden machinery, etc.. Its special design makes it the essential tool for testing all types of battery systems, ensuring optimal performance of batteries and power generating systems. 【Integrated Testing and Comprehensive Analysis】: As a comprehensive testing tool that integrates battery power testing, pre-charging inspection, external charging inspection, and alternator status analysis functions, providing a complete testing and maintenance solution for all 12VDC automotive batteries. Specifications: Name: Battery Tester  Material: plastics Voltage: 4-46VDC, ±0.1V Cable length: 0.45m Overrange warning: When the test voltage is greater than 16V, all the indicator lights of the product will flash. Package size: 170 * 44 * 35mm / 6.69 * 1.73 * 1.38in Package weight: 90g / 3.17ounce Packing List: 1 * Battery Tester