Always stay confident in your vehicle with the TOPDON tester. It offers a check of the condition of 12V and 24V electrical systems, alternator charging, and starter cranking conditions. Advanced testing technology ensures high reading accuracy, quickly providing results. The integrated printer offers access to printed data for better analysis. Equipped with a 2.4-inch color screen that provides clear readings under any lighting, and intuitive buttons and a 31.5-inch cable support ease of use. The insulated ABS plastic housing prevents current leakage and withstands damage, while copper clamps and PVC-coated wiring guarantee additional safety. Built-in protection automatically shields the battery from reverse polarity and short circuits. Compatible with a wide range of batteries.