A. Professional Updated Version Battery Tester: Designed for all 5-30V batteries(6V, 12V, 24V), including normally flooded, flat plate, spiral or gel batteries; It is based on the standard of EN, DIN, SAE, BCI, GB, CA, and IEC, support the starting and charging system test, as well as the generator test, to check the generator output voltage, rectifier diode, charging current is a normal condition. B. Wide Compatibility Digital Battery Tester: This battery tester is updated with advanced conductance test technologies, the results of this alternator tester include SOC, current, rated power, resistance, idle voltage, charge voltage, charge ripple value, etc., especially compatible with cars, motorcycles, heavy trucks, boats, etc., accurately and quickly measure the actual cold start ampere values, battery starting ability and healthy condition. C. Unique Design With Color Screen: BT-30 battery analyzer is specially designed with a 2.36 inch color TFT screen with skeuomorphic design, 3 LED lights for display, 5 large rubber game controller buttons, comfortable holding design, large menu control display in color. D. Useful Smart Device And Problem Solving: The conductivity directly correlates with the battery capacity, and this battery tester device will not discharge or drain the battery. BT-30 battery tester automotive can also be used to test the condition of a discharged battery, and its passive test is safe to use. No internal batteries are required for this device, as it turns on as soon as it is connected to the terminals of the battery under test. E. Colour: Black & Green F. Material: ABS G. Package Contents: 1 x Battery Tester H. Only the above package content, other products are not included. I. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.