Konnwei AE300 Digital Battery Analyzer LCD Car System Analysis NonDestructive Battery Indicator Tester for black

Feature: 1. Designed for any 12V battery, no internal battery is required, and power is directly obtained from the vehicle battery. Continuous testing will not damage the battery and provide safe operation. 2. Analysis of four battery indicators, including battery status, CCA value, voltage value and resistance, the bar graph range indicates the battery capacity, and the indication range is 0percent ?100percent . 3. Portable design, stable and shockproof, built?in tone reminder function and large backlit LCD screen make the test more convenient and read data easier. 4. Based on the sonar reflection principle, all indicators of the battery are analyzed through a special alternating current signal to obtain very accurate test results. 5. Heav