🔍 Unleash the Power of Precision Testing! Quickly assess battery status and health. Accurate readings for optimal battery health. Lifetime updates via KONNWEI BTlink app. Works with all 12V battery types. 2.4in LCD for easy data visualization. Real-time waveform 100-2000 CCA Lifetime updates The KONNWEI KW600 Professional Car Battery Tester is a cutting-edge diagnostic tool designed for both beginners and experts. It accurately analyzes car battery data, including voltage, internal resistance, and cold cranking amps, ensuring you have the insights needed for effective vehicle maintenance. With its wide compatibility, user-friendly interface, and lifetime software updates, this tester is essential for anyone serious about automotive care.