- Extended Measurement Range: Measure battery voltages up to ±120 V and perform internal resistance tests up to 500 V. Compatible with various battery types including lead-acid, lithium, nickel-cadmium, and alkaline batteries. - Automatic Resistance Range Switching: The device features a 6 automatic switching function that intelligently adjusts to the resistance range of different batteries, making testing straightforward and user-friendly. - Large Dual-Display Screen: The large screen simultaneously shows both main and secondary values in a clear, two-digit format, providing a comprehensive view of tester results for better understanding. - User Self-Calibration: Ensure precise and accurate test results with the built-in self-calibration function. This feature promotes high accuracy for consistent measurements. Practical Applications: - Ideal for automotive technicians testing car batteries to ensure reliability and performance before road trips. - Useful for hobbyists and professionals managing multiple battery types at workshops, ensuring compatibility and efficiency. - Perfect for home use, allowing users to monitor the health of household batteries consistently. This tester stands out for its versatility, precise measurements, and user-friendly features, making it an essential tool for both professionals and everyday users.