IR502 Battery Internal Resistance Tester 0.000m~500 High Precision Calibratable Lead Acid Alkaline Lithium Battery ,Precision

Wider measurement range: ±120V battery , 500 battery internal resistance measurement and can test more types of batteries, including lead-acid batteries, lithium batteries, nickel-cadmium batteries, alkaline batteries, etc. 6 Resistance Range Automatic Switching function, which can automatically adapt to the resistance range of different batteries, making it convenient for users to test. 3.2 Large-screen: it can display the main and secondary dual-digit readings at the same time, allowing users to understand the test results more clearly. It has user self-calibration function to ensure high precision and accuracy of test results. The device is equipped with a backlight display and LED flashlight lighting function, allowing users to operate easily in dim environments.