IR502 Battery Internal Resistance Tester 500 High Precision Calibratable for Electric Car Electro

Features: measurement range: 120V battery voltage, 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 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.Powered by 1200mAH lithium battery, it is economical, environmentally friendly and practical, providing users with long-term use and convenience.:Voltage:0.00V~120VInternal Resistance Measurement:0.000m~500Maximum Input Voltage:DC120V (non polarized), cannot input ACMeasuring Current:50mA~50uA ACMeasurement Speed:3 times\/secondMeasure Signal Frequency:1KHzVoltage Range Selection:Automatic\/manual selectionSelection Of Internal Resistance Range:Automatic\/manual selectionAutonomous Connection Optional: Measuring :Four line Kelvin testing User Self Calibration: Autonomous Factory Recovery: Battery Selection Criteria:Lead acid batteries, lithium batteries, nickelcadmium batteries, alkaline batteries, etcLighting Function: Other Functions:Low voltage detection, white backlight automatic shutdownMaterial: ABSColor: as shownPackage Contents:1 x IR502 Battery Tester1 X English User Manual1 x Charging Cable1 x Detection cable1 x Storage Cloth BagOnly the above package content, other products are not included.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.