Feature: 1. 【Portable \u0026amp; Ergonomic Design】: Lightweight and compact, the tester is designed for portability, making it perfect for fieldwork and on-the-go maintenance tasks. The ABS impact-resistant housing, foldable stand, and rear mounting hole ensure long durability and stable operation, and the silicone cover provides an ergonomic grip for user comfort. 2. 【Comprehensive Functionality】: The multifunctional design supports voltage measurement, resistance measurement, sorting, data storage, history data export, buzzer alarm, auto power off, user calibration, and firmware upgrade, simplifies battery assessment processes, and greatly improves work efficiency. 3. 【TFT Display \u0026amp; User-Friendly Design】: The intuitive TFT color display provides a clear and quick visualization of function data. The sorting function supports eight groups of preset voltage and resistance values to quickly identify both batch screening of fine-quality batteries and the precise location of problematic batteries. Customizable auto-shutdown settings allow users to optimize power consumption and device longevity according to their specific needs. 4. 【Efficient \u0026amp; Accurate Measurement】: Utilizing a Kelvin 4-wire connection method, the HRM-10 ensures highly accurate internal resistance and voltage readings (0mΩ~200Ω, 0V~±100V), free from wire and contacting resistance interference. Its data retention and PC export capabilities allow for comprehensive recording and analysis of test results, enhancing efficiency and accuracy. 5. 【Versatile Battery Testing Solution】: Suitable for various battery types, such as lithium batteries, leadacid batteries, carbon-zinc batteries, alkaline batteries, button cells, 18650 lithium-ion batteries, smartphone batteries, electric vehicle batteries, and car batteries. The HRM-10 is a comprehensive diagnostic tool for various industries and applications, from automotive repairs to DIY projects. Specification: This 4-wire battery tester supports voltage measurement, resistance measurement, sorting, data storage, history data export, buzzer alarm, auto power off, user calibration, and firmware upgrade. The intuitive TFT color display provides a clear and quick visualization of function data. The sorting function supports eight groups of preset voltage and resistance values to quickly identify both batch screening of fine-quality batteries and the precise location of problematic batteries. Its data retention and PC export capabilities allow for comprehensive recording and analysis of test results. Suitable for various battery types. Features: 【Portable & Ergonomic Design】: Lightweight and compact, the tester is designed for portability, making it perfect for fieldwork and on-the-go maintenance tasks. The ABS impact-resistant housing, foldable stand, and rear mounting hole ensure long durability and stable operation, and the silicone cover provides an ergonomic grip for user comfort. 【Comprehensive Functionality】: The multifunctional design supports voltage measurement, resistance measurement, sorting, data storage, history data export, buzzer alarm, auto power off, user calibration, and firmware upgrade, simplifies battery assessment processes, and greatly improves work efficiency. 【TFT Display & User-Friendly Design】: The intuitive TFT color display provides a clear and quick visualization of function data. The sorting function supports eight groups of preset voltage and resistance values to quickly identify both batch screening of fine-quality batteries and the precise location of problematic batteries. Customizable auto-shutdown settings allow users to optimize power consumption and device longevity according to their specific needs. 【Efficient & Accurate Measurement】: Utilizing a Kelvin 4-wire connection method, the HRM-10 ensures highly accurate internal resistance and voltage readings (0mΩ~200Ω, 0V~±100V), free from wire and contacting resistance interference. Its data retention and PC export capabilities allow for comprehensive recording and analysis of test results, enhancing efficiency and accuracy. 【Versatile Battery Testing Solution】: Suitable for various battery types, such as lithium batteries, leadacid batteries, carbon-zinc batteries, alkaline batteries, button cells, 18650 lithium-ion batteries, smartphone batteries, electric vehicle batteries, and car batteries. The HRM-10 is a comprehensive diagnostic tool for various industries and applications, from automotive repairs to DIY projects. Specifications: Name: Battery Internal Resistance Tester Material: ABS Measurement voltage: 0 to ±100V Measurement resistance: 0-200Ω Instrument test signal frequency: AC 1Khz Charging interface: TYPE-C (5V/1A) Battery: Built-in 1000mAh lithium battery (included) User calibration: Support Sorting mode: Support History record: Support Work