AUNMAS Battery Checker Tester Digital Battery Analyzer 4 Wire AC Sine Measurement for Accurate Readings for Ni MH Ni CD Li ion LiFePO Batteries Internal Ohm Voltage Meter

1. Advanced Measurement Technology: This battery tester employs a true 4 wire AC sine measurement, effectively suppressing the impact of test leads and contacting resistor. This assures you of accurate readings, making it a tool for electrical measurements. 2. Functional Interfaces: Battery voltage meter comes with 2 functional interfaces, supporting battery sorting functions. This feature provides a streamlined process for battery management, making it a convenient tool for various electrical tasks. 3. Built in Battery and Power Saving: Battery analyzer features a built in battery and supports mobile power bank charging. With its low power consumption and numerous power saving options, it ensures long lasting performance, reducing the frequency of recharging. 4. Wide Range: The battery internal ohm meter supports testing up to 200 ohms, with a minimum resolution of 0.01 milliohms and less than 5 milliohms. By pressing the hold button, the ZR function is activated to measure small internal resistor as low as 0.30-0.50 milliohms. 5. Versatile Battery Compatibility: It can test a variety of batteries including lithium ion, lithium polymer, LiFePO, NI-MH, Ni-Cd batteries, and more. With the ZR function, measurements below 5 ohms are even more accurate. Spec: Item Type: Battery tester Material: ABS Weight: Approx. 320.00g / 11.29oz Testing Range: 0-100V DC Battery: Lithium ion battery, 2500mAh (shipped with built in battery) Range: 20mΩ, 200mΩ, 2Ω, 20Ω, 200Ω Maximum Resolution: 0.01mΩ, 0.1mΩ, 1mΩ, 10mΩ, 0.1mΩ Range: 1V, 10V, 100V Temperature Drift within normal operating temperature range (10°C-40°C) 100ppm/°C Display: Internal resistor number: 2000 counts; Voltage number: 99999 counts, Updated 4 times per second Temperature: Operating temperature: 10°C-40°C, storage temperature: -20°C-60°C, Internal resistor temperature coefficient: 0.1* (specific accuracy) / °C (28 ℃) How to Use: Refer

• [Precision Measurement Technology] This advanced battery tester utilizes true 4 wire ac sine measurement technology that effectively eliminates interference from test leads and resistance. with its exceptional accuracy down to 0.01 milliohms resolution and temperature stability within 100ppm/°c, it delivers laboratory-grade precision for professional battery analysis and quality control purposes.
• [User-friendly Operation] The large backlit display shows both resistance (updated 4 times per second) and voltage readings simultaneously. with intuitive controls including hold function and temperature compensation (10°c-40°c operating range), this analyzer simplifies complex battery testing procedures into straightforward operations suitable for both professionals and enthusiasts.
• [Extensive Battery Compatibility] Engineered to test a wide range of battery types including lithium ion, lithium polymer, lifepo4, nimh, and nicd batteries. the intelligent auto-ranging function combined with high 2000-count resolution display ensures accurate measurements regardless of battery chemistry, for technicians, engineers, and battery maintenance professionals.
• [Multifunctional Testing Capabilities] Designed as a comprehensive battery diagnostic tool, this device features dual functional interfaces for both voltage measurement (0-100v dc) and internal resistance testing (up to 200ω). the innovative zr function enables ultra-precise measurement of small internal resistors as low as 0.30-0.50 milliohms, making it ideal for battery sorting and performance evaluation across various applications.
• [Long-lasting Portable Design] Built with a durable abs casing and integrated 2500mah lithium ion battery that supports mobile power bank charging. featuring optimized power management with multiple energy-saving modes, this portable tester offers extended operation time between charges, making it reliable for fieldwork and on-site testing scenarios.