1.High-Precision Measurement: Equipped with a 4.5-digit precision measurement system, it enables accurate detection of core parameters such as battery internal resistance, providing strong support for the reliability of measurement results.

2.Versatile Measurement Functions: Centered on battery internal resistance measurement, it also integrates common multimeter measurement items like voltage measurement. The internal resistance measurement supports a maximum voltage of ±100V and is equipped with a manual adjustment function, adapting to measurement needs in different scenarios.

3.Intelligent Alarm Prompt: When the measured value is detected to exceed the preset range, the device will automatically trigger an alarm prompt, helping users quickly determine whether the status of the measured object (such as a battery) is normal and improving detection efficiency.

4.Flexible Setting Adaptation: Supports users to custom-modify various parameter settings of the multimeter. The device mode can be adjusted according to different measurement scenarios and personal usage habits, enhancing operational adaptability.

5.Portable & Fast-Charging Design: Adopting a compact body design, the device is easy to carry around. It has a built-in rechargeable polymer lithium battery, and a Type-C charging interface is equipped on the back of the body, enabling convenient and efficient charging to ensure the device is always ready for use.

6.Rich Accessory Configuration: In addition to conventional test leads, it is also equipped with accessories such as a temperature probe, data cable, and a set of aviation plug clips, meeting the needs of various measurement scenarios.