Battery Voltage Internal Resistance Tester 18650 AC Acid Lithium Lead Car Battery Capacitor Tester ,Practical Functions

1. **Versatile Resistance Measuring**: The Battery Voltage Internal Resistance Tester features a resistance measuring range of 0-200 ohm, making it an essential Resistance Tester for evaluating various battery types, including 18650 lithium batteries, lead-acid car batteries, and capacitors 2. **Automatic Resistance Gears**: This advanced Resistance Tester comes with automatic resistance gear of 20 m, 200 m, 2 , 20 , and 200 , ensuring accurate measurements tailored to your specific needs, with an impressive accuracy of ±0.5% 3. **User-Friendly Calibration & Data Management**: Designed with user calibration support and history record functions, this Resistance Tester allows you to easily track and export recorded data, enhancing the efficiency of your testing processes 4. **Rechargeable and Portable Design**: Equipped with a built-in 1000mAh lithium battery and Type-C charging interface (5V/1A), this compact Resistance Tester is for on-the-go use, weighing only 225g for ultimate portability 5. **Robust Working Conditions**: Whether in extreme temperatures or varying humidity levels, this Resistance Tester operates reliably in environments ranging from -10°C to +45°C with less than 80% relative humidity, ensuring consistent performance in diverse conditions