Accurately analyze battery health with the High-Precision Battery Voltage and Internal Resistance Tester, designed for 18650 lithium, lead-acid, and car batteries. This advanced digital battery tester measures real-time voltage, internal resistance, and capacity to quickly assess battery performance and condition.

Ideal for use in automotive, repair, and electronic testing, it helps you identify weak or aging batteries before they fail. Built with a high-accuracy microprocessor, clear LCD display, and fast AC signal testing, this compact diagnostic tool provides professional-grade accuracy for hobbyists, technicians, and mechanics.

Key Features

Multi-Type Compatibility: Works with 18650 lithium, lead-acid, and car batteries.

High-Precision Measurement: Accurately reads voltage and internal resistance in real-time.

AC Signal Testing Method: Provides more accurate results than traditional DC tests.

Wide Measurement Range: Supports multiple battery voltages (1.2V–12V and above).

Instant Readout: Large LCD screen shows detailed battery condition clearly.

Portable & Durable Design: Lightweight, compact, and built for workshop or field use.

Essential Diagnostic Tool: Perfect for automotive service, battery testing, and maintenance.

FAQs

Q1: What types of batteries can it test?
It supports 18650 lithium, lead-acid, lithium-ion, NiMH, and car batteries.

Q2: How does it measure internal resistance?
It uses a precision AC testing signal, ensuring more accurate and stable readings.

Q3: What is the measurement range?
Voltage range: 1.2V–12V+, Resistance range: 0.1–200 milliohms (model dependent).

Q4: Does it require calibration?
No, it’s factory-calibrated and ready for use out of the box.

Q5: Is it suitable for professional workshops?
Yes, it’s widely used in auto repair shops, battery factories, and electronics labs.