The CHEPQ V311B 12V Professional Battery Tester is a compact and efficient diagnostic device designed to deliver fast, reliable, and highly accurate battery analysis. Built for workshops, mobile technicians, and car owners, the V311B supports a wide range of 12V battery types, including Ordinary Flooded, AGM Flat Plate, AGM Spiral, EFB, and GEL batteries, covering most modern passenger vehicles.

With a 100–2000 CCA detection range, the tester provides comprehensive insights into battery condition and performance. Users can quickly perform voltage testing, capacity evaluation, battery health assessment, cold cranking testing, charging system diagnostics, and internal resistance measurement. These functions help identify early battery failure, verify battery replacement necessity, and reduce unexpected vehicle downtime.

Equipped with a 2.8-inch color display, the V311B ensures sharp visibility and intuitive navigation in any environment. The device supports multilingual operation—including English, Chinese, Portuguese, Italian, French, German, Spanish, Polish, and Russian—making it suitable for global markets. The integrated cloud print function further enhances workflow efficiency, enabling instant sharing of test results and professional reports.

Designed for accurate diagnostics and easy operation, the CHEPQ V311B is an essential tool for maintaining optimal battery performance in all 12V automotive systems.