The CHEPQ V321 2-in-1 Battery & OBD-II Diagnostic Scanner is a compact and versatile diagnostic tool designed for essential vehicle maintenance. Combining 12V battery testing with core OBD2 engine diagnostics, the V321 offers reliable functionality for drivers, repair shops, and professionals seeking quick, accurate fault detection.

With full support for reading and erasing engine fault codes, fault code inquiry, and real-time data streaming, the V321 helps users identify engine issues efficiently. Additional capabilities include oxygen sensor testing, real-time curve display, fault freeze-frame analysis, and detailed test reports, providing a clearer understanding of vehicle performance.

The built-in 12V battery test evaluates battery health and starting performance, making the device suitable for routine maintenance and troubleshooting. The scanner also supports EVAP system checks, I/M readiness, vehicle information retrieval, Cloud Print, and convenient data storage for future review.

Equipped with a bright 2.4" color screen and multilingual support—English, German, French, Spanish, Italian, Russian, Chinese, Japanese, Polish, Portuguese—the V321 is designed for easy operation and global usability.

Reliable, lightweight, and practical, the CHEPQ V321 provides essential diagnostic power in a compact form, making it ideal for everyday automotive maintenance across all OBD-II compliant vehicles.