Overview

The CHEPQ BT400 is an advanced multifunctional battery diagnostic tool that integrates Battery Replacement, OBD Voltage Testing, Leakage Detection, and Professional Battery Analysis. Designed for both everyday users and automotive technicians, the BT400 enhances accuracy, safety, and efficiency during electrical system diagnostics and battery-related maintenance.

Core Functions

Its key functions include Battery Replacement with ECU Memory Saved, OBD II PIN OUT Voltage Display, Current Leakage Detection with real-time monitoring, and 30-minute waveform/data recording. It also provides comprehensive battery analysis, startup testing, and charging system testing, making it a powerful all-in-one diagnostic solution.

Product Specifications

The BT400 features a compact ABS housing with a size of 134×45×30mm and a weight of 0.236kg. It is equipped with a 1.7-inch TFT color screen (128×160 resolution) for clear and reliable data visibility. Operating at 8–30V, it supports leakage current detection from 15mA to 5A, and a battery CCA detection range of 20–2000CCA. It is compatible with multiple battery standards including CCA, JIS, GB, SAE, MCA, CA, DIN, IEC, EN, and BCI. Data printing is set to NO, and software updates are supported through USB Port Upgrade.