TopDiag BT400 4-in-1 Automotive Diagnostic Tool

The BT400 is a multifunctional automotive diagnostic tool integrating four key functions: battery replacement, automotive circuit leakage detection, OBD voltage monitoring, and battery life assessment. It features a 1.77-inch TFT display, an intuitive user interface, and multilingual support.

Power clamp cable interface, OBD interface

Operating voltage: 8~30VDC

Leakage current detection range: 15mA ~ 5Amps

Battery CCA detection range: 20 ~ 2000CCA

Built-in auto-reset circuit breaker cut-off current: 5Amps

Automatically records leakage duration up to 30 minutes; current values and waveforms can be played back via the device

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BT400-English Manual.pdf
BT400 Video Center
BT400 Update Package