TopDiag BT400 Multifunctional Battery Tester

The TopDiag Battery Tester BT400 is a versatile 4-in-1 battery tester suitable for both 12V and 24V batteries. The device offers comprehensive testing capabilities, including battery tests, start and charging system tests, parasitic current detection, and OBD voltage monitoring. With its compact design and user-friendly interface, the BT400 is ideal for both professional mechanics and DIY enthusiasts.

Thanks to the clear LCD screen, test results are clearly displayed, including information on battery voltage, internal resistance, cold cranking amps (CCA), state of charge (SOC), and overall health (SOH). The Battery Tester BT400 supports multiple battery types and standards, making it a versatile diagnostic tool.

Features:

• Battery Tester: Analyzes the health status, voltage, internal resistance, and capacity of the battery.

• Start/charge system test: Evaluates the performance of the vehicle's start and charge system.

• Leak current detection: Detects leak currents between 15 mA and 5 A to identify electrical leaks.

• OBD voltage check: Checks voltage via the OBD port to preserve ECU data during battery replacements.

Special features:

• Memory retention during battery replacement: Ensures ECU settings are retained during battery replacement.

• Automatic battery type detection: Automatically detects the type of connected battery for accurate test results.

Supported batteries:

• Battery types: Lead acid, AGM (flat plate and spiral), GEL, EFB, VRLA

• Battery standards: CCA, CA, BCI, MCA, DIN, IEC, EN, SAE, JIS, GB

Package contents:

• TopDiag BT400 Multifunctional Battery Tester

• USB-A - Micro USB-B adapter cable

• Manual

• Storage bag

Technical specifications