Automotive Battery Analyzer – CHEPQ BT400 Battery Tester with ECU Memory Saver
The CHEPQ BT400 Automotive Battery Analyzer is a professional 4-in-1 automotive diagnostic tool designed for mechanics, auto electricians, fleet maintenance technicians, and repair workshops. It combines battery testing, ECU memory saving during battery replacement, OBD port voltage testing, and leakage current detection into one compact handheld device.
Whether you're replacing a battery without losing vehicle memory, diagnosing charging problems, checking OBD pin voltage, or locating parasitic battery drain, the Automotive Battery Analyzer delivers fast, accurate, and professional results that improve efficiency and reduce repair time.
4-in-1 Professional Diagnostic Functions
The CHEPQ BT400 Automotive Battery Analyzer includes:
Battery Health Test
Battery Replacement with ECU Memory Saver
OBD-II Pin Voltage Test
Leakage Current Detection
Cranking System Test
Charging System Test
Battery Voltage Measurement
Battery Capacity Analysis
Waveform Recording
Diagnostic Report Review
These professional functions make the BT400 an ideal solution for complete battery and electrical system diagnostics.
Battery Replacement with ECU Memory Saver
Replace your vehicle battery without losing important electronic settings.
The ECU Memory Saver protects:
Radio Presets
Clock Settings
ECU Memory
Vehicle Adaptation Data
Electronic Configuration
Driver Preferences
This feature helps eliminate the need for system reprogramming after battery replacement.
Professional Battery Health Analysis
Quickly evaluate battery condition using advanced battery diagnostics.
Measure:
Battery Voltage
State of Health (SOH)
State of Charge (SOC)
Cold Cranking Amps (CCA)
Battery Capacity
Overall Battery Condition
The analyzer supports multiple battery rating standards including CCA, SAE, DIN, IEC, EN, JIS, MCA, CA, and BCI.
Leakage Current Detection
Locate hidden battery drains quickly using the built-in leakage detection system.
Features include:
Parasitic Drain Detection
Current Leakage Measurement
Live Current Monitoring
Waveform Recording (up to 30 minutes)
Playback Function
This allows technicians to identify electrical leaks without unnecessary disassembly.
OBD-II Voltage Testing
The BT400 checks the voltage of each OBD-II connector pin, allowing technicians to verify communication and power circuits.
Ideal for diagnosing:
OBD-II Power Supply
Communication Pin Voltage
ECU Power Issues
DLC Connector Problems
Electrical Communication Faults
This feature speeds up troubleshooting of diagnostic communication issues.
Charging & Cranking System Testing
Verify the condition of your vehicle's starting and charging systems.
Test:
Alternator Output
Charging Voltage
Starter Performance
Cranking Voltage
Charging System Health
These tests help prevent unexpected battery failures and charging issues.
Wide Vehicle Compatibility
The CHEPQ BT400 Automotive Battery Analyzer supports:
Passenger Cars
SUVs
Pickup Trucks
Commercial Trucks
Vans
Fleet Vehicles
Agricultural Equipment
Light Commercial Vehicles
Compatible with 12V and 24V batteries and supports battery ratings from 20–2000 CCA.
Why Choose the CHEPQ BT400 Automotive Battery Analyzer?
The CHEPQ BT400 Automotive Battery Analyzer combines battery testing, ECU memory saving, OBD-II voltage diagnostics, leakage current detection, cranking analysis, and charging system testing into one professional device. Its advanced features help technicians diagnose electrical and battery problems quickly while protecting vehicle memory during battery replacement.
Frequently Asked Questions (FAQs)
1. What is the CHEPQ BT400 Automotive Battery Analyzer used for?
It performs battery health testing, battery replacement with ECU memory saving, OBD-II voltage testing, leakage current detection, and charging system diagnostics.
2. Does it support ECU memory saving during battery replacement?
Yes. The BT400 maintains ECU memory and electronic settings while replacing the vehicle battery.
3. Can it detect battery drain?
Yes. It detects parasitic current draw, records leakage waveforms for up to 30 minutes, and helps locate hidden electrical leaks.
4. Can it test the OBD-II port?
Yes. It measures the voltage of individual OBD-II connector pins to verify communication and power circuits.
5. Does it test the charging and starting systems?
Yes. It performs alternator, charging system, and cranking tests to evaluate overall battery performance.
6. Which battery types are supported?
It supports most 12V and 24V lead-acid batteries with testing standards including CCA, SAE, DIN, IEC, EN, JIS, MCA, CA, and BCI.
7. Is it suitable for professional mechanics?
Yes. It is designed for automotive workshops, dealerships, fleet maintenance technicians, battery service centers, and experienced DIY users.
8. Why choose the CHEPQ BT400 Automotive Battery Analyzer?
It combines four essential diagnostic functions—battery testing, ECU memory saving, OBD voltage testing, and leakage detection—into one professional tool, making it an efficient solution for modern automotive electrical diagnostics.
