T400 Elite Battery Diagnostic Tool – OBD2 Scanner & Vehicle Health Tester
The T400 Elite Battery Diagnostic Tool is a professional automotive diagnostic device designed for workshops and technicians. It features a 3.5-inch high-brightness display and combines OBD2 scanning, advanced battery diagnostic functions, and component testing in one tool.
With support for 1,400+ special functions, it delivers fast, accurate results for modern vehicle maintenance.
Three-in-One Professional Diagnostic System
1. Full-System OBD2 Diagnostics
Read/clear fault codes
Mode 6 & Mode 8 testing
Live data stream monitoring
Oxygen sensor analysis
DTC lookup & report sharing
Provides complete engine and system diagnostics for all major vehicles.
2. Advanced Battery Diagnostic Module
The T400 delivers precise battery diagnostic testing beyond simple voltage checks.
Battery Load Test
Charge Test
Startup Test
Alternator & starter check
Supports CCA, DIN, EN, IEC, JIS standards
20–2000 CCA range
Ensures accurate battery health evaluation in seconds.
3. Component Testing Functions
Fuel injector testing/cleaning
Relay testing
Signal output detection
Circuit-level fault identification
Helps locate exact electrical issues quickly.
Core Professional Features
Real-time waveform display (480 × 320 screen)
Supports 12V & 24V systems (8V–24V range)
Compatible with cars, bikes, and light trucks
OBD voltage detection
TYPE-C firmware updates
1,400+ built-in functions
Technical Specifications
Feature | Specification |
Model | T400 Elite |
Display | 3.5-inch TFT Color |
Resolution | 480 × 320 |
Functions | OBD2 + Battery Diagnostic + Component Testing |
Battery Range | 10–300 AH |
CCA Range | 20–2000 CCA |
Voltage | 8V–24V |
Special Functions | 1,400+ |
Size | 210 × 121 × 34 mm |
Why Choose the T400 Battery Diagnostic Tool?
Unlike basic tools that only measure voltage, the T400 provides a full battery diagnostic solution with load testing, charging analysis, and starter evaluation. It combines speed, accuracy, and advanced vehicle coverage in one device.
Ideal for professionals who need reliable diagnostics without guesswork.
- Return Policy
- Shipping Policy
1. 14-Day Return Guarantee
We offer a 14-day return window. You have 14 days from the date of delivery to request a return for your item.
2. Eligibility Criteria
To qualify for a return, the item must meet the following conditions:
The product must be in its original, unused condition.
All original packaging, tags, and accessories must be included.
A valid proof of purchase or order number is required.
3. Return Shipping Costs
Defective or Incorrect Items: If the return is due to a manufacturer defect, damage upon arrival, or the wrong item being sent, CHEPQ will cover all return shipping costs.
Change of Mind: For returns due to personal preference or accidental orders, the customer is responsible for the return shipping fees.
4. Return Process
Email service@chepq.com to initiate your return request.
Upon approval, you will receive specific instructions and the return warehouse address.
Do not send items back without prior authorization, as they will not be accepted.
5. Refunds
Once we receive and inspect your returned item, we will notify you of the approval or rejection of your refund. Approved refunds are processed automatically to your original payment method within 5–7 business days.
6. Contact Information
For any questions regarding shipping or returns, please reach us at:
Email: service@chepq.com












