T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay
T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay
T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay

T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay

8785.0 INR/Piece

Product Details:

  • Working Life Over 10,000 Uses
  • Display Type 3.5-inch HD Color Screen
  • Weight Approx. 300g
  • For Use In Automobiles and Motor Vehicles
  • Surface Treatment Textured Finish
  • Vehicle Type Passenger Cars, Light Trucks, SUVs
  • Model No T400
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T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay Price And Quantity

  • 8785.0 INR/Piece
  • 1 Piece

T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay Product Specifications

  • 3-in-1 OBD2 Scanner, Battery Analyzer, Circuit Tester
  • Textured Finish
  • Automobiles and Motor Vehicles
  • Up to 24V System Support
  • Silent Operation
  • 3.5-inch HD Color Screen
  • Approx. 300g
  • Black and Red
  • Over 10,000 Uses
  • OBD2 Interface, Clamp for Battery, Relay Socket
  • -20C to 60C
  • Yes
  • 175mm x 96mm x 32mm
  • Proprietary Embedded System
  • Matte
  • Diagnostic Tool
  • Standard Compact
  • Electronic Diagnosis
  • ABS Plastic and Electronic Components
  • T400
  • Passenger Cars, Light Trucks, SUVs
  • 6V-24V
  • Multi-Language (English, Spanish, French, etc.)
  • CAN, ISO9141, KWP2000, J1850
  • USB Firmware Upgradeable
  • Yes, with Dedicated Socket
  • Yes, Pulse Output for Injector Diagnosis
  • OBD2 Diagnostics, Battery Analysis, Circuit/Injector/Relay Testing
  • Built-in Memory for Test Results
  • Vehicle Battery (via OBD2 or Direct Clamp)
  • 12V Lead-Acid, AGM, GEL, EFB
  • 320 x 240 pixels

Product Description

Ultimate 3-in-1 Diagnostic Suite Combines a full OBDII scanner, professional battery analyzer, and advanced circuit/signal tester in one device.

Advanced Component Testing Capable of performing specialized tests such as Injector testing, Relay testing, and Load testing for deep electrical diagnosis.

Large 3.5-inch HD Display Equipped with a high-definition color screen and multi-functional shortcut keys (F1, F2, F3) for a superior user experience.

Intelligent Vehicle Matching Supports automatic VIN scanning and intelligent matching to quickly access the correct diagnostic path for your vehicle.

Professional Hardware Design Built for the workshop with 3 status LEDs, Type-C upgrade port, and a robust handheld form factor.

Full Product Description:

Item No: T400

T400 Professional 3-in-1 Diagnostic Platform

The T400 is the flagship of the T-series, offering a comprehensive 3-in-1 solution for automotive diagnostics. It bridges the gap between traditional scanning and deep electrical system verification with its integrated circuit and signal testing capabilities.

Three Pillars of Diagnostics

OBDII Engine Diagnostics with Auto-VIN

Professional Battery Health & Charging Analysis

Advanced Circuit Tester with Signal Output

Specialized Electrical Tests

Fuel Injector Testing

Relay Performance Test

Signal Simulation & Output

Electrical Load Testing

Vehicle Component Activation

Advanced Hardware Features

Screen: 3.5-inch HD High-Definition color display

Status: Triple LED indicators (Red/Yellow/Green)

Power: 8V to 30V DC operating range

Upgrades: Type-C port for online updates

Dimensions: 190mm x 95mm x 35mm

Package Contents

1 x T400 Unit

1 x OBDII Diagnostic Cable

1 x Battery Test Lead

1 x Relay Test Cable

1 x USB Upgrade Cable

1 x User Manual



Comprehensive Diagnostic Functions

The T400 3-in-1 device integrates OBD2 diagnostics, advanced battery analysis, and thorough circuit, relay, and injector testing in a single, portable unit. Its 3.5-inch HD display presents results clearly while supporting a broad spectrum of vehicles and systems.


Effortless Data Access & Storage

With built-in memory for storing test results, the T400 allows you to review and compare historical data directly on the device. Its user-friendly interface is enhanced by multi-language support, making it accessible to users worldwide.


Rugged and Reliable Build

Constructed from high-grade ABS with a textured matte finish, the T400 is corrosion-resistant and built for longevity, boasting over 10,000 uses. Its compact form factor and silent operation make it suitable for both workshop and on-the-go diagnostics.

FAQ's of T400 3-in-1 OBD2 Scanner Battery Analyzer Circuit Tester 3.5in HD Screen Injector Relay:


Q: How do I connect the T400 3-in-1 OBD2 Scanner to my vehicle?

A: To connect the T400, attach it to your vehicle's OBD2 port for diagnostics, or use the direct clamp cables for battery analysis. The relay socket and specialized interfaces enable quick testing of relays and injectors with secure connectivity.

Q: What types of vehicles are compatible with the T400 scanner?

A: The T400 is designed for use in passenger cars, SUVs, and light trucks that comply with OBD2 standards, supporting popular protocols like CAN, ISO9141, KWP2000, and J1850. Both 12V systems and vehicle models with systems up to 24V are supported.

Q: When should I use the battery analysis function?

A: You should use the battery analysis function whenever you notice issues like slow engine cranking, warning lights, or before long journeys. The T400 supports 12V lead-acid, AGM, GEL, and EFB batteries, offering precise health diagnostics within its 6V-24V range.

Q: Where can I access my test results after running diagnostics?

A: Test results are automatically stored in the T400's built-in memory. You can access and review historical diagnostics directly on its 3.5-inch HD screen without the need for external devices, ensuring convenient data management.

Q: What is the process for updating the T400's firmware?

A: You can update the T400 via a USB connection to your computer. Download the latest firmware from the manufacturer's website and follow the on-screen instructions to ensure your device is up to date with new features and vehicle compatibility.

Q: How does the T400 benefit automotive professionals and DIYers?

A: The T400 combines multiple diagnostic functions-OBD2 scanning, battery analytics, circuit, relay, and injector testing-into a single device, improving workflow and efficiency while reducing the need for multiple separate tools.

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