T300Pro: Professional OBD II Scanner & Advanced Battery Analyzer
The T300Pro is a comprehensive diagnostic solution for cars with OBD II ports, designed to handle the complexities of modern vehicle maintenance. It features an expansive 50,000-entry DTC database and advanced Cloud Printing capabilities, allowing technicians to generate and share professional reports instantly.
With its newly integrated battery life detection and support for both automotive and motorcycle systems, the T300Pro ensures that no fault—whether in the ECU or the electrical circuit—goes undetected.
The T300Pro Advantage
Enhanced Engine Diagnostics: Perform full-system scans on cars with OBD II ports, including Mode 6 and Mode 8 tests, O2 sensor monitoring, and I/M readiness. The Data Stream Recording feature allows you to capture and replay sensor performance to catch intermittent issues.
Intelligent Battery Health Module: Move beyond simple voltage checks. The T300Pro evaluates battery aging and performance across a massive 20–2000 CCA range, supporting global standards like JIS, SAE, and EN.
Motorcycle & Automotive Support: This versatile tool is optimized for a wide variety of vehicles, featuring dedicated modules for motorcycle battery testing and specialized capacity coverage from 10–300 AH.
Workshop Efficiency: Speed up your workflow with Year of Manufacture Recognition and customizable shortcut keys, designed to reduce operational steps in high-volume environments.
Cloud-Ready Reporting: Use the Cloud Printing function to manage maintenance records and provide clients with transparent, data-driven diagnostic results.
Core Capabilities
Comprehensive Fault Management: Read and clear codes with the support of a massive internal database.
System Testing: Conduct Start, Charge, and Load tests to verify the health of the alternator, starter, and battery simultaneously.
Rugged 2.8" TFT Display: The high-contrast color screen ensures perfect legibility even in low-light workshop conditions or direct sunlight.
Technical Parameters
Feature | Specification |
Model | T300PRO |
Compatibility | All cars with OBD II ports |
Display | 2.8-inch TFT Color (320 × 240) |
Supply Voltage | 8V – 24V |
CCA Range | 20 – 2000 CCA |
Database | 50,000 Fault Code Library |
Dimensions | 153 × 85 × 30 mm |
Update Type | USB Type-C |
Why Professionals Choose the T300Pro
Standard scanners often neglect the electrical foundation of the vehicle. The T300Pro ensures that for all cars with OBD II ports, you have a full view of both the digital engine data and the physical battery health. Its durable ABS housing and streamlined interface make it the ideal daily partner for automotive technicians.
Equip your workshop with the T300Pro—the high-efficiency diagnostic tool that masters both the code and the circuit.
- 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








