Professional Car Diagnostic Tools for Modern Mechanics

KONNWEI delivers high-precision OBD2 scanners, battery testers, TPMS tools, and full-system diagnostics trusted by professionals worldwide. Engineered in Shenzhen since 1998.

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Battery Diagnostics

Advanced 12V battery analysis with real-time health monitoring and charging support.

Full OBD2 Coverage

Supports EOBD, CAN, and legacy protocols across 90% of vehicles worldwide.

R&D Excellence

In-house development, SMT production lines, and ISO9000-certified quality control.

About KONNWEI

Shenzhen Jiawei Hengxin Technology Co., Ltd (Registered Brand KONNWEI®) was established in 1998, focusing on electronic technology and specializing in auto code readers, car diagnostic tools, battery testers, and automotive electronics.

We are a high-tech enterprise with full capabilities in R&D, production, and marketing. Our factory features advanced SMT automatic patch lines from Japan, Panasonic automated production systems, and strict adherence to ISO9000 and international quality standards.

With a motto of “Self-improvement, perseverance, innovation, pragmatic effectiveness,” KONNWEI continues to serve the global automotive industry with reliable, cutting-edge diagnostic solutions.

Our Products

Precision-engineered tools for every automotive diagnostic need.

KW860 OBD2 Scanner

Unique code reader with I/M Readiness, CAN diagnostic scan tool for engine fault detection.

Full OBD2 Protocol Support
I/M Readiness Check
CAN Bus Compatible

KW808 EOBD Scanner

Auto diagnostic scanner for EOBD/OBDII systems with fast response and accurate readings.

EOBD & OBDII Support
Real-Time Data Streaming
Compact Handheld Design

KW590 OBDII Scanner

Vehicle engine diagnosis code reader with intuitive interface and fast diagnostics.

Multi-System Diagnosis
Quick Code Retrieval
Durable ABS Housing

KW680 OBDII Scanner

Equipped with 2.4-inch colorful screen for clear data visualization and diagnostics.

2.4" Color Display
Live Sensor Data
Freeze Frame Support

KW600 Battery Analyzer

Professional auto battery analyzer for all 12V vehicles with health assessment.

12V System Compatible
Cold Cranking Amps Test
Voltage & Resistance Check

Bluetooth ELM327

Wireless OBD2 scanner for smartphone diagnostics with stable Bluetooth 5.0.

Bluetooth 5.0 Connectivity
App Integration
Low Power Consumption

Car HUD & OBD2 Scanner

Heads-up display with integrated OBD2 diagnostics for real-time driving data.

Projected Speed & RPM
Fuel Efficiency Metrics
Auto-Dimming Display

TPMS Diagnostic Tool

Tire pressure monitoring system tool for sensor activation and diagnostics.

Sensor Relearn Function
Multi-Brand Support
Wireless Signal Detection

Why Choose KONNWEI?

Engineered for reliability, precision, and professional performance.

Advanced R&D

In-house development team with years of automotive electronics expertise.

Automated Production

Panasonic and Japanese SMT lines ensure consistent, high-quality manufacturing.

ISO9000 Certified

Strict quality control aligned with international standards and regulations.

Global Support

Distributors and service centers worldwide for fast assistance and updates.

Frequently Asked Questions

Are KONNWEI scanners compatible with all car models?

KONNWEI OBD2 scanners support all vehicles compliant with OBD2/EOBD standards (post-1996 gasoline and post-2004 diesel in the US). Some models offer extended coverage for European and Asian brands.

How do I update my KONNWEI device?

Visit the official KONNWEI website to download the latest update tool and firmware. Follow the instructions in the user manual for a seamless update process.

What is the warranty period?

KONNWEI offers a standard 12-month warranty on all products. For repair or replacement, contact your local distributor or the official support team.

Can I use the Bluetooth scanner with iOS and Android?

Yes, KONNWEI ELM327 devices are compatible with most OBD2 apps on both iOS and Android platforms via Bluetooth pairing.

Contact KONNWEI

For inquiries, support, or partnership opportunities.

Email:

konnwei@konnwei.com
konnwei01@konnwei.com
konnwei02@konnwei.com
konnwei03@konnwei.com
konnwei04@konnwei.com
konnwei05@konnwei.com
konnwei06@konnwei.com

Phone: +86 0755-83976968 (Mon–Fri, 9am–5pm PST)

Fax: +86 0755-83976998

Sales Office: Room 715, 7th Floor, Software Building, No. 9, Gaoxin Middle 1st Road, Science and Technology Park, Nanshan District, Shenzhen, China.

Factory: Floor 4 & 5, Building 6, Education North Road No.49, Gaoqiao Community, Pingdi Street, Longgang District, Shenzhen, China.

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