Description

Technical Parameters

Product Overview

The High Voltage Battery Communication Harness is a critical connection component designed for high-voltage battery systems, enabling reliable communication and signal transmission between the Battery Management System (BMS), Battery Control Unit (BCU), sensors, controllers, and other electrical components.

Engineered for electric vehicles, energy storage systems, and industrial battery applications, this harness ensures stable data communication, excellent electromagnetic interference (EMI) protection, and long-term operational reliability in demanding environments. With optimized cable structures, automotive-grade connectors, shielding designs, and customized configurations, it helps improve battery system monitoring accuracy, safety performance, and overall operational efficiency.

Product Features

Reliable Communication Performance: Ensures stable and accurate signal transmission within battery systems, supporting communication protocols such as CAN, LIN, RS485, Ethernet, and customized solutions for efficient data exchange between battery modules and monitoring systems.

Advanced EMI Shielding Design: Adopts shielded cable structures, grounding protection designs, optimized signal routing, and anti-interference materials to effectively reduce electromagnetic interference generated during charging and discharging processes.

Automotive-Grade Reliability: Built with high-quality materials to withstand severe operating conditions, offering excellent resistance against vibration, mechanical stress, temperature fluctuations, moisture, dust, and long-term electrical aging.

High Safety Performance: Features reliable insulation protection, secure connector locking structures, stable terminal connections, flame-retardant materials, and high-voltage compatibility to minimize connection failures and enhance system safety.

Flexible Customization Capability: Comprehensive OEM and ODM services available for cable length, wire specifications, connector types, terminal configurations, communication interfaces, shielding requirements, harness routing designs, and assembly structures.

Product Structure

Communication Cable: High-performance cables ensuring low signal attenuation, low signal loss, and high durability for stable signal transmission.

Shielding Layer: Provides enhanced EMI resistance, improved signal integrity, and reliable grounding performance.

Automotive Connectors: High-quality connectors featuring strong mechanical locking, high connection reliability, excellent vibration resistance, and long service life.

Terminal System: Precision terminals ensuring high electrical conductivity, reliable crimping performance, and reduced contact resistance.

Protective Sleeves and Fixing Components: Offers mechanical protection, harness positioning, vibration reduction, and installation convenience.

Technical Advantages

Stable Signal Transmission: Optimized conductor materials and cable structures ensure precise transmission of voltage data, temperature data, battery status, fault signals, and control commands.

Superior Temperature Resistance: High-performance insulation materials provide heat resistance, cold resistance, and long-term environmental durability for high-temperature battery compartments.

Strong Environmental Adaptability: Designed to withstand continuous temperature changes, mechanical impacts, continuous vibration, and moisture exposure in industrial environments.

Precision Manufacturing Process: Undergoes strict raw material inspection, wire processing inspection, connector assembly inspection, electrical performance testing, and final product inspection.

Quality and Delivery Assurance

International System Certifications: Strictly follows global automotive and industrial manufacturing standards, certified under IATF 16949, ISO 9001, and ISO 14001 quality and environmental management systems, with products complying with RoHS, REACH, and UL flame-retardant safety standards to meet strict global entry requirements.

Scalable Capacity and Efficient Delivery: Equipped with highly automated harness processing and assembly lines alongside a professional engineering team, supporting rapid prototyping (standard samples delivered within 7 days) and stable high-volume supply to secure global supply chains and project timelines.

Applications

Electric Vehicles (EV): Widely utilized in passenger vehicles, commercial vehicles, and special-purpose electric vehicles for battery pack communication, BMS connection, sensor communication, and vehicle control system integration.

Energy Storage Systems (ESS): Suitable for internal communication connections within battery cabinets, battery clusters, energy storage modules, and power management systems.

Industrial Battery Systems: Applied across automated equipment, industrial vehicles, backup power systems, and specialized battery-powered machinery.

Product Specifications

Item	Specification
Product Name	High Voltage Battery Communication Harness
Application	High Voltage Battery Systems
Communication Protocol	CAN / LIN / RS485 / Ethernet / Customized
Cable Type	Shielded Communication Cable
Connector Type	Customized Automotive Connector
Operating Temperature	-40°C to +125°C (Customization Available)
Protection Features	EMI Shielding, Insulation Protection
Service Model	OEM / ODM Available

Quality Management & Testing Process

Material Inspection: Strict incoming quality control for all raw materials.

Process Monitoring: Dynamic monitoring and processing checks throughout the entire manufacturing flow.

Outbound Testing: Conducts continuity testing, insulation testing, electrical performance testing, connector checks, and assembly verification based on customer requirements before shipment.

Frequently Asked Questions

Q: What is a High Voltage Battery Communication Harness?

A: A High Voltage Battery Communication Harness is a wiring assembly used to transmit communication signals between battery components such as the BMS, BCU, sensors, controllers, and monitoring systems, ensuring real-time data exchange and reliable operation.

Q: What applications use High Voltage Battery Communication Harnesses?

A: They are widely applied in electric vehicles, hybrid vehicles, energy storage systems (ESS), industrial battery equipment, and battery management systems as essential components for monitoring and control.

Q: Can customized harness solutions be provided?

A: Yes. We offer comprehensive OEM and ODM customization services tailored to specific cable lengths, connector types, wire specifications, communication interfaces, shielding designs, and installation structures.

Q: Which communication protocols can the harness support?

A: The harness supports major communication protocols including CAN, LIN, RS485, Ethernet, and other customer-specified communication solutions.

Q: How is battery system and harness reliability guaranteed?

A: Reliability is achieved through stable signal transmission design, advanced EMI shielding protection, secure anti-loosening connector designs, high-grade automotive materials, and strict manufacturing and factory testing controls.

Q: What information is required for a customized harness quotation?

A: To enable our engineering team to provide a precise solution and quotation, we recommend providing the battery system voltage, communication requirements, cable length, connector specifications, installation environment, and annual demand or order quantity.

Q: What tests are performed before delivery?

A: Depending on customer requirements, products undergo continuity testing, insulation and voltage withstand testing, comprehensive electrical testing, connector visual and dimension checks, and assembly verification prior to shipment.

Q: What is the typical service life of the harness?

A: The service life depends on application conditions, material selection, and operating environments. Engineered with professional automotive-grade designs and high-durability thermal and anti-aging materials, it fully satisfies the long-term operational requirements across the entire lifecycle of electric vehicles and energy storage systems.