Cell Contact System

A Cell Contact System (CCS) is an integrated electrical connection solution used in modern lithium battery packs for electric vehicles (EV), hybrid electric vehicles (HEV), plug-in hybrid vehicles (PHEV), and Energy Storage Systems (ESS). It combines current conduction, voltage sampling, temperature monitoring, and signal transmission into one compact assembly, significantly improving battery safety, efficiency, and manufacturability.

At G&N Fortune Limited, we design and manufacture custom Cell Contact Systems, including Battery CCS, EV battery busbar assemblies, and FPC CCS solutions, providing flexible and scalable options for global battery pack manufacturers.

What Is a Cell Contact System?

A Cell Contact System is an internal battery pack component that connects individual lithium cells and enables communication between the battery cells and the Battery Management System (BMS).

It typically replaces traditional wire harness systems and integrates multiple functions:

• Electrical connection between cells

• Voltage sampling for each cell

• Temperature monitoring via NTC sensors

• Signal transmission to BMS

• Safety and insulation structure

A Cell Contact System for EV Battery is widely used in prismatic, cylindrical, and pouch cell battery modules.

How Does a Battery CCS Work?

The working principle of a Battery Cell Contact System can be explained in four steps:

Current Transmission

The battery Busbar assembly connects cells in series or parallel to ensure stable current flow with low resistance.

Voltage Sampling

The FPC CCS (Flexible Printed Circuit System) collects voltage signals from each cell and transmits them to the BMS.

Temperature Monitoring

Integrated NTC sensors measure cell temperature in real time to prevent overheating and thermal runaway.

System Communication

All collected data is transmitted to the Battery Management System, which manages balancing, charging, and discharging control.

Product Specifications & Available Options

Our Cell Contact Systems are available in multiple standard specifications and fully customizable configurations to meet different battery pack designs.

Standard Specifications

Different Types of Cell Contact Systems

Standard Cell Contact System

Suitable for mass production battery modules with stable and standardized layouts.

Custom Cell Contact System

Fully customized Battery CCS solution based on battery pack structure, cell layout, and electrical requirements.

Flexible Busbar CCS

Uses flexible circuits and lightweight materials for compact and high-energy-density battery packs.

Integrated CCS Assembly

Combines busbars, FPC, connectors, and sensors into a single modular unit for automated production.

Features of Our Battery Cell Contact System

High Electrical Conductivity

High-quality copper busbar for battery pack and aluminum options ensure efficient current transmission.

High Integration Design

Combines electrical conduction and signal collection in one CCS Assembly, reducing wiring complexity.

Lightweight Structure

Replaces traditional harness systems with flexible busbar technology, reducing overall battery weight.

High Reliability

Stable performance under vibration, temperature variation, and high-current conditions.

Full Customization

Supports complete OEM/ODM customization for different EV and ESS applications.

Advantages of Cell Contact System

• Improved battery safety

• Reduced wiring complexity

• Higher energy efficiency

• Accurate voltage monitoring

• Real-time temperature sensing

• Lower assembly cost

• High automation compatibility

• Compact battery pack design

Applications

Our Cell Contact System for EV Battery is widely used in:

• Electric Vehicles (EV)

• Hybrid Electric Vehicles (HEV)

• Plug-in Hybrid Electric Vehicles (PHEV)

• Battery Energy Storage Systems (ESS)

• Electric buses and trucks

• Lithium battery packs

• Battery modules

Why Choose Our Custom Cell Contact System?

We provide complete custom battery CCS solutions including:

• Custom Cell Contact System design

• Battery busbar assembly manufacturing

• EV battery busbar integration

• Flexible busbar solutions

• OEM Cell Contact System production

• Full engineering support from design to mass production

With advanced manufacturing capabilities, we ensure high precision, stable quality, and fast delivery for global customers.

Frequently Asked Questions

What is a Cell Contact System?

A Cell Contact System is an integrated battery component that connects individual cells and enables voltage and temperature monitoring for the Battery Management System.

Can Cell Contact Systems be customized?

Yes. We provide full customization including busbar design, circuit layout, connector type, sensor quantity, and structural design.

What materials are used in CCS?

Common materials include copper, aluminum, FPC circuits, insulation plastics, and NTC temperature sensors.

What is the difference between CCS and battery busbar?

A battery busbar only conducts current, while a Cell Contact System integrates current conduction, voltage sampling, and temperature monitoring.