• Dagong ESS

FFC CCS for Long Battery Modules: A Cost-Efficient Signal Collection Solution

FFC CCS is a battery cell contact system that uses

FFC CCS is a battery cell contact system that uses Flexible Flat Cable (FFC) technology for signal transmission. It integrates flat cable structures with conductive busbars and insulation components to form a compact signal collection module inside the battery pack.

Like other CCS solutions, FFC CCS performs several key functions:

• Cell voltage sampling

• Battery temperature monitoring

• Signal transmission to the BMS

• Support for cell series and parallel connections

Compared with traditional wire harness solutions, FFC CCS offers a more compact structure and improved automation compatibility. It is particularly suitable for long or large battery modules where signal routing distances are greater.

Types of FFC CCS

Typical FFC CCS configurations include:

Standard FFC CCS

Structure:

• Flexible flat cable

• Nickel tabs or conductive pads

• Aluminum busbar

• Insulation layers

• Thermoformed or heat-pressed support structure

This is the most common FFC CCS configuration used in battery modules.

Integrated FFC CCS

Structure:

• Integrated flat cable signal circuit

• Direct connection to busbar

• Reduced number of intermediate components

This design focuses on reducing assembly steps and improving production efficiency.

Features of FFC CCS

FFC CCS offers several technical and manufacturing advantages.

• Lightweight Structure
  Flat cable structures are lighter than traditional wiring harnesses.

• Suitable for Long Battery Modules
  FFC is ideal for elongated battery module designs where signal paths are longer.

• Stable Signal Transmission
  Flat cable design ensures consistent electrical performance.

• High Automation Compatibility
  FFC structures are easy to integrate into automated assembly lines.

• Cost Optimization Potential
  Compared with FPC solutions, FFC can offer lower material and processing costs.

Applications of FFC CCS

FFC CCS is widely used in battery systems that require long signal paths or cost-optimized designs.

Typical applications include:

• Commercial and industrial energy storage systems

• Containerized ESS platforms

• Large battery module structures

• Electric vehicle battery packs

• High-capacity lithium battery cabinets

In these applications, FFC CCS helps reduce wiring complexity while maintaining stable signal performance.

Price of FFC CCS

The cost of energy storage systems for renewable energy integration depends on several factors, including system capacity, storage duration, battery type, control software, installation conditions, and auxiliary equipment.

Pricing is usually quoted under international trade terms such as EXW, FOB, or CIF, depending on project location and logistics preferences. For a tailored quotation based on your specific project needs, it's best to consult directly with the supplier.

How to Select FFC CCS for Your Project?

FFC CCS is suitable when:

• Battery modules have long or linear layouts

• Cost reduction is a project priority

• Automated assembly is required

• Lightweight design is beneficial

However, if the project requires extremely high integration or minimal thickness, FPC or PCB solutions may be more appropriate.

The Supplier of FFC CCS

FFC-based CCS solutions are commonly used in modern lithium battery modules, including commercial and industrial energy storage systems and containerized ESS platforms.

If you are interested in FFC CCS products or would like to learn more about battery module connection solutions, please contact sales@dagongess.com for further information.