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China Suppliers Factory Copper Foil Soft Connection for EV Battery Packs and Energy Storage Systems

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Flexible Copper Busbar (Copper Foil Soft Connection) is an essential high-current connecting component utilized in new energy vehicles (EVs), battery packs, energy storage systems, and high-voltage distribution units. Manufactured by leading suppliers in China, our product features multi-layer high-purity T2 copper foil with advanced molecular diffusion welding techniques.

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This innovative component offers ultra-low resistance, exceptional flexibility, robust vibration resistance, and reliable insulation, ensuring safe and stable power transmission even under the most demanding automotive conditions. As a trusted factory, we prioritize quality and performance, making our flexible copper busbars the ideal choice for cutting-edge energy solutions.

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    Copper Foil Soft Connection for New Energy Vehicle Battery Pack
    Item Standard Value
    Conductor Material T2 Oxygen-Free Copper (≥99.9% purity)
    Copper Foil Thickness 0.1mm / 0.2mm / 0.3mm (custom)
    Overall Thickness 2mm–10mm (custom)
    Width 10mm–120mm (custom)
    Length 50mm–1000mm (custom)
    Surface Treatment Tin / Nickel / Silver / Bare Copper
    Insulation Material EVA / PE / PVC / Silicone (UL94 V-0)
    Withstand Voltage 3000V AC, 3s
    Operating Temperature -40°C ~ +150°C
    Certification CE, RoHS
    • EV Battery Packs: Connect cells / modules in BEV / PHEV
    • Energy Storage Systems: UPS, solar energy storage, industrial battery
    • High-Voltage Distribution: EV motor controllers, charging piles
    • Other Industries: Rail transit, industrial automation, medical equipment
    Customized & Easy Installation
    • Custom length, width, thickness, hole position, terminal shape
    • Surface treatment: Tin plating / Nickel plating / Silver plating / Bare copper
    • Lightweight, compact design, saves installation space
    • Bolted or welded connection, fast assembly
    Q1: Can you customize size and shape?
    A1: Yes. We provide one-stop customization according to your drawings or requirements.
    Q2: What is the MOQ?
    A2: MOQ is 100 pcs (negotiable for trial order).
    Q3: How about delivery time?
    A3: Sample: 3–5 days; Bulk order: 7–15 days after confirmation.
    Q4: What insulation materials are available for the soft connection?
    A4: We offer high-quality insulation options including EVA, PE, PVC, and Silicone (UL94 V-0 flame retardant rating) to suit various working environments.
    Q5: What surface treatments do you offer for copper foil?
    A5: We provide multiple surface treatment options such as Tin, Nickel, Silver plating, or Bare Copper to enhance conductivity and oxidation resistance.
    Q6: Are your copper foil soft connections certified?
    A6: Yes, all our products are fully compliant with CE and RoHS certifications, ensuring safety and environmental standards.