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Copper Foil Soft Connection for New Energy Vehicle Battery Pack

Copper Foil Soft Connection (Flexible Copper Busbar) is a critical high-current connecting component designed for new energy vehicles (EVs), battery packs, energy storage systems, and high-voltage distribution units. Made of multi-layer high-purity T2 copper foil with molecular diffusion welding.

it delivers ultra-low resistance, excellent flexibility, strong vibration resistance, and reliable insulation, ensuring safe and stable power transmission under harsh automotive conditions.

    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.