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Copper Foil Flexible Busbar For Battery

Battery copper foil flexible busbar (laminated flexible busbars) are core high‑current interconnect components for EV battery packs, energy storage systems, UPS and industrial power equipment.

Premium Material

Made of multi‑layer T2 copper foil with molecular diffusion welding, they provide outstanding conductivity, superior flexibility to absorb thermal expansion & vibration, and reliable insulation.

CUSTOMIZATION

The busbar can be totally customized according to customer drawing (length, width, thickness, hole number & diameter).

Surface Treatment: Tin plating, Silver plating, Nickel plating, etc.

    Copper Foil Flexible Busbar For Battery

    The Technical Specification For Copper Foil Flexible Busbar

    Item Specification
    Conductor Material T2 Copper Foil (≥99.95% Cu)
    Foil Thickness 0.05mm / 0.1mm / 0.2mm / 0.25mm (Custom)
    Rated Current 50A–800A (by cross‑section)
    Surface Plating Tin / Nickel / Silver / Bare Copper
    Insulation PE/EVA Heat Shrink Tube / PVC Dipping
    Withstand Voltage AC 2000V / 1min
    Operating Temperature -40℃ ~ +125℃
    Bending Life ≥10,000 cycles (15° angle)
    Certification CE, RoHS, UL, TUV, IATF16949
    MOQ 50PCS
    Customization Size / Shape / Holes / Plating / Insulation
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    Applications For Copper Foil Flexible Busbar

    • Electric Vehicle (EV) Battery Packs
    • Energy Storage Systems (ESS)
    • UPS & Data Center Power
    • Electric Forklift / AGV / Golf Cart
    • Industrial Power Distribution

    Custom Process For Copper Foil Flexible Busbar

    1. Provide the drawings or key parameters (length × width × number of layers / single piece thickness / hole positions / coating / insulation)
    2. Quotation & Sample: Quotation → Confirmation → Sample Making (3–5 days)
    3. Mass Production: Sample Confirmation → Mass Production (7–15 Days)
    4. Quality Inspection & Delivery: Full Inspection → Packaging → Shipment