Flexible Copper Busbar with Heat-Shrink Insulation & Anti-Breakdown Sleeve
600–800A high-power busbar, manufactured from laminated copper foils with welded construction. Features heat-shrink insulation and an external dielectric braided sleeve for enhanced voltage withstand and breakdown protection. Engineered for high conductivity and low DC resistance, copper busbar provides stable current carrying capacity with excellent mechanical and electrical reliability for demanding EV battery power connection applications.
The power busbar is manufactured from laminated flexible copper foils with welded, bent, and punched construction. It features heat-shrink insulation and an external dielectric braided sleeve for enhanced breakdown protection.
Designed for high conductivity and low DC resistance, flexible copper busbar delivers stable current carrying capacity, excellent mechanical strength, and reliable electrical performance for high-power EV battery systems.
Its flexible structure enables easy installation, vibration damping, and efficient heat dissipation, while the stress-compensation design ensures long-term operational stability and reduced maintenance costs. Suitable for automotive-grade new energy power connection applications.

Product Features
- High-quality Conductor: Made of T2 copper, supports 600–800 A high-current load with excellent conductivity and low resistance.
- Dual Insulation Protection: Heat-shrink tubing + braided sleeve enhance dielectric strength and abrasion resistance.
- Laminated Flexible Copper Structure: Welded design provides vibration damping, heat dissipation, and stress compensation.
| Parameter | Withstand Voltage | RoHS | Flammability Rating | Working Temperature | Wall Thickness | Conductor Material |
| Values | DC 4000 V, 1 min | Qualified | UL94 V-0 | -50~125°C | 1.0-1.5mm | T2 Copper Laminates |
Application
This copper busbar offers high electrical conductivity, low energy loss, excellent insulation performance, strong abrasion resistance, and enhanced installation flexibility, making it ideal for flexible connections in EV battery packs. Designed for high-current applications, it provides outstanding creep resistance and long-term durability while helping reduce maintenance costs. Customized conductor materials, insulation solutions, and electrical parameters, including current and voltage ratings, are available to meet specific application requirements.
