Red Copper Coil for Automotive and New Energy
High quality Red Copper Coil for Automotive and New Energy is offered by Zenko factory in China. It is engineered for the critical power and thermal demands of electric vehicles, charging infrastructure, and renewable energy systems. Our premium C1100/C1220 red copper (99.9%+ purity) delivers superior electrical conductivity and heat dissipation essential for high-current applications in EV batteries, inverters, charging stations, and energy storage systems. Manufactured in our ISO 9001 certified facility with full traceability, vacuum annealing, and 100% CCD inspection, every coil meets the rigorous reliability standards demanded by the automotive and new energy industries. Trusted by global EV manufacturers and renewable energy integrators.
Zenko Red Copper Coil for Automotive and New Energy from a trusted China manufacturer combines high-purity C1100/C1220 copper with precision engineering, delivering superior conductivity, durability, and compact design for EVs, battery systems, and renewable energy applications.
What Is Zenko Red Copper Coil for Automotive and New Energy?
Zenko Red Copper Coil for Automotive and New Energy refers to our precision-wound, high-purity copper tube coils produced from C1100/C1220 red copper. Unlike standard copper wire or bar, Zenko Red Copper Coil for Automotive and New Energy combine the superior conductivity of pure copper with the flexibility and compact form factor of a coiled tube—making them ideal for space-constrained automotive powertrains, battery pack interconnects, and high-current charging systems. Manufactured by Wenzhou Zenko Metal Co., Ltd. since 2017, every coil is produced in-house under strict quality control, serving automotive OEMs and new energy system integrators worldwide.
Core Advantages of Zenko Red Copper Coil
●99.9%+ Pure C1100/C1220 Red Copper — Exceptional Conductivity:
Red copper offers the highest electrical and thermal conductivity among commercial copper alloys.Zenko Red Copper Coil for Automotive and New Energy minimize resistive losses in high-current EV battery and charging applications, directly improving vehicle range and charging efficiency.
●Precision Coil Dimensions (OD 0.8–40mm, ID 0.5–30mm, Wall 0.1–5mm) — Automotive-Grade Precision:
Every red copper coil is drawn to tight tolerances, ensuring consistent fit in compact EV powertrain designs, battery pack assemblies, and charging station cooling loops. Custom coil lengths and diameters are available.
●Vacuum Annealed (Y State, HV90–110) — Vibration & Fatigue Resistant:
Automotive environments involve constant vibration, thermal cycling, and mechanical stress. Zenko red copper coils are vacuum-annealed for uniform hardness and superior fatigue resistance, ensuring long-term reliability in moving vehicles and fast-charging cycles.
●Ultrasonic Cleaning + 100% CCD Inspection — Contamination-Free for Safety-Critical Systems:
Even microscopic surface contaminants can compromise high-voltage EV systems. Every red copper coil undergoes full ultrasonic cleaning and CCD vision inspection, guaranteeing zero defects for automotive and new-energy applications.
●Full In-House Production — Traceability & Consistency:
With 25 drawing machines, 60 CNC cutters, 20 chamfering stations, 20 forming machines, 2 vacuum annealing furnaces, and 2 ultrasonic cleaning lines, Zenko controls every step from raw copper to finished red copper coil. All batches are traceable, meeting the rigorous requirements of the automotive industry supply chain.
Applications in Automotive and New Energy
EV Battery Systems:
●Battery pack busbars, cell-to-pack interconnects, and high-current distribution coils in EVs.
Power Electronics & Inverters:
●Onboard chargers (OBC), DC-DC converters, and inverter cooling coil loops.
Charging Infrastructure:
●AC/DC charging pile internal coil assemblies and fast-charging station thermal management.
Energy Storage Systems (ESS):
●Grid-scale ESS, residential battery storage, and renewable energy inverter coils.
Renewable Energy Integration:
●Solar PV inverter cooling coils and wind power converter connections.
Certifications & Service
• ISO 9001 Quality Management System certified
• ROHS, REACH, and MSDS compliant — safe for global automotive supply chains
• 7×24 dedicated export support with technical consultation
• Free samples for qualification and fitment testing
• Real-time production tracking with photo/video updates
• Lifetime technical support and rapid response
Zenko Red Copper Coil for Automotive and New Energy— Powering the future of clean mobility with premium conductivity and proven reliability.
| Non-Insulated Butt connector （Sizes can be customized） | |||||
| Material:Red Copper(C1100/C1220/C1010) | |||||
| Dimension(mm) |
 |
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| D(mm) | 0.8 - 40 | ||||
| d1(mm) | 0.5 - 30 | ||||
| T（ mm） | 0.1-5 | ||||
| Packing | 25kgs/ roll, 50kg/roll | ||||
| Hardness and State | Y （HV90-110) | ||||
| Remark: | Accept custom orders of any size | ||||
| Specification | D（mm） | d1（mm） | T（mm） |
| 1.0*0.8 | 1 | 0.8 | 0.15 |
| 1.1*0.86 | 1.1 | 0.86 | 0.12 |
| 1.1*0.80 | 1.1 | 0.8 | 0.15 |
| 1.3*1.0 | 1.3 | 1 | 0.15 |
| 1.3*1.1 | 1.3 | 1.1 | 0.1 |
| 1.5*1.2 | 1.5 | 1.2 | 0.15 |
| 1.7*1.5 | 1.7 | 1.5 | 0.15 |
| 2.0*1.7 | 2 | 1.7 | 0.15 |
| 2.08*1.78 | 2.08 | 1.78 | 0.15 |
| 2.1*1.8 | 2.1 | 1.8 | 0.15 |
| 2.3*2.0 | 2.3 | 2 | 0.15 |
| 2.6*2.3 | 2.6 | 2.3 | 0.15 |
| 3.2*2.8 | 3.2 | 2.8 | 0.2 |
| 3.28*2.98 | 3.28 | 2.98 | 0.15 |
| 3.9*3.5 | 3.9 | 3.5 | 0.2 |
| 4.05*3.65 | 4.05 | 3.65 | 0.2 |
| 4.1*3.7 | 4.1 | 3.7 | 0.2 |
| 4.9*4.5 | 4.9 | 4.5 | 0.2 |
| 6.2*5.8 | 6.2 | 5.8 | 0.2 |
| 5.05*4.65 | 5.05 | 4.65 | 0.2 |
| 6.35*5.95 | 6.35 | 5.95 | 0.2 |
| 6.4*6 | 6.4 | 6 | 0.2 |
| 7.85*7.45 | 7.85 | 7.45 | 0.2 |
| 7.9*7.5 | 7.9 | 7.5 | 0.2 |
| 8.8*8.4 | 8.8 | 8.4 | 0.2 |
| 8.7*8.3 | 8.7 | 8.3 | 0.2 |
FAQ
Q1: What makes Zenko Red Copper Coil suitable for EV battery packs?
A1: The high-purity C1100/C1220 copper ensures minimal resistive loss, while precision dimensions and vacuum annealing provide vibration and fatigue resistance for compact EV battery systems.
Q2: Can Zenko Red Copper Coil for Automotive and New Energy be customized?
A2: Yes, both coil diameter and length can be tailored to fit unique automotive, ESS, or renewable energy applications. Custom orders of any size are accepted.
Q3: How does Zenko ensure the quality of each coil?
A3: Every coil undergoes ultrasonic cleaning, 100% CCD inspection, and is produced entirely in-house, ensuring traceability, zero contamination, and consistent quality for safety-critical systems.
Q4: What industries can benefit from Zenko Red Copper Coil?
A4: Beyond EVs, these coils are ideal for charging infrastructure, energy storage systems, and renewable energy applications like solar PV inverters and wind power converters.
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No.2 Xiabao Road, Industrial Zone, Yueqing Bay Gangqu,Yueqing City,Zhejiang Province, China
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