Insights & Technical Resources

Deep dives into battery interconnect design, advanced manufacturing processes, and material science.

Copper busbar module for cylindrical lithium battery pack — Wellgo Battery’s precision busbar design ensures low resistance and high conductivity in EV applications.
All

The Future of Busbar Technology in EV and Renewable Energy Systems

The future of busbar technology is reshaping how electric vehicles (EVs) and renewable energy systems deliver power efficiently and safely. With rising demand for high-current, compact, and sustainable energy solutions, copper busbars, nickel-plated connectors, and flexible laminated busbars are becoming the core components of next-generation energy infrastructures. Manufacturers like Wellgo Battery are leading this shift by offering custom busbar solutions that integrate advanced plating, thermal management, and smart monitoring technologies. These innovations not only improve conductivity and corrosion resistance but also align with global standards like RoHS, REACH, and IEC 62932, ensuring performance and compliance for the US and EU markets.

3 min read
Cylindrical lithium batteries prepared for export with copper busbars — part of Wellgo Battery’s custom nickel-plated busbar manufacturing process for EV and energy storage systems.
All
3 min read

Export Guide: Shipping Copper Busbars to the US and EU

This article serves as a practical export guide for copper busbars shipped to the US and EU, covering customs, documentation, tariffs, and compliance requirements. It explains key regulations such as RoHS and REACH certification, as well as the correct HS code for copper busbars and tariff rates in major markets. Readers will learn how Wellgo Battery, a leading battery busbar manufacturer, ensures smooth logistics through certified custom copper-nickel busbars, anti-oxidation packaging, and full export documentation. The guide is essential for anyone looking to streamline copper busbar exports under strict EU import regulations.

Read more
Nickel-plated copper busbar sheet with precision slots for high-current battery connections — part of Wellgo Battery’s custom busbar fabrication solutions.
All
3 min read

Copper Busbar Customization Options: Plating, Bending, and Insulation

This article explores key copper busbar customization options — including plating, bending, and insulation — to enhance performance and reliability in battery busbar applications. It explains how surface coatings like nickel-plated copper busbars improve corrosion resistance, while precision bending ensures mechanical flexibility and consistent conductivity. The guide also covers busbar insulation methods such as PVC, polyimide, and epoxy coatings for high-voltage safety. Backed by standards like IEC 61439 and UL 94-V0, Wellgo Battery provides complete custom busbar fabrication solutions for EV battery systems, energy storage, and industrial power modules.

Read more
Aluminum battery busbar strip installed on cylindrical lithium cells — demonstrating current path and thickness optimization for efficient current rating design by Wellgo Battery.
All
3 min read

Busbar Thickness and Current Rating Explained

This article explains the relationship between busbar thickness and current rating, helping engineers determine the ideal dimensions for efficient battery busbar design. It outlines how thickness, width, and material choice—such as copper, nickel, or aluminum—impact conductivity, voltage drop, and heat generation. Backed by standards like IEC 61439 and UL 1973, the guide highlights key design principles for EV battery busbars and energy storage systems. Wellgo Battery provides insights into optimizing copper-nickel busbars through advanced thermal management, simulation, and plating technologies to ensure superior current-carrying capacity, safety, and cost efficiency.

Read more

Need custom interconnect solutions?

Talk to our engineering team for a tailored quote.

Get a Quote