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Epoxy Resin (FR4) Heaters: Efficient Heating for EV Battery Packs

Epoxy Resin (FR4) Heaters: Efficient Heating for EV Battery Packs

In the quickly expanding industry of electric vehicles, one of the biggest challenges is keeping lithium-ion batteries at the RIGHT temperature. Whether it’s freezing winters or scorching summers, battery performance and lifespan depend heavily on precise thermal management. That’s where our Epoxy Resin (FR4) Heaters come in—a reliable, efficient solution designed to keep EV batteries running at their best.

  • What
  • How
  • Why
  • What Makes FR4 Heaters Special?

    1. Advanced Materials: Made with etched conductor of high-quality nickel-chromium or iron-chromium alloy, embedded in durable epoxy resin (FR4) for strength and reliability.

     

    2. Customizable Design: Tailored to fit specific voltage, wattage, or shape requirements.

     

    3. Exceptional Durability: Tested at 1500V/1min 5mA, ensuring performance in harsh environments.


  • How FR4 Heaters Solve Real-World Problems?

    Let’s take a real-life example. One of our clients, a leading EV manufacturer, was struggling with battery performance in cold climates. During winter, their vehicles had shorter driving ranges and slower charging times because the batteries were too cold. They needed a solution that could quickly and efficiently warm the batteries without adding bulk or complexity to their design.

    We designed a custom FR4 heater that fit perfectly into their battery thermal management system. The heater’s fast response time allowed it to quickly warm the batteries to their ideal operating range (20-30°C), even in freezing conditions. This not only improved charging efficiency but also prevented battery capacity loss, ensuring consistent performance over time.

    But that’s not all. In hotter climates, the same heaters worked with the cooling system to remove excess heat, keeping the batteries within a safe temperature range. This dual functionality helped the manufacturer extend the driving range of their vehicles, reduce the risk of overheating, and ultimately deliver a better experience to their customers.


  • Why Choose FR4 Heaters for Your EV Battery Packs?

    1. Cold Weather Performance: Quickly warms batteries to their expected operating temperature, improving efficiency in freezing conditions.

     

    2. Hot Weather Safety: Works with cooling systems to prevent overheating and thermal runaway.

     

    3. Longer Battery Life: Maintains stable temperatures, extending battery lifespan and reducing costs.


Building Smarter, More Efficient EVs Together

In the EV industry, every detail matters. A small improvement in battery performance can lead to big gains in driving range, customer satisfaction, and brand reputation. With Epoxy Resin (FR4) Heaters, you’re not just buying a heating solution—you’re investing in a smarter, more efficient future for electric vehicles.

 

Whether you’re designing the next generation of EVs or improving an existing model, our team is here to help. We’ll work with you to create a custom heating solution that meets your exact needs, just like we did for our client. Together, let’s push the boundaries of what’s possible and build a future where electric vehicles are more reliable, efficient, and sustainable.


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Shenzhen Huaruixin Electronics Co.,LTD

Shenzhen Huaruixin Electronics Co.,LTD

We offer a wide variety of high-efficiency heaters and heating element.Such as polyimide/kapton heaters,silicone rubber heaters,PET transparent heaters, thick film heaters,PTC heaters, mica heaters,epoxy resin heaters and graphene heating film.

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