Adapting to winter: How FoxESS battery solutions are evolving to solve cold-climate challenges

As the renewable energy industry progresses, solar installers face the increasing challenge of delivering reliable energy storage solutions that perform effectively in diverse and extreme climates. As winter conditions pose challenges to maintaining optimal battery operation, the demand for advanced solutions becomes increasingly important.Recognising this, FoxESS has introduced two innovative battery models—the EP5-H and EP11-H—designed specifically to meet the demands of cold-weather performance.
Why cold weather requires attention in energy storage
For solar installers, ensuring consistent energy storage performance year-round is essential. Cold temperatures can reduce a battery’s charge and discharge rates, a protective mechanism that safeguards the battery’s lifespan but limits its effectiveness in harsh conditions. While the LiFePO4 (LFP) cells used in FoxESS batteries are renowned for their stability and thermal resilience, even this advanced chemistry experiences performance declines when temperatures drop significantly.
In response, the EP5-H and EP11-H models integrate a groundbreaking warm-up function to tackle this challenge head-on, ensuring reliable energy storage in even the harshest winters.
The warm-up function: Unlocking new possibilities for cold-climate performance
FoxESS has equipped the EP5-H and EP11-H batteries with a built-in heating system that keeps the internal cells within their optimal operating temperature range. This feature represents a significant step forward for installers working in cold climates, offering:
- Enhanced performance: Charge and discharge rates remain higher even in freezing temperatures.
- Optimised reliability: Consistent operation ensures peace of mind for end-users.
- Customisability: Installers and users can tailor settings, defining start and end temperatures and scheduling activation windows to align with energy availability and needs.
The heating function can be powered by either photovoltaic (PV) energy or grid electricity, enabling greater flexibility and sustainability.
Aligning with industry trends and regulations
Recent regulatory guidelines in the UK and other markets encourage outdoor battery installations, adding new complexity to energy storage projects. The EP5-H and EP11-H are built to thrive in these scenarios, providing a dependable solution for both residential and commercial installations exposed to cold weather. By addressing temperature-related performance challenges, these models help installers meet regulatory requirements while delivering superior energy reliability.
Sustainability: Leveraging solar energy for heating
In addition to enhancing performance, the warm-up function aligns with broader sustainability goals. By utilising PV energy for heating, these batteries reduce reliance on grid power, minimising their carbon footprint and promoting eco-friendly energy solutions. For solar installers, this feature not only benefits the environment but also resonates with end-users seeking greener energy options.
What this means for solar installers
The EP5-H and EP11-H reflect a broader shift in the solar industry toward solutions that address real-world challenges. With their advanced cold-weather technology and proven LFP chemistry, these batteries empower installers to:
- Expand their services into colder regions with confidence.
- Provide reliable and customisable energy storage solutions to a wider range of customers.
- Align their offerings with sustainability trends and regulatory demands.
Stay ahead with FoxESS
As the solar industry continues to grow, the ability to adapt to changing conditions and customer needs is critical. The EP5-H and EP11-H exemplify FoxESS’s commitment to driving innovation and supporting installers by delivering cutting-edge energy solutions.
Explore the features and benefits of the EP5-H and EP11-H models by visiting FoxESS’ website or contacting their team. Together, we can empower energy independence, no matter the climate.