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FoxESS EQ Series Battery Systems

Future-ready energy storage from Sparkin Energy

At Sparkin Energy, we are proud to offer the FoxESS EQ Series — a high-performance solar battery system designed for efficiency, scalability, and reliability. FoxESS is a global leader in renewable energy storage, delivering advanced lithium-ion technology for both residential and commercial applications.


These smart battery systems integrate seamlessly with solar setups, allowing you to store excess energy during the day and use it when you need it most — ensuring maximum independence, sustainability, and savings.

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Why Choose FoxESS with Sparkin Energy?


  • Modular & Scalable Design – The FoxESS EQ Series allows you to start small and expand as your energy needs grow. Add multiple modules to increase storage capacity without replacing your entire system.

  • Safe, Long-Life Chemistry – Built with Lithium Iron Phosphate (LiFePO₄) cells, the EQ Series ensures exceptional thermal stability, long cycle life, and safe operation under all conditions.

  • High Efficiency – With round-trip efficiency of up to 95%, you’ll make the most of every kilowatt-hour your solar panels generate.

  • Outdoor-Ready & Durable – Featuring robust housing and IP65 protection, the EQ Series is designed for both indoor and outdoor installations.

  • Backup Power & Peace of Mind – Keep essential loads running during power outages and take control of your home’s energy use with confidence.

FoxESS EQ Series Battery Option

The EQ Series is a modular high-voltage battery designed to suit a wide range of energy storage needs — from small homes to large properties.


  • Usable Capacity per Module: ~9.3 kWh

  • Expandable Capacity: Up to ~41 kWh

  • Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)

  • Depth of Discharge (DoD): Up to 100% usable

  • Efficiency: ≥ 95%

  • Installation: Indoor or outdoor (IP65-rated protection)

  • Warranty: 10 Years


The system’s modular design ensures flexibility, enabling you to expand your setup as your household energy usage increases — perfect for future-proofing your solar investment.


Download the Datasheet

For full technical details, specifications, and connection information, download the official FoxESS EQ Series datasheet below.



How Sparkin Energy Works with You


  1. Site Assessment – We evaluate your current or planned solar system, energy consumption, and backup requirements to recommend the ideal EQ Series configuration.

  2. Tailored Quote – Receive a transparent proposal outlining your battery capacity, estimated savings, installation plan, and any available incentives.

  3. Professional Installation – Our certified solar technicians install and configure your FoxESS battery for optimal performance and safety.

  4. Monitoring & Maintenance – We’ll set up the FoxESS monitoring app or web dashboard, allowing you to track your solar generation and battery performance in real time.

  5. Upgrade Path – The EQ Series grows with you — easily expand capacity to accommodate higher usage, EV charging, or business applications.

Why Install a Solar Battery System?


  • Reduce Reliance on the Grid – Store solar energy during the day and use it during the night or when rates are higher.

  • Increase Energy Self-Consumption – Maximize the use of your solar power instead of exporting excess to the grid.

  • Enjoy Backup Power – Keep essential devices running during blackouts or grid outages.

  • Boost Property Value – A reliable solar battery adds long-term value and sustainability appeal to your home.

  • Peace of Mind – With FoxESS technology and Sparkin Energy support, you’re investing in quality and dependability.

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Frequently Asked Questions


How do I know what size battery I need?

We assess your solar generation, household consumption, and preferred backup requirements to recommend the perfect EQ Series size for your home.

Can I expand the FoxESS system later?

Yes! The modular EQ Series design allows you to start small and easily add more modules as your energy needs increase.

Is the EQ Series safe?

Absolutely. The LiFePO₄ battery chemistry offers one of the safest and most stable forms of lithium technology, with built-in multi-layer protection and thermal management.

How do I monitor my system?

The FoxESS mobile app and web portal allow you to view your solar generation, battery level, and consumption in real time — from anywhere.

What’s the warranty?

FoxESS provides a 10-year manufacturer warranty, ensuring long-term reliability and peace of mind.


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