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FOXESS  |  SKU: 49801  |  Barcode: 6976309282888

FoxESS EQ3300 Home Storage System

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Fox ESS EQ3300: Compact High-Voltage Power for Intelligent Home Storage

The Fox ESS EQ3300 is a high-performance, modular high-voltage battery storage system that impresses with its flexibility and efficiency. Based on safe LiFePO4 cell chemistry, it offers a tailored solution for home applications of any size. The system consists of the EQ3300-M control module and EQ3300-S battery modules, which enable time-saving and error-free installation through a simple plug & play design.

With a capacity of 3.20 kWh per storage module, the system can be flexibly scaled from 6.4 kWh (L2) up to 19.20 kWh (L6). Thanks to a high depth of discharge of 90% (DoD) and an impressive service life of over 6,000 cycles, the EQ3300 ensures a long-term and reliable energy supply. The robust, IP65-rated housing also allows for flexible installation indoors or in protected outdoor areas.

Highlights of the EQ3300 System

  • Modular Flexibility: Scalable from 2 up to 6 modules depending on energy requirements.
  • Optimal Space Utilization: Compact 3.20 kWh modules for precise capacity.
  • High Efficiency: Over 95% charge/discharge efficiency for minimal energy losses.
  • Future-Proof Technology: CAN communication interface for smart interaction with the inverter.
  • Maximum Yield: 90% usable capacity due to high depth of discharge.
  • Robust & Durable: Weatherproof to IP65 and designed for ≥ 6,000 cycles.

Complete Technical Data

Model Configuration EQ3300-L2 EQ3300-L3 EQ3300-L4 EQ3300-L5 EQ3300-L6
Modules (Master + Slave) [cite: 62] 1M + 1S 1M + 2S 1M + 3S 1M + 4S 1M + 5S
Nominal Capacity [kWh] 6.4 9.6 12.8 16.0 19.2
Nominal Voltage [V] 128 192 256 320 384
Voltage Range [V] 116–146 174–219 232–292 290–365 348–438
Max. Charge/Discharge Current 50 A (Recommended: 25 A)
Efficiency / Cycles >95% Battery efficiency | ≥ 6,000 cycles
Operating Temperature [°C] Charge: 0 to 55 | Discharge: -10 to 55
Dimensions (H) [mm] / Weight [kg] 375 / 82.2 510 / 118.2 645 / 154.2 780 / 190.2 915 / 226.2
Protection Class / Communication IP65 / CAN interface

All dimensions at a width of 570 mm and depth of 380 mm. *Charge derating occurs at temperatures between 0 °C and +15 °C.

Custom Quote

Planning to procure a large quantity of photovoltaic systems? Our team of experts will gladly prepare a customized, non-binding offer tailored precisely to your company's requirements and quantities. Let us advise you and benefit from an efficient, cost-effective solution for your energy projects.

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Frequently Asked Questions

What are the advantages of using a photovoltaic system from Terra Energy?

With a PV solution, companies can reduce their energy costs, cut CO₂ emissions, and strengthen their corporate sustainability. Our partner solutions ensure performance, efficiency, and future-proofing in B2B applications.

What happens after I purchase a system? Is there support or maintenance?

Our service doesn't end with your purchase. We support you from delivery and commissioning to the long-term optimization of your system. Our technical support team is available to answer questions and can arrange specialized installation or maintenance partners if needed.

What shipping and delivery options do you offer?

Within Germany, we generally offer free shipping for photovoltaic systems. For international deliveries or bulky components such as modules or mounting systems, we will individually prepare a shipping solution for you (e.g., pallet delivery, truck freight).

What payment methods are available to business customers?

We offer various payment options for business customers, including prepayment and purchase on account. Simply contact our sales department.

How does Terra Energy support me in selecting and planning my PV solution?

We offer expert advice and customized planning, taking into account location, consumption, subsidies, and technology. Together, we will develop your optimal solution, from the initial concept to commissioning.