Description
Key Benefits
- Scalable storage capacity from 18.5kWh to 111kWh for whole-home backup
- Integrated 200A pass-through with auto transfer switch and manual bypass
- Smart load management controls up to 12 circuits including HVAC and water heater
- Compatible with Fortress Avalon Battery and Inverter for seamless energy integration
- Outdoor-rated IP65 enclosure suitable for various installation environments
- Long cycle life of up to 15,000 cycles ensures durable energy storage
- User-friendly app for complete system monitoring and control
- Stackable, space-saving design simplifies installation and logistics
Best Uses
Tech Specs
| Spec | Value |
|---|---|
| Model | Fortress Power Avalon ESS |
| Storage Capacity | 18.5kWh to 111kWh (scalable) |
| Battery Technology | Lithium Iron Phosphate (LiFePO4) |
| Cycle Life | Up to 15,000 cycles |
| Enclosure Rating | IP65 (Outdoor Rated) |
| Dimensions | 9.45 x 22.2 x 35.4 in |
| Weight | 55 lbs |
| Warranty | 10 Years |
Warranty
Important: Warranty terms may vary based on installation conditions and system configuration. See manufacturer documentation for full details.
More Info
The Fortress Power Avalon Smart Energy Panel (SEP) is an all-in-one whole-home backup solution integrating a hybrid inverter, high-voltage battery, and smart energy panel.
It supports scalable energy storage from 18.5kWh up to 111kWh when combined with Fortress Avalon Battery and Inverter, making it suitable for a wide range of residential energy needs.
The system features a 200A pass-through with an integrated automatic transfer switch and manual bypass, eliminating the need for separate critical load panels or transfer switches.
Smart load management allows control of up to 12 circuits such as HVAC, pumps, and water heaters, optimizing energy use and preventing inverter overload.
Designed for both indoor and outdoor installation, the IP65-rated enclosure ensures durability in various environments.
The Avalon SEP supports AC or DC coupling with solar PV arrays up to 18.24 kW via 4 MPPT inputs, and includes integrated rapid shutdown transmitter for safety compliance.
A user-friendly mobile app provides comprehensive monitoring and control of the entire energy storage system from anywhere.
Installation is simplified by the stackable, ultra-thin design, reducing space requirements and easing logistics.
This system is ideal for residential energy storage, backup power during outages, off-grid solar applications, and participation in demand response programs.
With a 10-year warranty and long cycle life of up to 15,000 cycles, the Fortress Avalon SEP delivers reliable, long-term energy independence.
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