Fortress Power

The FlexTower-Top Enclosure is the upper section of the Fortress Power FlexTower, an all-in-one energy storage solution. This top enclosure is purpose-built to house one inverter—Fortress Power True Envy 8kW, 10kW, or 12kW, or Sol-Ark 12K/15K—providing clean, space-saving integration into your solar or backup power system. Note:Inverter and...

Expand your energy storage with the Fortress Power DuraRack. This iron enclosure stores up to 4 eFlex 5.4 kWh batteries, and is expandable up to 4 units (15 eFlex batteries, 81KWh). The DuraRack includes integrated busbars and a DIN rail heater mount. This enclosure...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

The Fortress Power Envy True 12 kW - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @...

Secure & Space-Saving Installation Solution The eForce Wall Mounting Bracket is specifically engineered to support the 9.6kWh eForce LFP battery module, offering a safe, stable, and space-efficient mounting solution. Ideal for indoor installations where floor space is limited, this bracket ensures proper positioning and support for long-term...

The Fortress Power Envy True 12 - a whole-home, all-in-one 12kW inverter solution. Paired with the Fortress Power eFlex 5.4 kWh, the eVault MAX 18.5 kWh or LFP-10 MAX batteries, the Envy features a 200A AC passthrough providing up to 12kW (50A @ 240V)...

Reliable | Long-Life | Smart Monitoring Power your energy storage system with this premium 18.5kWh Lithium Iron Phosphate (LFP) Battery, delivering exceptional safety, longevity, and real-time system insights. With a 360Ah total capacity and an integrated LCD display, this unit is ideal for residential, commercial, and off-grid solar...

The Fortress Power eFlex is a 5.4 kWh scalable energy storage solution based on safe and energy dense prismatic Lithium Iron Phosphate cells. The digital processor Battery Management System (BMS) includes high amperage contactor disconnects and advanced Closed-Loop inverter communication, as well as individual...

The newest innovative Lithium Iron Phosphate battery from Fortress Power is the eVault Max 18.5 kWh ®. An all-in-one solution for your residential and commercial needs. Scalable up to 370kWh with a serviceable top cover access to make installation of this battery simple and...

Designed for durability and performance, this outdoor-rated battery enclosure securely houses up to 4 eFlex or eFlex Max battery units per rack. Ideal for residential or commercial energy storage setups, it ensures reliable operation in a variety of environmental conditions.Built to Perform Outdoors Material: Durable...

Compact | Reliable | Wall-Mountable | 10-Year Warranty This 5.4kWh Lithium Iron Phosphate (LFP) Battery offers dependable, high-efficiency energy storage in a sleek, space-saving format. With a 105Ah capacity and an included A14 wall-mount bracket, it's engineered for easy vertical installation in residential, commercial, or off-grid energy systems. Protected...

Compact | Durable | Fully Integrated | 10-Year Warranty The eFlex Max 5.4kWh Lithium Iron Phosphate (LFP) Battery is a rugged, ready-to-install energy storage solution engineered for performance and durability in demanding environments. With 105Ah capacity and 5.4kWh total energy, this battery is ideal...

Protective & Aesthetic Front Cover for Envy Inverter Systems The Envy Inverter Front Panel Cover is a precision-engineered accessory designed to protect the front interface of your Envy inverter while enhancing its appearance. Whether you're replacing a worn panel or installing a new system, this cover...