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Fortress Power releases 16-kWh eBoost ESS

By Kelly Pickerel | October 16, 2025

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Fortress Power has released its new energy storage system, the eBoost. Sixteen of the 16-kWh units can be connected in parallel for up to 256 kWh of storage capacity for homes and businesses.

“The eBoost sets a new standard for flexible, high-capacity energy storage,” said Matthew Daniel, Product Manager for eBoost at Fortress Power. “Its scalability, durability and seamless integration with the Envy Duo 21 inverter make it an ideal choice for installers and customers who demand reliable performance with ease of deployment.”

A single eBoost module can deliver up to 12 kW of continuous charge and discharge power. The system also comes with a 10-year warranty.

“Since 2016, Fortress Power has been driven by a mission to make our energy storage systems easier to install, more efficient, and more cost-effective,” added Daniel. “The eBoost represents that vision—combining engineering simplicity with the power and resilience our customers expect.”

Supporting both single-phase and three-phase 208-V commercial applications, the eBoost is built for adaptability. Designed for indoor or outdoor installation, the eBoost leverages Fortress Power’s eWay interconnection system to simplify setup while maintaining a clean, professional appearance.

News item from Fortress

About The Author

Kelly Pickerel

Kelly Pickerel has more than 15 years of experience reporting on the U.S. solar industry and is currently editor in chief of Solar Power World. Email Kelly.

Comments

  1. Leigh Colby says

    October 18, 2025 at 4:24 pm

    Kelly:

    I like your articles! Can you do some digging and report on energy storage systems that are also compatible with ISO 15118‑20 and Bi-directional EV charging? This new EV standard may become ubiquitous on electric vehicles in the next 2-3 years.

    Leigh

    Reply

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