Fortress Power’s eForce is a modular, stackable lithium battery system built for seamless integration, durability, and scalability. Each 9.6 kWh unit delivers reliable, all-weather performance—ideal for whole-home backup or growing your energy independence.
Power your home or business with confidence using Fortress Power’s eForce—designed for the unique demands of island living. Whether you're going off-grid, safeguarding against outages, or expanding your energy capacity, eForce delivers dependable performance and flexibility.
This modular, stackable lithium battery system features premium LFP cells and all-weather durability, with up to 153.6 kWh of storage per system. Pair with the Fortress Envy Inverter for a robust, whole-home backup solution built to last.
The eForce 48VDC Battery is an advanced energy storage solution designed to cater to both residential and commercial energy needs. This battery is manufactured by Fortress Power, known for its innovative approach to providing reliable and efficient energy storage solutions. The eForce battery is available in various configurations, including 9.6 kWh, 19.2 kWh, and 28.8 kWh options and scalable to 153kWh, making it a solution that can be tailored to different energy requirements. The nominal voltage of the battery is 48V and can operate within a voltage range of 39V to 54V, offering flexibility in various applications.