
Fortress Power has launched the eSpire Nano, a compact and intelligent energy storage system designed specifically for small to medium-sized Commercial and Industrial (C&I) applications. Engineered to deliver commercial-grade performance with the simplicity and speed of residential systems, the eSpire Nano provides a scalable and cost-effective solution for businesses.
Purpose-built for applications such as retail stores, quick-service restaurants, small industrial facilities, offices, and schools, the eSpire Nano offers flexible system configurations across 208V, 220V, 240V, and 480V, along with both AC and DC coupling capabilities. Each system is powered by inverters delivering 30 kW or 60 kW of AC output, paired with 40 kWh or 60 kWh battery cabinets.


















