Deka^® UltraBattery^® is the high-powered partial-state-of-charge (PSoC) solution for on-grid and off-grid installations. Our 20 kW / 17 kWh Ecoult^™ UltraFlex^™ system – powered by the Deka UltraBattery – scales up to take on any large domestic or industrial application. From smoothing solar and peak lopping to getting up to 10 times more out of every drop of generator fuel, the Ecoult^™ UltraFlex^™ is the king of energy storage versatility.

The Deka UltraBattery combines ultracapacitor and lead-acid chemistries in a single electrolyte to create a hybrid cell delivering high performance PSoC operation, with fast charging, high energy density, and exceptional lifetime throughput.

Ecoult is the global energy storage arm of the world’s largest single-site lead battery manufacturing facility, East Penn Manufacturing (EPM), known worldwide for its quality and environmental excellence. Ecoult provides software, hardware, systems integration and engineering to monitor and control the energy storage systems and maximize their capabilities. EPM manufactures the Deka UltraBattery cells inside every system.