From 10 kWh to 100 MWh outputs, connected to low or high voltage, on-grid or off-grid, in combination with solar, wind, hydro or combined heat and power sources – our broad product portfolio covers the full range of applications and can be individually adapted to your requirements. State-of-the-art prismatic lithium battery cells from Samsung SDI combined with our patented and TÜV-certified Active Battery Optimizer smart cell control system form the core of our storage systems. TESVOLT energy storage systems are the economical choice for the most demanding applications. Made in Germany, in Europe’s first ever gigafactory for battery storage systems, in Lutherstadt Wittenberg.