Offering 250 to 1000 kWh of stored energy, the xStorage battery energy storage system (BESS) provides eco-friendly backup power during outages and optimizes solar energy consumption, while also managing peak demands to reduce utility costs. What does Qstor™ bring to your. Featuring lithium-ion batteries, integrated thermal management, and smart BMS technology, these cabinets are perfect for grid-tied, off-grid, and microgrid applications. Explore reliable, and IEC-compliant energy storage systems designed for renewable integration, peak shaving, and backup power.