In 2025, the typical cost of commercial lithium battery energy storage systems, including the battery, battery management system (BMS), inverter (PCS), and installation, ranges from $280 to $580 per kWh. Larger systems (100 kWh or more) can cost between $180 to $300 per kWh. As businesses increasingly focus on energy efficiency and sustainability, the role of commercial battery storage systems (BESS). Namkoo NKB Series 215kwh commercial & industrial energy storage system adopts the all in one design concept. For. Contact the supplier about freight and estimated delivery time. Every payment you make on Made-in-China. Claim a refund if your order doesn't ship, is missing, or arrives with product issues.