Recent pricing trends show standard 20ft containers (500kWh-1MWh) starting at $180,000 and 40ft containers (1MWh-2. 5MWh) from $350,000, with flexible financing including lease-to-own and energy-as-a-service models available. Discover what drives the cost of 20kW energy storage systems and how. As of April 2025, the average cost of a used 20ft shipping container ranges from $1,300 to $2,000, while 40-foot containers can range from $2,000 to $3,200, depending on availability, shipping container condition, and location. Other Features: Smart monitoring (e. Let's break down what really goes into the cost and whether it's worth your money.