The cost of a 50kW lithium-ion battery storage system using LiFePO4 technology can range from $30,000 to $60,000 or more, depending on the quality and brand of the batteries. Why. Compare 20ft, 40ft, High Cube and Refrigerated containers - including delivery cost estimates and key price factors. Prices exclude GST and delivery. All figures reflect typical Australian market ranges as of 2026. Let's break that down: Why such a wide range? Because not all cabinets serve the same function. 1 billion in 2024 and is projected to reach USD 8. Costs vary. A 50kW solar system in Australia costs $46,100 - $51,400, produces around 190 - 220 kWh per day, and typically suits commercial sites aiming to save $15,500 - $18,000 per year,.