The price range for an outdoor energy storage cabinet typically lies between $3,000 and $15,000, depending on various factors, such as **1. additional features, and **5. The cabinets are sized to enable mounting of all inverters and charge controllers in the same panel. This makes the installation much safer, whilst keeping all equipment out of sight and protected from the elements. Ordered a GoodWe ES inverter, arrived in a couple of days, free express shipping. FREE shipping Australia wide on orders over $300. I ordered a victron MPPT 100/20, their.