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. Whether retrofitting existing infrastructure or building a. . According to the 2020 Self-Storage Almanac, the average national rental rate for a 10" X 10" storage unit is $107. 97 for a 10" X 15" storage unit. Pilot Integrated ESS is highly. . HBOWA PV energy storage systems offer multiple power and capacity options, with standard models available in 20KW 50KWh, 30KW 60KWh, and 50KW 107KWh configurations. You can add many battery modules according to your actual needs for customization.