Adelaide-based energy storage specialist ZEN Energy enters the home battery market with its energy storage solution ZEN Freedom PowerBank. The system is ideal for larger or regional and remote households. It is available in three different sizes, ranging from 12.8 to 19.2 kWh in 3.3 kWh-steps. Its lithium-ion battery offers backup power for homes that want to go off the grid. The battery system has a warranty of 10 years and costs up from $19,750 (inc. GST fully installed).