The next generation of Tesla’s home battery system has just become available in Australia with limited numbers available as of February 2017. It has double the storage capacity and a lower cost. The Powerwall 2.0 is a complete lithium battery storage system with its own built-in inverter and the ability to hold up to 13.5kWh of energy. Power output is 7kW peak and 5kW continuous.
It can be installed in an off-grid or grid-connected solar system and provide backup power in the case of a grid failure. You can also charge from the mains grid via lower-priced off-peak power.
You can monitor your solar electricity use from your computer or hand-held device. 10 year warranty. Priced at $8400 plus installation starting at $2100. www.tesla.com/en_AU/powerwall