Do you know characteristics of the battery?
I found some articles, but I want to know more about the project itself.

https://www.bloomberg.com/news/articles/2017-11-22/elon-musk-s-giant-battery-set-for-testing-in-south-australia

http://mashable.com/2017/11/22/tesla-battery-powerpack-australia/#GT5DP8h.Liq7