The clock is ticking for Tesla Inc. (TSLA - Get Report) after it agreed to build the world's largest lithium-ion battery park in South Australia, signing off on a deal to finish the instillation within 100 days or give it away for free.

The deal follows a call for tenders by the Australian state, which has suffered a series of devastating blackout that have left as many as 1.7 million people without power.

This article was written by a staff member of TheStreet.