""There isn't a battery in the world big enough to store power on a national scale"<br><br>Elon Musk: "Hold my beer": <a href=""http://www.abc.net.au/news/2017-11-23/worlds-most-powerful-lithium-ion-battery-finished-in-sa/9183868"">http://www.abc.net.au/news/2017-11-23/worlds-most-powerful-lithium-ion-battery-finished-in-sa/9183868</a>"