Large Tesla Battery
Tesla is building the largest battery bank in the world in Australia. The capacity... 129 Mega freekin watt hours. http://newatlas.com/tesla-powerpack-australia-biggest-battery/50382
Forum Discussion
kerrlakeRoo wrote:
... but pumping it back always uses more energy than it creates ...
I believe that's also true for draining and recharging batteries .... the process is not 100% efficient.
