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Was thinking along the lines of having these scattered all around Puerto Rico (and other needy countries).
Power for several families, or a small village, in one container with a top mounted solar array that could be air lifted in.
I was up early, cruising youtube, looking at electric vehicles being offered in 2018 and beyond.
Then I got into battery technology vids.

It seems to me that our future has a shortage of oil.
There are more entities around the globe working on battery tech than Tesla/Musk.

The professor gave some insight into a couple of key points about the mobility of the Lithium ions.

It seems though, that it is a few years down the road. Tesla is beginning to install systems in Puerto Rico already.