Tesla Powerwall – solving the battery problem – once and for all.
When Elon Musk went about setting up a battery manufacturing plant called Gigafactory people thought that he was building battery plant for the cars that his company would be manufacturing. People thought he would be selling about 10,000 Tesla cars a year at the maximum as they wre quite expensive. But Elon being Elon was out thinking everybody and leaping ahead into building the fuel-storage-blocks of tomorrow.

