Tesla Motors Inc. will announce a home battery and a “very large” utility-scale battery on April 30, according to an e-mail sent to investors and analysts.
Isn't that pretty much the goal long term? Give out patents so that tons of people make products with specs you can anticipate so that you can provide optimized batteries for them?
Ubiquity tends to make millionaires. Not always of the most deserving people, but all that wealth has to accrue somewhere.