Infographic: How much you have to pay for a kWh out of a Tesla Powerwall compared to other 'They suck' products, already available?

http://www.cbcity.de/wp-content/uploads/2015/05/Heim-Elektro-Energiespeicher-Euro-pro-kWh.png via /r/Infographics http://www.reddit.com/r/Infographics/comments/3658so/how_much_you_have_to_pay_for_a_kwh_out_of_a_tesla/