Results: Elon Musk unveils Tesla Powerwall batteries to 'change the world'
"Our goal is to fundamentally change the way the world uses energy," Musk told a press conference at the Tesla Design Center on Thursday night. The Powerwall will be connected to the Internet, Musk says, to allow for the creation of local smart grids. Up to 9 devices representing 90 kilowatt hours can be stacked per home.
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