Tesla’s $3,000 Powerwall Will Let Households Run Entirely On Solar Energy

You almost certainly associate Tesla with cars — very cool cars — but the company has an even grander vision beyond that. Today, CEO and founder Elon Musk unveiled ‘Tesla Energy’ — a new business arm that is focused on ending our dependence on grid power and switching instead to solar energy.

The first Tesla Energy product is ‘Powerwall Home Battery,’ a stationary battery that can power a household without requiring the grid. The battery is rechargeable lithium-ion — it uses Tesla’s existing battery tech — and can be fixed to a wall, removing much of the existing complexity around using a local power source.

“The issue with existing batteries is that they suck,” Musk said in a press conference announcing Tesla Energy. “They are expensive, unreliable and bad in every way.”

Tesla’s solution, he said, is different.

For one thing, the company’s batteries cost $3,500 for 10kWh and $3,000 for 7kWh — add your snarky Apple Watch price comparison here. They are open for pre-orders in the U.S. now; the first orders will be dispatched “in late summer.”

Like regular batteries, they can be used together — up to nine can be stacked up together to create a strong and reliable power source. Musk said he believes they can help people in emerging markets or remote locations ‘leapfrog’ the need for existing power systems, in a similar way that mobile phones have become more important than landlines in remote parts of the world.

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