Tesla just unveiled its new at-home battery — here's what you need to know by Danielle Muoio on Oct 31, 2016, 11:08 AM Advertisement
 Tesla showed off its new at-home battery, Powerwall 2.0, during its big solar roof unveiling on Friday night. The battery comes with incremental improvements from a technical and design standpoint. The rechargeable battery is meant to compliment Tesla's new solar roof as part of Tesla's effort to "create a clear picture of how a combined Tesla and SolarCity will make solar and storage as compelling as electric vehicles," Tesla CEO Elon Musk wrote in a blog post. Tesla is in the process of buying SolarCity in a deal worth $2.6 billion. Shareholders will vote on the proposed merger on November 17. Here's everything we know about Tesla's Powerwall: SEE ALSO: Elon Musk just unveiled Tesla's solar roof and new Tesla Energy products In 2015, Tesla first unveiled the Powerwall — a rechargeable, lithium ion battery weighing roughly 200 pounds that you can mount on your wall. 
When it was first released, there were two versions of the Powerwall: a 6.4-kilowatt-hour model that cost $3,000 and a 10-kilowatt-hour option priced at $3,500. To help put that into perspective, the average person in the US uses about 30 kWh of power a day. 
The Powerwall can store electricity generated by solar panels and draw electricity from the utility grid when rates are low to store for later use. It also provides homeowners with back-up power in the event of an outage. All Powerwall installations must done by a trained electrician. 
See the rest of the story at Business Insider
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