Tesla's rechargeable battery can power your home - here's how it works

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elon musk

Tesla

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Tesla unveiled the new and improved version of its at-home battery, Powerwall 2, in October.

The at-home battery can store solar energy and provide backup power for your home. It fits into Tesla's larger energy ambitions since it acquired SolarCity in November, allowing it to offer solar roof and panel installations in addition to backup energy storage.

Here's a breakdown of how Powerwall 2 works: