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In an ambitious bid to move beyond the electric car market, Tesla has announced that it will start selling large batteries to let homeowners store electricity. The Powerwall home battery starts at $3,000.

The unit is geared toward homeowners who want to do any combination of three things: store backup power; minimize peak-time use of utilities’ electricity; and get off the commercial power grid entirely.

Tesla CEO Elon Musk Unveils Home Battery — Is $3,000 Cheap Enough?

Photo Credit: Tesla Energy