<ul><li>Tesla has released Powerwall 3 expansion units that allow owners to increase their storage capacity at a lower cost.</li><li>Each expansion unit adds 13.5 kWh of storage capacity and up to three units can be connected to a single Powerwall.</li><li>The new expansion units are $1,000 cheaper than a regular Powerwall 3 as they do not include expensive components like an inverter.</li><li>The installation time for the expansion units has been reduced to 22 minutes, helping users expand their systems more efficiently.</li></ul>

Tesla releases Powerwall 3 expansion units for more capacity at lower price

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