[manicdee]

Are you going to fully discharge that 7560kWh lead-acid system every day?

No, you are not. You are actually going to buy five times as many batteries and work in the 20% of the storage range which is suitable for continual cycling. So that's 90 batteries off the bat, or about $6750, almost double the cost of the Powerwall, not including the ancillary equipment you haven't budgeted for to bring your batteries into the same league as the Powerwall.

You still need the battery room to install them in, and the fire protection system to put out electrical or chemical fires when things go wrong.

The Powerwall includes thermal and fire containment (the batteries are swimming in gel), the Powerwall also takes care of the "battery room" issue by storing the battery in a container on the wall.

For those with greater power requirements, there are rack mounted power cells, again with thermal and combustion mitigation already in place.

The integration and packaging is why everyone is excited about these batteries at this price.