Gateway confusion

[RelevantDad]

Just moved into a new house and wanting to get powershare installed with a universal wall connector. I asked the installer if I'd be able to add a powerwall later on if I wanted to, and he said I might need a different gateway for that.

So is that true? If I want to be open to adding powerwall later on, do I need to get a specific gateway?

Thanks.

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[scottf200]

Just moved into a new house and wanting to get powershare installed with a universal wall connector. I asked the installer if I'd be able to add a powerwall later on if I wanted to, and he said I might need a different gateway for that.

So is that true? If I want to be open to adding powerwall later on, do I need to get a specific gateway?

Thanks.

• There is a Powershare Gateway 3V[ehicle] (eg. not V3 | Version 3).
  It is a site|system controller and manages the disconnect from the grid.
• The Powerwall v3 also are site|system controller. Stated on the Tesla Powerwall site.
• I think early version of the Powerwall required a separate Gateway for this site|system controller. See this datasheet. ("The Backup Gateway 2 controls connection to the grid")

The site|system controller is a conflicting part of all this.

Via: https://www.tesla.com/support/powershare says this:
Powershare Gateway
Powershare Gateway controls connection to the grid, automatically detects outages and provides seamless transition to backup power.