Powerwall 3 Compatibility With Powerwall 2
Powerwall 3 is now compatible with Powerwall 2 with the latest software update.
Backwards Compatibility allows existing Powerwall 2 owners to expand their home energy system with Powerwall 3 for greater savings and increased energy independence.
To expand your existing system, contact your original Tesla Certified Installer or find a Tesla Certified Installer for supported configurations and pricing.
What to Expect
Powerwall 3 can now be added to eligible Powerwall 2 systems with the latest software update.
Supported configurations allow Powerwall 2, Powerwall 3 and Powerwall 3 Expansion units to operate together for more storage capacity, longer backup protection and greater energy independence.
Note: Installation must be performed by a Tesla Certified Installer to ensure safety, proper integration and warranty compliance.
Incentives
Homeowners may be eligible for discounts available under the Cheaper Home Batteries Program for Powerwall 3 and Powerwall 3 Expansion Units.
Frequently Asked Questions
Is Powerwall 3 now compatible with Powerwall 2?
Yes. Backwards Compatibility that allows Powerwall 2 owners to expand their home energy system with Powerwall 3 is now available through the latest software update.
Note: Your Powerwall must have software version 26.26 or later.
What system configurations are supported at launch?
Supported system configurations will include up to four Powerwall 2 units, one Powerwall 3 unit and up to three Powerwall 3 Expansion units. When installing on a three-phase grid connection, Powerwall 3 output will be limited to 5 kW. Gateway 1 and Neurio Meter are not supported. Contact your Tesla Certified Installer to appropriately size, configure or upgrade your system.
Will adding Powerwall 3 affect my Powerwall 2 warranty?
No. Powerwall 2 retains its original warranty. Powerwall 3 and Powerwall 3 Expansion units include a 10-year warranty.
What if my Powerwall 2 CEC listing has expired?
When adding Powerwall 3 to an existing Powerwall 2 system, only the CEC listing for Powerwall 3 is required. Your existing Powerwall 2 systems remain compliant. New Powerwall 3 and Powerwall 3 Expansion units are installed under a new connection agreement and are CEC-listed.