Tesla, Powerwall 3 Expansion Stacking Kit, 1978070-00-x

The Tesla Powerwall 3 Expansion Stacking Kit (1978070-00-x) enables physical stacking and secure mounting of additional Powerwall 3 Expansion units. It facilitates expanding system capacity by 13.5 kWh per unit, supporting up to three expansions per leader Powerwall 3. The kit provides the necessary hardware for a stable, ground-mounted installation, including a wall bracket and mounting hardware.

Key Components & Features:

• Included Hardware: Fan front panel, wall bracket, 4× mounting bracket shims, 4× Torx T40 mounting bracket bolts, and 6× fir-tree plugs.
• Mounting Type: Designed for floor-mounted, stacked configurations, allowing units to be placed behind a leading Powerwall 3, allowing for smaller footprints.
• Design Aesthetics: Matches the height and width of the Powerwall 3 (though slightly thinner) for a consistent, aesthetically clean installation.
• Application: Enables adding up to three expansion packs for a total capacity of 54 kWh (4x13.5 kWh units).
• Compatibility: Designed for use specifically with Powerwall 3 systems (P/N 1707000-xx-J or greater).

Note: Expansion units do not include an inverter and are not field-serviceable.