Powerwall 3 Installation Manual with Backup Gateway 2 (covers Powerwall 3, Powerwall 3 Expansion units and Backup Gateway 2) - Tesla Energy Library entry, which is the only public per-product page Tesla publishes for these SKUs
parallel_units_max
Up to 3 Expansion units per Leader Powerwall 3
peak_discharge
—
round_trip_efficiency_pct
—
usable_energy_kwh
—
voltage_range_v
—
Physical / mechanical
ac_terminal
—
cooling
—
dc_connector
—
depth_mm
—
dimensions_mm
—
display
—
enclosure_material
—
height_mm
—
mounting
—
noise_db
—
weight_kg
—
width_mm
—
Installation
cable_requirements
—
commissioning
—
installation_angle
—
mounting_clearances
—
torque
—
Environment
ingress_protection
—
ip_rating
IP20
max_altitude_m
—
operating_temperature_c
—
pollution_degree
—
protective_class
—
relative_humidity_pct
—
storage_temperature_c
—
Interfaces & connectors
app
—
communication
[]
dry_contact
—
meter_interface
—
monitoring_portal
—
protocols
[]
Protection
anti_islanding
—
arc_fault
—
dc_switch
—
insulation_monitoring
—
overvoltage_category
—
rcmu
—
reverse_polarity
—
surge_protection_ac
—
surge_protection_dc
—
Warranty & service
conditions
—
extension_options
—
standard_years
—
Documents
installation-manual
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
Appendix G: Installing Multiple Powerwall 3 Units and/or Expansion Units — located, not retrievedrev UNKNOWN
