Whole-Home Energy Storage Built for Modern Homes.
Tesla Powerwall 3 combines a 13.5 kWh battery with an integrated inverter and system controller. It can provide up to 11.5 kW of continuous on-grid and backup power, allowing homeowners to keep important appliances and household systems running during an outage.
Tesla Powerwall 3 Specifications
Powerwall 3 combines battery storage, an integrated inverter, solar integration and intelligent energy management in one system. The system can be expanded with Powerwall 3 Expansion units for additional energy storage.
| Feature | Published capability |
|---|---|
| Battery energy | 13.5 kWh AC |
| On-grid continuous power | 11.5 kW |
| Backup continuous power | 11.5 kW |
| Off-grid maximum continuous discharge | Up to 15.4 kW with sufficient solar and required configuration |
| Solar-to-grid efficiency | 97.5% |
| Solar inputs | 6 MPPT solar inputs |
| Grid voltage | 120/240 VAC split phase |
| Motor starting capability | 185 LRA |
| Power scalability | Up to 4 Powerwall 3 units |
| Expansion capability | Up to 3 Powerwall 3 Expansion units |
| Maximum additional energy | Up to 40.5 kWh of additional energy per Powerwall 3 |
| Dimensions | 43.5" H × 24" W × 7.6" D |
| Weight | 287 lbs |
| Operating temperature | -4°F to 122°F |
| Connectivity | Wi-Fi, Ethernet and cellular connectivity |
| Monitoring | Tesla Mobile App |
| Installation | Indoor or outdoor installation |
| Warranty | 10 years |