For installation, Tesla Backup Gateway 2 is a required component, ensuring energy management, monitoring, and seamless integration with the grid. One Backup Gateway 2 is needed per site, supporting up to 10 Powerwall 2 units or 4 Powerwall 3 units. It helps detect outages and ensures that your system can island itself from the grid when necessary, offering whole-home or partial backup options.
Ideal for reducing reliance on the grid, lowering electricity costs, and ensuring uninterrupted power during outages, the Powerwall 3 offers a seamless, high-capacity energy solution. Installation is streamlined, allowing for modular expansion up to 4 units, and its compatibility with Tesla’s mobile app allows users to manage and monitor their energy system in real-time, ensuring optimal performance aligned with their energy goals.
| Feature | Specification |
|---|---|
| Usable Energy Capacity | 13.5 kWh |
| Power Output | 9.6 kW peak / 7.6 kW continuous |
| Round-Trip Efficiency | 90% |
| Solar Support | Supports up to 20 kW DC solar input |
| Heavy Load Capability | Can start loads up to 185 A LRA |
| Design | Wall-mounted, compact, weather-resistant |
| Connectivity | Built-in Wi-Fi, Ethernet, Cellular (Tesla App monitoring) |
| Inverter Compatibility | Works with most solar inverters |
| Scalability | Modular system – stackable for expanded capacity |
| Installation | Designed for fast, efficient setup |
| Home Power Support | Supports most household power needs with a single unit |
| Electrical Compatibility | Connects to any standard electrical service |
