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Tesla · battery · battery
Powerwall 2
Earlier Tesla home battery. Usable energy 13.5 kWh, 5 kW continuous on-grid, round-trip efficiency 90% on the datasheet. 45.3 × 29.6 × 5.75 in, 251.3 lb. Needs a separate solar inverter. No public exploded parts diagram.
Homes that already have a Powerwall 2
- Continuous
- 5,000 W
- Stored
- 13.5 kWh
- Noise
- 40 dBA
- Weight
- 251.3 lb
Specifications
| Fuel | Battery |
|---|---|
| Voltage | 120/240V |
| Gasoline running / peak | 5,000 W / 10,000 W |
| Engine | Integrated AC battery. No solar inverter in the pack. |
| Runtime note | 13.5 kWh usable (14 kWh total). On-grid continuous is 5 kW. The current install spec lists 7 kW continuous off-grid and 10 kW for 10 seconds. |
| Noise note | Under 40 dBA at 1 m at 30°C on the North America datasheet |
| Start | Automatic |
| THD | Inverter output |
| Warranty | 10-year |
| Price note | Legacy unit. Still in service; new installs are Powerwall 3. |
| Source | Tesla Powerwall 2 AC datasheet and current installation specification, North America |