Tesla Powerwall 3 Expansion
Tesla states 13.5 kWh nominal energy (United States).
Warranty terms: 10 years (United States); warranted throughput: 37.8 MWh (United States, only applications outside solar self-consumption, time-based control and backup); capacity at warranty end: 70% (United States).
Brand: Tesla
Published figures
No figures have been collected for usable energy, continuous power, motor-start current, and units per system.
| Figure | Value | Publisher | Source |
|---|---|---|---|
| Nominal energy | 13.5 kWh | Manufacturer Not yet checked | Spec sheet, at p.5 / Battery Technical Specifications, retrieved Sep 23, 2026 |
| Lowest operating temperature | −20°C | Manufacturer Not yet checked | Spec sheet, at p.5 / Environmental Specifications, retrieved Sep 23, 2026 |
| Highest operating temperature | 50°C | Manufacturer Not yet checked | Spec sheet, at p.5 / Environmental Specifications, retrieved Sep 23, 2026 |
| Weight | 110 kg | Manufacturer Not yet checked | Spec sheet, at p.5 / Mechanical Specifications, retrieved Sep 23, 2026 |
Stated temperature limits
Stated operating range: −4°F (−20°C) to 122°F (50°C).
Warranty terms
| Term | Figure | Document |
|---|---|---|
| Warranty, United States | 10 years | Warranty, at p.1 / Ten Year Limited Warranty, retrieved Sep 23, 2026, dated May 6, 2026 |
| Warranted throughput, United States | 37.8 MWh (only applications outside solar self-consumption, time-based control and backup) | Warranty, at p.1 / Energy Retention table row 2, retrieved Sep 23, 2026, dated May 6, 2026 |
| Capacity at warranty end, United States | 70% | Warranty, at p.1 / Energy Retention table, retrieved Sep 23, 2026, dated May 6, 2026 |
Features the manufacturer states
| Feature | Stated | Source |
|---|---|---|
| Coupling | DC Not yet checked | Spec sheet, at p.5 / Mechanical Specifications, retrieved Sep 23, 2026 |
| Built-in inverter | No Not yet checked | Spec sheet, at p.5 / Battery Technical Specifications, retrieved Sep 23, 2026 |
| Compatible inverters | Powerwall 3 only Not yet checked | Spec sheet, at p.5 / Mechanical Specifications, retrieved Sep 23, 2026 |
| Enclosure rating | NEMA 3R, IP67 Not yet checked | Spec sheet, at p.5 / Environmental Specifications, retrieved Sep 23, 2026 |
| Dimensions | 1105 x 609 x 168 mm Not yet checked | Spec sheet, at p.5 / Mechanical Specifications, retrieved Sep 23, 2026 |
Government and program lists
This product is on none of the lists this site reads.
Installs
No install count this site publishes covers this product.
Recalls and safety notices
No notice in the recall sources this site reads is matched to this product. That is not a safety finding. See every recall notice.
- UL 9540 listed: Yes
- UL 9540A tested: Yes
The maker states the listing or test. The listing body's records have not been checked.
Backup hours from your load
This battery has no maker-stated usable energy on this site.