Tesla Powerwall+
Tesla states 13.5 kWh nominal energy (United States).
Tesla states 5.8 kVA continuous apparent power (United States, AC, no sun, on-grid).
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 and units per system.
| Figure | Value | Publisher | Source |
|---|---|---|---|
| Nominal energy | 13.5 kWh | Manufacturer Checked against the document | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026Nominal Battery Energy 13.5 kWh |
| Continuous power (AC, no sun, on-grid) | 5.8 kVA | Manufacturer Not yet checked | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026 |
| Continuous power (AC, with sun, on-grid) | 7.6 kVA | Manufacturer Not yet checked | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026 |
| Peak power (no sun, 10 seconds, off-grid) | 10 kW | Manufacturer Not yet checked | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026 |
| Peak power (full sun, 10 seconds, off-grid) | 22 kW | Manufacturer Not yet checked | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026 |
| Off-grid continuous power (AC, no sun, off-grid) | 7 kW | Manufacturer Not yet checked | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026 |
| Off-grid continuous power (AC, with sun, off-grid) | 9.6 kW | Manufacturer Not yet checked | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026 |
| Motor start (LRA) | 98–118 A | Manufacturer Checked against the document | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026Load Start Capability 98 - 118 A LRA |
| Round-trip efficiency, United States | 90% | Manufacturer Checked against the document | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026Round Trip Efficiency 90% |
| Lowest operating temperature | −20°C | Manufacturer Checked against the document | Spec sheet, at p.3 / Environmental Specifications, retrieved Sep 25, 2026Operating Temperature –20°C to 50°C (–4°F to 122°F) |
| Highest operating temperature | 50°C | Manufacturer Checked against the document | Spec sheet, at p.3 / Environmental Specifications, retrieved Sep 25, 2026Operating Temperature –20°C to 50°C (–4°F to 122°F) |
| Weight | 140 kg | Manufacturer Checked against the document | Spec sheet, at p.3 / Mechanical Specifications, retrieved Sep 25, 2026Total Weight 140 kg (310 lb) |
See it on the home battery chart
Stated temperature limits
Stated operating range: −4°F (−20°C) to 122°F (50°C).
Spec sheet, at p.3 / Environmental Specifications, retrieved Sep 25, 2026
Operating Temperature –20°C to 50°C (–4°F to 122°F)
Battery’s stated motor-start current: 98–118 A (LRA means locked-rotor amps, a motor’s starting current). Compare starting current.
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 |
Warranty, at p.1 / Ten Year Limited Warranty, p.1 / Energy Retention table row 2, retrieved Sep 23, 2026, dated May 6, 2026 Not yet checked
Features the manufacturer states
| Feature | Stated | Source |
|---|---|---|
| Coupling | integrated solar battery system, two separate inverters, one for battery and one for solar Checked and corrected against the document | Spec sheet, at p.1 / intro, retrieved Sep 25, 2026Powerwall+ has two separate inverters, one for battery and one for solar, that are optimized to work together. |
| Whole-home backup | Yes Checked against the document | Spec sheet, at p.6 / Example System Configurations, retrieved Sep 25, 2026Powerwall+ with Backup Gateway 2 for Whole Home Backup |
| Backup | partial or whole home backup via Backup Switch or Backup Gateway 2 Checked against the document | Spec sheet, at p.1 intro and p.5–6 configurations, retrieved Sep 25, 2026improved surge power capability brings whole home backup in a smaller package. |
| Built-in inverter | Yes Checked against the document | Spec sheet, at p.1 / Key Features, retrieved Sep 25, 2026Integrated battery, inverter, and system controller for a more compact install |
| Enclosure rating | Type 3R, IP67 (battery & power electronics), IP56 battery wiring, IP55 solar wiring Not yet checked | Spec sheet, at p.3 / Environmental Specifications / Enclosure Type and Ingress Ratings, retrieved Sep 25, 2026 |
| Grid voltage | 120/240 V AC Checked against the document | Spec sheet, at p.2 / Technical Specifications, retrieved Sep 25, 2026Nominal Grid Voltage (Input / Output) 120/240 VAC |
| Dimensions | 1596 x 755 x 160 mm Checked against the document | Spec sheet, at p.3 / Mechanical Specifications, retrieved Sep 25, 2026Dimensions 1596 x 755 x 160 mm (62.8 x 29.7 x 6.3 in) |
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: YesSpec sheet, at p.3 / Compliance Information, retrieved Sep 25, 2026
UL 1642, UL 1741, UL 1741 PCS, UL 1741 SA, UL 1741 SB, UL 1973, UL 9540, IEEE 1547-2018, IEEE 1547.1, UN 38.3
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.