Tesla Powerwall 3
The Tesla Powerwall 3 is a home battery with usable capacity 13.5 kWh, charge power (continuous) 5 kW and warranty 10 years.1,2
Key figures
Technical specifications
| General | |
|---|---|
| Wi-Fi / app | Yes2 |
| Performance | |
| Usable capacity | 13.5 kWh2 |
| Smallest configuration | 13.5 kWh2 |
| Expandable up to | 94.5 kWh2 |
| Charge power (continuous) | 5 kW2 |
| Discharge power (continuous) | 11.04 kW2 |
| Electrical | |
| Phases | 11 |
| Backup power | Yes2 |
| Dimensions & weight | |
| IP rating | IP552 |
| Min. operating temperature | -20 °C2 |
| Width | 609 mm2 |
| Height | 1,105 mm2 |
| Depth | 193 mm2 |
| Weight | 130 kg2 |
| Warranty & lifespan | |
| Warranty | 10 years2 |
Manufacturer documentation
- Product page
- Datasheet / specifications — Powerwall 3-Datablad – 2026
External links to Tesla's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
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Guides on home batteries
- Usable vs nominal capacity: what a home battery really delivers
- AC-coupled vs DC-coupled: how a home battery connects
- Plug-in home batteries in the UK: rules, G98 and safety
- Home batteries and time-of-use tariffs: charging cheap, using at peak
- Home battery fire safety: cell chemistry, siting and PAS 63100
How we collect and check this data →
Frequently asked questions
Sources
- ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
- Powerwall 3-Datablad, 2026 — Tesla, Inc. · accessed 27 Sept 2026