Verified battery reference
Tesla Powerwall 3
Integrated home battery and solar-inverter platform with high continuous output and expansion options.
Primary source checked 2026-07-24
| Specification | Verified value or context |
|---|---|
| Nominal battery energy | 13.5 kWh |
| Configurable on-grid output | 5.8, 7.6, 10, or 11.5 kW |
| Solar-to-battery-to-home efficiency | 89% in the documented test condition |
| Warranty | 10 years, subject to registration and connectivity terms |
| Expansion | Supports Powerwall 3 Expansion units within documented limits |
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- CHECK 1
Confirm the configured output power and load-start design.
- CHECK 2
Check backup gateway or switch, protected loads, and service-equipment changes.
- CHECK 3
Review internet-connectivity and operating-mode warranty conditions.
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Specifications and warranty terms can change by model suffix, market, installation date, registration, and system design. Confirm the document that applies to the written quote.
View Tesla Powerwall 3 specifications