Core metrics
What matters for this SKU
- Usable energy
- 13.5kWh
- On-grid power
- 11.5kW
- Backup power
- 11.5kW
- Architecture
- Integrated solar inverter
- Capacity
- 13,500 Wh
- AC output
- 11,500 W
- Chemistry
- LiFePO4
- Warranty
- 10-year limited manufacturer warranty
Home Battery
Tesla Powerwall 3
A high-output 13.5kWh home battery with an integrated solar inverter. It is most compelling when the installer can show exactly which loads one or more units will support during an outage.
Installed quote varies by system design, location, incentives, and installer pricing
verified spec status
30 risk score
2026-06-22 last updated
Evidence
Specs and signals used here
- Category fit: Home Battery
- Spec status: verified
- Editorial update: 2026-06-22
- Desk research verified against current manufacturer materials and official support documentation on June 22, 2026. PowerHomeGuide did not perform a hands-on test.
- Read our full review methodology
Reference links
Editorial
How we evaluate this SKU
Powerwall 3 combines strong power output and a streamlined Tesla ecosystem, but installed value depends on load design, local installer capacity, incentives, and service access.
Scenarios
Runtime and fit by use case
Typical homeowner scenarios tied to calculators and guides on this site.
| Scenario | Expected fit |
|---|---|
| Solar plus outage backup | Strong fit when the household wants solar charging and selected critical circuits during outages. |
| Time-of-use arbitrage | Most compelling where peak/off-peak rate spread is meaningful and cycling rules are favorable. |
| Whole-home backup quote | Needs careful review of HVAC, large appliances, surge loads, and number of batteries. |
| Essential-load panel | Often the cleaner design when budget or battery capacity cannot cover every circuit. |
Pros
Strengths to weigh
- Integrated inverter architecture
- Strong brand ecosystem
- Whole-home backup potential
Cons
Tradeoffs and risks
- Installer availability varies
- Backup scope depends on panel design
Compare installed quote vs payback assumptions
Compare
Included in these comparison sets
Open a full side-by-side table with the same products used in guides and calculators.
FAQ
Common questions
Is Tesla Powerwall 3 best for backup or bill savings?
It can support both, but the stronger value depends on outage risk, time-of-use rate spread, solar production, incentives, and how much backup capacity the home needs.
Can one Powerwall 3 back up the whole home?
Not always. It depends on load size, HVAC type, electric heat, well pumps, and backup panel design. Many homes get better results by backing up selected essential circuits.
Does Powerwall 3 require Tesla solar?
It is often paired with Tesla solar, but project design and local installer availability determine the best path. Compatibility should be confirmed before assuming retrofit options.
What should I compare in quotes?
Compare usable kWh, backup load scope, inverter capacity, gateway hardware, permitting, incentives, and whether the quote includes panel work.
Guides
Related decision paths
Alternatives
Similar products in this category
Home Battery Seed data
FranklinWH aPower 2
Whole-home backup planning, LiFePO4 preference
MOQ 1 · 28d partner response
- Capacity
- 15 kWh class
- Output
- 10 kW class
- Range
- $10,000-$18,000 installed
Validate local installer support and warranty terms
Request partner quote Manufacturer specs Home Battery Seed data
SolarEdge Home Battery
SolarEdge solar homes, TOU optimization
MOQ 1 · 25d partner response
- Capacity
- 9.7 kWh class
- Integration
- SolarEdge inverter ecosystem
- Range
- $8,000-$14,000 installed
Confirm inverter compatibility and backup panel scope
Request partner quote Manufacturer specsHow it works
Structured RFQ — routed to the right partner path
You compare options and request a quote here. PowerHomeGuide turns your project context into a structured RFQ that can be reviewed by service providers, installers, dealers, or product partners. We help qualify the request; partners handle the quote and delivery path.
Submit quantity, ZIP, home constraints, and timing so the request is complete enough to route.
We separate product-only, installer, dealer, and service-provider opportunities before follow-up.
Qualified partners can respond with pricing, installation scope, availability, or next-step consultation.
Platform quote
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Share your project details and ship-to ZIP so PowerHomeGuide can package the request for qualified service providers, installers, dealers, or product partners. No checkout here — this is a structured RFQ.
Home Battery Spec checked
Tesla Powerwall 3
Tesla solar customers, Whole-home backup goals, High-power essential loads
- Usable energy
- 13.5kWh
- On-grid power
- 11.5kW
- Range
- Installed quote varies by system design, location, incentives, and installer
Integrated inverter architectureStrong brand ecosystem
Compare installed quote vs payback assumptions
Request partner quote Manufacturer specs