Meet Powerwall, your home battery.

How does Powerwall work during an outage?

Seamless backup power. With or without solar.
Powerwall detects grid outages and automatically becomes your home’s main energy source. Protect your home from the next power outage and keep your lights on, phones charged, and no puddles under the fridge.
Self-Powered home. Just add Powerwall.
Powerwall integrates with solar to store excess energy generated during the day and makes it available when you need it, minimizing reliance on your utility.
Compact and Simple
Powerwall is a completely automated system that installs easily and requires no maintenance.
Control Your Energy from Anywhere
Seamlessly monitor and automatically manage your Powerwall, solar panels, Model S or X anytime, anywhere with the Tesla App.


Technical Specs
- Usable Capacity – 13.5 kWh
- Depth of Discharge – 100%
- Efficiency – 90% round-trip
- Power – 7kW peak / 5kW continuous
- Supported Applications – Solar self-consumptionBack-up powerTime-of-use load shifting (coming soon)Off-grid capabilities (coming soon)
- Warranty – 10 years
- Scalable – Up to 10 Powerwalls
- Operating Temperature – -4°F to 122°F / -20°C to 50°C
- Dimensions – L x W x D: 44″ x 29″ x 5.5″(1150mm x 755mm x 155mm)
- Weight – 276 lbs / 125 kg
- Installation – Floor or wall mounted, Indoor or outdoor
- Certification – North American and International Standards Grid code compliant
Visit Tesla to learn more about the Powerwall home solar battery.
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