Tesla Powerwall 3
The Tesla Powerwall 3 is the latest innovation in home energy storage, delivering greater power output, seamless solar integration, and whole-home backup capabilities.
Engineered for both new solar installations and upgrades to existing systems, the Powerwall 3 sets a new standard for residential energy independence.
Benefits of the Tesla Powerwall 3
With a usable capacity of 13.5 kWh and a built-in 11.5 kW AC inverter, Tesla Powerwall 3 simplifies installation and maximizes energy efficiency. This all-in-one system enables homeowners to store excess solar energy for use at night or during grid outages, helping reduce reliance on utility companies and protect against rising electricity rates. Designed for both indoor and outdoor installation, Powerwall 3 is compact, durable, and scalable—allowing up to four units per home for expanded storage. Whether you're looking for solar battery storage, time-of-use savings, or complete energy independence, Tesla Powerwall 3 is a smart, future-ready solution.
Top Benefits for Homeowners:
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Energy Security: Maintain power during grid outages and emergencies.
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Lower Energy Bills: Shift energy usage away from peak utility rates and reduce monthly costs.
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Sustainable Living: Maximize the use of clean, solar energy and reduce your carbon footprint.
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Smart Energy Monitoring: The Tesla mobile app provides real-time control and visibility over your energy usage and savings.
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Long-Lasting Performance: LFP battery chemistry offers greater safety, longevity, and reliability than older battery types.
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As a Tesla Certified Powerwall Installer, Ion Solar Pros proudly brings this powerful technology to homes across the region. Take control of your energy and experience the next generation of solar + storage with the Tesla Powerwall 3.
iSP is a Tesla Powerwall Certified Installer
When it comes to installing your Tesla Powerwall 3, working with a Tesla Powerwall Certified Installer ensures your system is set up for maximum performance, safety, and
long-term reliability.
At Ion Solar Pros, we’re proud to be a certified Tesla Installer, offering expert design and installation services that meet Tesla’s rigorous standards.
As a Tesla Powerwall Certified Installer, we have undergone specialized training and meet all technical, permitting, and safety requirements set by Tesla. Our team is equipped to handle both new solar + storage systems and retrofit installations, giving homeowners access to the most advanced home battery storage technology on the market.
Why Choose Ion Solar Pros as your Tesla-Certified Installer?
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Expert Installation: Our technicians are trained in Tesla's best practices to ensure a seamless and code-compliant installation.
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Warranty Protection: Certified installations protect the Tesla warranty, including
performance and product coverage. -
Faster Turnaround: Our experience and reputation in the marketplace streamlines the permitting, design, and installation process—getting your Tesla Powerwall 3 project designed, permitted, installed and PTO(Permission to Operate) Approved by the utility quicker.
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System Optimization: We custom design your Tesla Powerwall 3 system based on your home’s energy usage, solar production, and backup needs to reduce your cost and maximum your ROI.
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Local Knowledge: As a regional expert in solar and battery storage in Connecticut, Massachusetts, New York, Rhode Island, and surrounding states, we have expert knowledge and experience in State and Local Building and Permitting Requirements as well as State and Federal Solar and Battery Incentives available in your area.
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When you choose Ion Solar Pros, you're not just installing Solar and Home Battery
Backup —you’re partnering with a team that’s trusted by Tesla and committed to your
energy independence.
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Get started today with a consultation from your local Tesla Powerwall Certified Installer.
Tesla Powerwall 3 Features
The Tesla Powerwall 3 brings advanced functionality, smart energy control, and industry-leading performance to homeowners seeking reliable solar battery storage.
With a range of cutting-edge features, Powerwall 3 is designed to deliver maximum efficiency, safety, and long-term value for your home.
Key Features of the Tesla Powerwall 3:
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13.5 kWh Usable Energy Capacity
Store clean, renewable energy from your solar panels and use it when you need
it most—during peak hours or power outages
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Built-In 11.5 kW AC Inverter
The integrated hybrid inverter supports both solar input and battery output,
simplifying installation and reducing equipment costs.
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Whole-Home Backup Capability
Powerwall 3 can back up your entire home, not just critical circuits, with a peak
load-start capacity of 185 LRA—ideal for large appliances and HVAC systems.
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DC-Coupled System for High Efficiency
Advanced DC coupling allows for a more efficient energy transfer between your
solar panels, battery, and home, maximizing your solar investment.
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Scalable and Modular Design
Need more storage? Stack up to four Powerwall 3 units per household for
expanded capacity and greater energy independence.
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Durable for All Environments
NEMA 3R-rated for both indoor and outdoor installation, Powerwall 3 is built to
perform in extreme weather conditions—from -4°F to 122°F.
Whether you're looking to cut utility costs, add solar battery backup, or achieve full
energy independence, the Tesla Powerwall 3 delivers dependable performance and
next-level convenience. Installed by Ion Solar Pros, it’s the smart choice for modern
homeowners.
Tesla Powerwall App: Total Energy Control at Your Fingertips
One of the most powerful features of the Tesla Powerwall 3 is its seamless integration with the Tesla Powerwall App—giving you complete visibility and control over your home’s energy usage from anywhere, at any time. With this smart mobile app, homeowners can easily monitor, manage, and optimize their solar energy system for peak performance and savings.
Key Features of the Tesla Powerwall App
Real-Time Energy Monitoring
Track how much solar energy your panels are producing, how much your home is
consuming, and how much is being stored or pulled from the grid—all in real time.
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Backup Reserve Settings
Set your desired backup reserve level to ensure your Powerwall always retains enough
stored energy for unexpected outages.
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Time-Based Control
Optimize savings by programming your Powerwall to charge and discharge based on
time-of-use electricity rates—use stored energy when utility costs are highest.
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Storm Watch Mode
Stay protected with automatic alerts and storm preparation. Powerwall will automatically
charge to full capacity when severe weather is detected in your area.
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Remote Access
Whether you're at home or away, you can access and control your Powerwall system
right from your phone, tablet, or computer.
Why the Tesla App Enhances the Powerwall 3 Experience
The Tesla Powerwall App turns your energy system into a smart, self-managing powerhouse. It gives you the ability to see how much you're saving, how efficiently your solar is working, and how much power you’ll have during an outage—all through an intuitive, user-friendly interface.
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When you install your Powerwall 3 with Ion Solar Pros, we guide you through setting up and customizing the app so you can get the most out of your system from day one.
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Take control of your home energy future with the Tesla Powerwall App—your personal
dashboard for energy independence, savings, and peace of mind.
Tesla Powerwall 3 Specs
Tesla Powerwall is a fully integrated AC battery system for residential or light commercial use. Its rechargeable lithium-ion battery pack provides energy storage for solar self-consumption, time-based control, and backup.
Powerwall's electrical interface provides a simple connection to any home or building.
Its revolutionary compact design achieves market-leading energy density and is easy to install, enabling owners to quickly realize the benefits of reliable, clean power.
Energy Capacity
13.5 kWh*​
On-Grid Power
11.5 kW continuous
Backup Power
11.5 kW continuous
185 LRA motor start
Seamless backup transition
Scalable
System expansion available anytime
40.5 kWh max addition per unit
Size and Weight
H x W x D

43.5" x 24" x 7.6"
287 lbs​
Installation
Integrated inverter and system controller
-4°F to 122°F
Flood and dust resistance2**
Inverter
Solar-to-grid efficiency 97.5%
6 solar inputs with
Maximum Power Point Trackers
Power Your
Home
Control Your Energy From Anywhere
Whole-Home Backup, 24/7
Store Extra Energy​
Tesla Energy Certified Installer
