Tesla Powerwall 3 is an advanced 13.5kWh battery storage system with an solar inverter, 11.5kW continuous power, and seamless backup support. Designed for homes with new or existing solar systems, it delivers reliable storage, blackout protection, and lower installation costs.
Powerwall 3 is an all-in-one solar and battery energy storage system designed for modern home energy systems. This compact home battery combines AC-coupled capability and intelligent energy control in one sleek unit. It’s designed to power modern homes efficiently, enhance solar self-consumption, and provide reliable backup energy when you need it most.
With Powerwall 3, you’re investing in a smarter, stronger, and more sustainable energy future.
Store up to 13.5 kWh of usable battery capacity to power your home day and night.
With a continuous output of 11.5 kW AC, Powerwall 3 supports high-demand appliances and electric vehicle charging without interruption.
When the grid goes down, the system activates instantly to provide backup power during a blackout or unexpected power outage, using stored energy to keep essential systems running without interruption.
Powerwall 3 is a cutting-edge inverter and battery storage solution designed to make your home smarter, more efficient, and energy independent. It lowers electricity costs, enhances solar performance, and ensures reliable backup power — all within a compact, modern design.
Store more of your solar energy and use it efficiently throughout the day and night.
With up to 20kw of solar capacity (DC) and an integrated inverter, Powerwall 3 helps you reduce reliance on the grid and maximize renewable energy use.
The built-in inverter simplifies setup by removing the need for external components.
This reduces installation time, minimizes costs, and boosts efficiency.
Monitor, manage, and optimize your home’s energy in real-time with the Tesla app.
Track solar production, consumption, and battery levels anytime, anywhere.
Expand your Powerwall system with additional expansion units to increase total storage capacity as your energy needs grow. The expansion pack integrates seamlessly with your existing solar panels, offering flexible scalability without replacing your current setup.
Tesla Powerwall 3 is a smart investment for homeowners looking to gain energy independence, reduce electricity bills, and secure reliable backup power.
Whether you already have solar panels or plan to install them, Powerwall 3 helps you store, manage, and optimize your home’s energy — efficiently and sustainably.
Download the official datasheet to review full technical specifications, installation requirements, electrical ratings, and system compatibility. The document includes detailed performance data, dimensions, operating temperature range, inverter specifications, and expansion options.
As a trusted solar retailer in Sydney, we provide end-to-end solutions — from consultation to installation and ongoing maintenance. With years of experience and a proven track record across Sydney, our customers trust us for reliability, efficiency, and transparency.
All our installers are accredited by Solar Accreditation Australia (SAA), ensuring your system meets Australia’s highest industry standards.
We only use Tier 1 solar panels and premium batteries (brands like Enphase, Tesla, AIKO and Sigenergy) backed by long-term warranties.
We understand Sydney’s roofs, weather, and grid requirements — designing each system for maximum sunlight exposure and long-term performance.
Your project is handled entirely by our in-house team of certified electricians and solar experts — never outsourced.
From rooftops to battery rooms — meet the crew lighting up Sydney with clean energy.
Explore key details about installation, usage, and compatibility.
For most homes, installation costs vary depending on whether you’re adding the system to an existing solar setup or installing solar at the same time. To understand the exact total cost of a Powerwall 3 system, a site assessment from a certified installer is required.
Battery installation can be completed as an indoor or outdoor installation, depending on your property layout. The unit is securely mounted, connected to your switchboard, integrated with your home’s electrical system, and configured for reliable backup operation.
The Tesla Backup Gateway manages how the system operates during normal conditions and during a blackout. Backup Gateway 2 isolates your home from the network and allows stored energy to provide power during a blackout.
This Tesla Gateway automatically detects outages and switches your home to battery power without interruption, ensuring essential circuits continue operating.
Powerwall 3 features an integrated solar inverter, eliminating the need for a separate solar inverter in many installations.
Unlike traditional systems that require a hybrid inverter or separate and storage setup, this design combines inverter and battery into one unit, simplifying system architecture and reducing component count.
Powerwall 3 can be installed with an existing system or during a new installing solar project.
It is compatible with AC-coupled battery system configurations and can work alongside an existing Powerwall in certain upgrade scenarios. System design depends on compatibility and electrical layout.
Powerwall 2 is an AC-coupled battery that works with a separate solar setup, making it suitable for retrofitting existing solar systems.
Powerwall 3 is an all-in-one unit with higher power output and integrated solar functionality, designed primarily for new installations or larger systems.
New Powerwall 3 supports significantly higher solar input and delivers greater continuous power compared to Powerwall 2.
The internal architecture and connection method are different between the two models.
Important: Powerwall 2 and Powerwall 3 are not compatible with each other and cannot be combined in the same system.
At Sydney Air & Solar, we only offer products we’d proudly install on our own roofs. Every system is carefully selected and tested in-house to ensure performance, safety, and reliability. We choose brands that not only meet our high standards but also provide reliable after-care and support, so you’re backed long after installation.
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