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The Tesla Powerwall 3 is Tesla’s most powerful and advanced home battery system, delivering 13.5kWh usable capacity, an integrated solar inverter, and the ability to output up to 11.5kW of continuous power. Built for Australian conditions, it provides whole-home backup, maximises solar energy self-consumption, and future-proofs your home with scalable expansion options.
Tesla is a global leader in clean energy, solar, and electric vehicle innovation. With a mission to accelerate the world’s transition to sustainable energy, Tesla has developed some of the most trusted and advanced home energy solutions available. The Powerwall series is backed by Tesla’s expertise in battery engineering, cutting-edge software, and ongoing updates via the Tesla App — making the system smarter and more efficient over time.
13.5kWh Usable Capacity – Store surplus solar for night use and grid outages.
Up to 11.5kW AC Output – Power large appliances and EV chargers with confidence.
Integrated Solar Inverter – Connect directly to solar panels (up to 20kW DC input) without needing a separate inverter.
Whole-Home Backup – Seamless protection against outages, with 185A load start capability for heavy appliances.
Expandable & Scalable – Combine up to 4 Powerwalls plus 3 expansion units (7 total).
Durable & Weather Resistant – IP67 battery enclosure, IP55 wiring compartment, suitable for indoor and outdoor installation.
Quiet Operation – Runs below 50dB for residential-friendly performance.
Smart Energy Management – Control and monitor in real-time with the Tesla App.
The Tesla Backup Gateway 2 and Gateway 3 work as the intelligent control center for Powerwall 3. They manage the connection between the grid, solar panels, and the battery while automatically detecting outages and providing instant backup power.
Gateway Benefits:
Enables whole-home or partial backup depending on system design.
Provides revenue-grade energy metering (±0.2%) for accurate tracking.
Supports solar self-consumption, time-of-use optimisation, and grid services.
Seamlessly integrates with up to 10 Powerwalls in AC-coupled systems.
With the Backup Gateway, your Powerwall 3 becomes a complete home energy ecosystem — ensuring uninterrupted power and advanced system control.
Usable Energy: 13.5kWh
Continuous Power Output: Up to 11.5kW AC
Solar Input: Up to 20kW DC, 3–6 MPPTs
Efficiency: 97.5% solar-to-grid, 89% solar-to-battery-to-grid
Scalability: Up to 4 Powerwall 3 units + 3 expansion packs
Operating Temperature: –20°C to +50°C
Enclosure: IP67 (battery), IP55 (wiring)
Dimensions: 1105 × 609 × 193 mm
Weight: 130–132 kg
Tesla backs the Powerwall 3 and Backup Gateway with a 10-year comprehensive warranty, This warranty ensures that your system retains strong performance over the long term, delivering reliable savings and peace of mind for a decade.
The Tesla Powerwall 3 combines high-capacity storage, superior continuous power output, and an integrated solar inverter — making it one of the most complete energy solutions for Australian homes. Backed by Tesla’s global reputation and innovation, it’s the clear choice for households that want:
Lower energy bills
Reliable home backup during blackouts
Long-term energy independence
Scalable, future-ready technology
The Tesla Powerwall 3 with Backup Gateway is more than just a battery — it’s a fully integrated energy management system. With unmatched performance, seamless backup capabilities, and a 10-year warranty, it gives you total confidence in powering your home with renewable energy.
Perfect for Australian homes that want maximum savings, resilience, and long-term value
All our products are covered by the Manufacturer's Warranty, which guarantees that they will be free from defects in materials and workmanship under normal use and service. The specific terms and duration of the warranty may vary depending on the product and the manufacturer. Please refer to the product's documentation or contact our customer support team for detailed warranty information.
Warranty Claim Process
In the unfortunate event that you encounter a faulty product, we want to make the warranty claim process as seamless as possible for you. To initiate a warranty claim, please follow these steps:
If damage is confirmed to be from normal wear-and-tear, drops, unauthorized repairs, or other non-warranty factors, service and shipping fees will apply. In such cases, we will contact the customer for approval before proceeding with paid repairs.
Unfortunately we cannot provide loaner units during the warranty repair process. For mission-critical equipment, we highly recommend purchasing backup units to prevent downtime in case of defects.
You have 30 calendar days to return an item from the date you received it.
To be eligible for a return:
Upon receiving your order, we kindly request that you thoroughly inspect all packages within 7 days of delivery. This inspection period is crucial as it allows you ample time to identify any visible damage caused during transit. Please keep in mind that promptly reporting any freight damage is vital in safeguarding your right to file a claim and ensuring a swift resolution.
Should you identify any freight damage during the inspection, we urge you to notify us immediately. Our customer support team is ready to assist you through the claim filing process and provide the necessary guidance to ensure a smooth and hassle-free experience.