Your Powerwall 3 could get even BIGGER
Purchase and install a Tesla Powerwall 3 with SolarBright and go into the draw to win 1 of 3 Powerwall Expansion units, each worth $9,000. That’s an extra 13.5 kWh of battery storage if you win.
Enter the Draw
Win a Tesla Battery Expansion Unit
Tesla Powerwall 3 Expansion Pack Specs
- Usable Capacity: 13.5 kWh
- Compatibility: Works exclusively with Tesla Powerwall 3
- Installation: Wall-mounted, stackable mounted, indoor/outdoor
- Operating Temperature: -20°C to 50°C
- Dimensions: H: 1098 mm x W: 609 mm x D: 193 mm
- Warranty: 10 years
- Expandable: Up to 3 Expansion Packs (total system capacity: 54 kWh)
Talk to Our Solar Battery Expert
Tesla Powerwall 3 Expansion Pack Advantages
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No Extra Inverter Needed
The expansion pack connects directly to your Powerwall 3 using its inverter, avoiding added costs or complex wiring. This keeps your system efficient and affordable for expanding storage.
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Save on "Sun Tax"
Store excess solar energy instead of exporting it to avoid low feed-in tariffs and potential “sun tax” charges. Use your power during peak rates or at night to save more over time.
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Federal Solar Battery Rebate Qualified
Powerwall 3 Expansion Packs qualify for various government rebates and incentives, reducing your upfront costs while enhancing energy efficiency and backup capacity.
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VPP Compatibility
Fully compatible with Virtual Power Plant (VPP) programs, you can earn credits by sharing stored energy with the grid during high-demand times, creating a potential income stream.
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Easy Installation
Install each expansion pack in under 30 minutes using Tesla's harness and mounting kits. There’s no need for new inverters or complex wiring, making the process quick and cost-effective.
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Scale as Needed
Start small and expand later. Add up to three expansion packs per Powerwall 3 for a total of 54 kWh, ensuring your system grows with your energy needs.
Installation Backed By Award winning SolarBright.
- Operating Since 2008
- Solar and Battery Expert
- Rated Top 10 in Australia for Quality
- Over 18,000 Installations
- Australian Family Owned
Premium Install. The SolarBright Standard.
Powerwall Premium Certified Installer
For homeowners adding a Tesla Powerwall 3 Expansion Pack, it means you get the premium experience from start to finish:
- System Designed Around Your Home: Your Powerwall 3 system is sized around your energy needs and goals.
- Premium Installation: A clean, compliant installation designed to integrate seamlessly with your home.
- Professional Commissioning: Your system is commissioned and connected to the Tesla app, ready for you to monitor.
- Ongoing SolarBright Support: Support after installation, including monitoring assistance and coordination with Tesla when required.
Flexible Storage Solutions
Looking for customised Tesla Powerwall 3 Solutions?

As Tesla Certified Installers, SolarBright delivers expert advice and tailored battery solutions.
Whether you’re starting fresh with a Powerwall 3 or expanding your existing system, we’ll help you choose the ideal setup for your home.
Good Old School Customer Service. Everything in Australia.
Perfect Stress Free Installation
At SolarBright, we’ve built our reputation on award-winning service and clean, professional installations. With thousands of systems installed across NSW our aim is to make the process easy and stress free.
- Authorised Tesla Powerwall Installers
- Award-winning service
- All rebates handled on your behalf
Start Your Energy Independence Journey
Tesla Powerwall 3 Expansion Pack FAQs
Here are some of the frequently asked questions about Tesla Battery Giveaway. If you still have any questions, please free to get in touch with us and one of our friendly team members will be happy to help.
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Can the Tesla Powerwall 3 Expansion Pack operate on its own without a Powerwall 3?
No. The Expansion Pack is not a standalone battery and is designed to operate only when connected to a Tesla Powerwall 3.
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Will I need to upgrade my inverter to add a Tesla Powerwall 3 Expansion Pack?
No inverter upgrade is needed. The Expansion Pack connects directly to your existing Powerwall 3 system and uses the integrated inverter. No additional inverter hardware is required.
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Is the Tesla Powerwall 3 Expansion Pack compatible with Powerwall 2 or other battery systems?
No. The Expansion Pack is only compatible with Tesla Powerwall 3. It does not work with Powerwall 2 or any third-party battery systems.
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How is the Tesla Powerwall 3 Expansion Pack monitored and managed?
Monitoring is done through the Tesla app which displays the combined system performance. You will see the total capacity and energy flow are updated in real-time.
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How is the Tesla Powerwall 3 Expansion Pack installed?
The Expansion Pack is designed for flexible installation. It can be wall-mounted next to your existing Powerwall 3 or stacked directly in front of it.
