Tesla Powerwall 3 Expansion
How the Tesla Powerwall 3 Expansion Pack Works
The Expansion Pack is a battery-only unit that pairs directly with your existing Tesla Powerwall 3. It contains no inverter — the Powerwall 3’s built-in inverter manages both batteries seamlessly. This means:
• More solar stored during the day
• Less reliance on grid power at night
• Extended backup during outages
• Full visibility and control through the Tesla app
Whether you’re dealing with evening peak tariffs, heatwave-driven demand spikes, or grid instability, the Expansion Pack gives you extra capacity when you need it most.
Why Choose the Tesla Powerwall 3 Expansion Pack?
+ 13.5 kWh More Storage
Increase your system capacity without adding another inverter.
Plug-and-Play Upgrade
Connects directly to your existing Powerwall 3 for seamless integration.
Rebate-Eligible
Qualifies for the new federal battery support program which launched on July 2025.
Scalable
Add up to three expansion packs for a huge 40.5 kWh of extra storage.
Greater Energy Independence
Store more solar, cut grid reliance and get longer backup during outages.
Built for Sustainable Living
Reduce emissions and support Australia’s shift toward cleaner energy.
How to Order Your Tesla Powerwall 3 Expansion Pack
1. Request a Quote
Contact Photon Solar for a customised quote based on your home’s solar system and energy needs.
2. Check Your Rebates
Our team will guide you through the upcoming federal battery rebate program and help you access any eligible incentives.
3. Book Your Installation
As Tesla Certified Installers, we ensure a smooth, professional setup compatible with your existing Powerwall 3.
4. Enjoy More Storage & Independence
Use the Tesla app to monitor your energy, extend backup protection and maximise your solar savings.
Expansion packs are already in strong demand — availability and rebates can change, so securing your order early is recommended.
The Tesla Powerwall 3 Expansion Pack gives Alice Springs homeowners more resilience, more stored solar and greater control over energy bills. It’s a powerful upgrade for anyone wanting improved backup, better self-sufficiency and smarter home energy management.
Powerwall 3 Expansion Pack Specifications
Battery Specifications
Model Number: 1807000-xx-y
Nominal Energy: 13.5 kWh
Voltage Range: 52 – 92 V DC
State of Energy (Initial): 25%
Mechanical Specifications
Dimensions: 1105 × 609 × 168 mm
Total Weight (with cover & bracket): 118.5 kg
Expansion Pack Weight (no cover/bracket): 110 kg
Mounting Options: Wall mount or floor mount
Stacking (Floor Mount Only): Up to three Expansion Packs behind one Powerwall 3
System Compatibility: Only works with Powerwall 3
Connection Method: Expansion harness directly linking to the main Powerwall 3 or other expansions
Why Order from Photon Solar?
Photon Solar is one of Central Australia’s most trusted solar and battery specialists. We provide expert installation, local experience and full support with rebates and system design.
We focus on energy management and bill reduction, making sure your Tesla Powerwall system delivers maximum value in Alice Springs’ unique climate and grid conditions.
Our team manages the entire process — site inspection, system configuration, installation and ongoing support — ensuring a professional, reliable result every time.
Photon Solar has helped countless NT households gain true energy independence with seamless Tesla Powerwall installations. Join the growing number of locals powering their homes with clean, dependable energy.
