TESLA POWERWALL 3 EXPANSION PACK
Expand with the Expansion Pack
Already have a Tesla Powerwall 3? Now you can easily grow your home battery capacity with the new Tesla Powerwall 3 Expansion Pack. Designed for Australian homes using the latest Tesla technology, it lets you add more storage without replacing your existing system — perfect for growing households, EV charging, or rising energy needs.
Why Upgrade with the Tesla Powerwall 3 Expansion Pack?
The Tesla Powerwall 3 Expansion Pack adds 13.5 kWh of extra storage to your existing Powerwall 3 setup — giving you more solar to use when you need it most. It’s the easiest way to boost your home’s backup power and cut down your reliance on the grid.
All installations are handled by Apex Solar’s local team, trusted across the Mid North Coast for quality workmanship and reliable after-sales support.
Key Benefits
Seamless Integration
The Expansion Pack connects directly with your Powerwall 3 — no extra inverter required. The same Tesla app monitors your full energy system.
More Energy Storage
Each unit adds around 13.5 kWh of usable capacity, helping you power more of your home from stored solar.
Flexible Growth
Start with one Powerwall and scale up later. Expansion Packs make it easy to match your system to your lifestyle.
Backup Ready
Keep more circuits running during an outage by expanding your battery bank. Ideal for households wanting stronger blackout coverage.
TAKE ADVANTAGE OF THE FEDERAL BATTERY REBATE
If you’re expanding an existing Tesla system, you may still qualify for the Federal Battery Rebate depending on your state and energy provider. This can reduce your upgrade cost significantly.
How to Order Your Tesla Powerwall 3 Expansion Pack
Ready to expand your home’s solar storage? Here’s how to get started with Apex Solar, your trusted Tesla Powerwall 3 installer on the Mid North Coast:
1. Request Your Quote
Get in touch with our local team for a free, no-obligation quote based on your existing Powerwall setup and energy goals.
2. Check Rebate Eligibility
We’ll walk you through the Federal Battery Rebate and any other available incentives to help lower your upgrade cost.
3. Book Your Installation
Our accredited technicians handle the entire process — from system check to installation — following Tesla’s strict safety and performance standards.
4. Start Saving Smarter
Once installed, use the Tesla app to monitor your energy use, solar generation, and storage performance in real time.
WE'RE A CERTIFIED POWERWALL INSTALLER
Enjoy the full benefits of working with a certified installer at no additional cost, ensuring your Powerwall 3 is installed with precision. Our in-house team of skilled technicians handles every step of the process. Plus, you’ll have access to local expert support whenever needed.
TESLA POWERWALL 3 EXPANSION PACK SPECS
Battery Technical Specifications
Model Number :1807000-xx-y
Nominal Battery Energy : 13.5 kWh
Voltage Range : 52 – 92 V DC1
Environmental Specifications
Operating Temperature : –20°C to 50°C
Operating Humidity (RH) : Up to 100%, condensing
Storage Temperature : –20°C to 30°C
State of Energy (SOE): 25% initial
Maximum Elevation : 3000 m
Indoor and outdoor rated
Mechanical Specifications
Dimensions: 1105 x 609 x 168 mm
Total Weight of Wall-Mounted Unit (includes cover and bracket): 118.5 kg
Weight of Powerwall 3 : Expansion (no cover or bracket): 110 kg
Mounting Options : Floor or wall mount
Stacking Capability (Floor Mount Only) : Up to (3) Expansion units behind a Powerwall 3
Compatibility with Other Systems : Only compatible with Powerwall 3
Connection to Powerwall 3 or Expansions : Expansion Harness