Tesla Powerwall 3 Expansion Pack
Tesla Powerwall 3 Expansion Pack in Newcastle
Looking to expand your home battery system? The Tesla Powerwall 3 Expansion Pack is now available in Newcastle, giving households and businesses the ability to increase storage capacity without replacing their existing system.
What is the Tesla Powerwall 3 Expansion Pack?
The Expansion Pack is designed for households that already have a Tesla Powerwall 3. Instead of installing another full unit, you can add extra storage with an expansion module. This means more usable energy, better blackout protection, and smarter energy management—without the cost of duplicating components.
Why Choose the Expansion Pack for Newcastle Homes & Businesses?
The Tesla Powerwall 3 Expansion Pack adds an extra 13.5kWh of storage to your existing Powerwall 3, giving Newcastle households and businesses more solar savings, stronger blackout protection, and the flexibility to scale their system as energy needs grow. Here’s why locals are choosing it:
- More Storage, Less Cost – Add 13.5kWh of extra capacity without the expense of another full inverter. It’s a smarter, more affordable way to boost storage and lower bills in Newcastle.
- Seamless Integration – The expansion pack connects directly to your existing Powerwall 3. Your master unit takes care of control and monitoring, making it a smooth upgrade with no fuss.
- Federal Rebate Savings – The new Federal Battery Rebate (Cheaper Home Batteries Program) is expected to apply to Tesla systems. This means Newcastle households expanding their Powerwall may qualify for significant savings, making it easier and more affordable to upgrade their home energy storage.
- Scalable Storage for Growing Needs – You can add up to three expansion packs per Powerwall 3—meaning a huge 40.5kWh of additional storage. Perfect for larger households, EV charging, or small businesses in the Hunter region.
Tesla Powerwall 3 Expansion Pack Specs
Nominal Battery Energy
13.5 kWh
Operating Temperature
–20°C to 50°C (–4°F to 122°F)2
Operating Humidity (RH)
Up to 100%, condensing
Environment
Indoor and outdoor rated
Enclosure Rating
NEMA 3R
Ingress Rating
IP67
Dimensions
43.5 x 24 x 6.6 in (1105 x 609 x 168 mm)3
Total Weight of Wall-Mounted Unit (includes cover and bracket)
261.2 lb (118.5 kg)
Stacking Capability (Floor Mount Only)
Up to (3) Expansion units behind a Powerwall 3
Compatibility with Other Systems
Only compatible with Powerwall 3
Installation in Newcastle: What to Expect
When you choose HCB Solar, your Powerwall 3 Expansion Pack installation is handled by certified Tesla installers. We assess your current system, recommend the right expansion size, and ensure compliance with Australian standards.
Most installations in Newcastle are completed within a day, with minimal disruption to your household.
Why Choose HCB Solar in Newcastle?
- Certified Tesla Installers – We’re trained to install and expand Tesla systems.
- Local Expertise – Based in Newcastle, we understand local grid conditions and energy usage.
- Full Service – From solar panels to batteries, EV chargers, and ongoing support.
- Trusted by Locals – Our installations power homes across Newcastle, Lake Macquarie, and the Hunter Valley.
FAQs About Tesla Powerwall 3 Expansion Pack
Yes, the system is designed for modular expansion.
No, the expansion pack integrates directly with your existing Powerwall 3.
A typical household may start with 13.5kWh, but adding a second pack can double storage—ideal for families with high evening use or EV charging.
Most likely, yes—if the installation meets federal program requirements.
Contact us
Ready to expand your solar storage?
HCB Solar is Newcastle’s trusted installer for Tesla Powerwall 3 Expansion Packs. Whether you want lower bills, stronger blackout protection, or extra capacity for an EV, our team will design and install the right solution.
We only use trusted solar suppliers
HCB Solar has carefully chosen our partners and suppliers.
We are proud to be Newcastle’s certified Tesla Powerwall Installer.
The solar products we recommend are truly the best in the country.