Tesla Powerwall 3 Expansion Pack
Expand Your Tesla Powerwall 3 Energy Storage with E-Smart Solar
Looking to boost your home’s energy storage capacity? The Tesla Powerwall 3 Expansion Pack is now available through E-Smart Solar, your trusted local solar and battery experts in the Blue Mountains and Penrith regions.
This smart add-on is designed for existing Powerwall 3 owners who want to increase storage capacity, enhance energy independence, and make the most of their solar investment — all with seamless integration and the same sleek Tesla design.
The Powerwall 3 Expansion Pack is a battery-only unit that connects directly to your existing Tesla Powerwall 3 system. It doesn’t require an additional inverter, making it a simple, efficient way to scale up your energy storage.
Using your Powerwall 3’s integrated inverter, the expansion pack captures and stores excess solar energy during the day. This stored power can then be used at night, during peak tariff periods, or even during power outages — keeping your home running smoothly and reducing your dependence on the grid.
Why Choose the Tesla Powerwall 3 Expansion Pack?
The Tesla Powerwall 3 Expansion Pack adds 13.5 kWh of additional storage to your existing Powerwall 3 system. This upgrade maximises your solar savings, increases home backup power, and gives you greater energy independence — all expertly installed by E-Smart Solar across the Blue Mountains and Penrith regions.
Here’s why homeowners are upgrading:
More Storage, Less Cost: Gain 13.5 kWh of extra battery capacity without adding another inverter. It’s a smart, efficient way to boost your home’s storage.
Seamless Integration: The expansion pack connects directly to your Powerwall 3, with the main unit managing both batteries for smooth performance.
Rebate Ready: The Federal Cheaper Home Batteries Program, which is now live, is offering significant savings on approved Tesla battery upgrades — making now the perfect time to prepare.
Scalability: Add up to three expansion packs per Powerwall 3, giving you as much as 40.5 kWh of total additional capacity for larger or growing households.
Energy Independence: Store more solar energy to use day or night, during peak tariffs, or in power outages — reducing grid reliance and improving resilience.
Sustainable Living: Lower your carbon footprint with clean, renewable power and align your home with Australia’s Net Zero future.
Tesla Powerwall 3 Expansion Pack – Technical Specifications
Battery Specifications
Model Number: 1807000-xx-y
Nominal Energy: 13.5 kWh
Voltage Range: 52–92 V DC
State of Energy (SOE): 25% initial
Compatibility: Works exclusively with Tesla Powerwall 3
Connection Type: Expansion Harness connection to Powerwall 3 or additional expansion units
Environmental Specifications
Operating Temperature: –20°C to 50°C
Storage Temperature: –20°C to 30°C
Operating Humidity: Up to 100% relative humidity, condensing
Maximum Elevation: 3,000 m
Installation Rating: Suitable for indoor and outdoor installation
Mechanical Specifications
Dimensions (H x W x D): 1105 x 609 x 168 mm
Weight (including cover and bracket): 118.5 kg
Weight (battery only): 110 kg
Mounting Options: Floor or wall mount
Stacking Capability: Up to three (3) expansion units behind a single Powerwall 3 (floor mount only)
How to Order Your Tesla Powerwall 3 Expansion Pack
Ready to upgrade your home’s solar energy storage? Here’s how to get started with E-Smart Solar, your local Tesla Powerwall 3 specialist in the Blue Mountains and Penrith:
- Request a Quote: Contact E-Smart Solar for a free, no-obligation quote tailored to your energy needs and existing Powerwall setup.
- Check Your Eligibility: Our team will guide you through the upcoming Federal Battery Rebate and any state incentives available to help reduce upfront costs.
- Schedule Installation: Our certified and experienced installers ensure a smooth, professional setup that’s fully compliant with Tesla standards.
- Start Saving: Use the Tesla app to track your energy generation, battery performance, and savings in real time — enjoying greater independence from the grid.
Demand for Powerwall 3 Expansion Packs is growing rapidly, and rebate availability may change.
Take Control of Your Energy Future
The Tesla Powerwall 3 and Expansion Pack, installed by E-Smart Solar, give homeowners across the Blue Mountains and Penrith the ability to store clean solar energy and use it whenever it’s needed — day or night.
Tesla Powerwall 3 Expansion Pack – FAQs
What is the Tesla Powerwall 3 Expansion Pack?
The Powerwall 3 Expansion Pack is a battery-only unit that connects directly to an existing Tesla Powerwall 3. It increases your total storage capacity by 13.5 kWh, helping you store more solar energy and reduce reliance on the grid.
Do I need a separate inverter for the Expansion Pack?
No — the Expansion Pack uses the Powerwall 3’s built-in inverter. This makes installation simpler and more affordable while maintaining the same efficiency and performance.
How many Expansion Packs can I add?
Each Tesla Powerwall 3 can support up to three Expansion Packs, giving you as much as 40.5 kWh of additional storage for larger or high-energy homes.
Am I eligible for the Federal Battery Rebate?
Yes — households installing eligible systems from 1 July 2025 can apply for support through the Cheaper Home Batteries Program. E-Smart Solar will help you confirm your eligibility and handle the application process.
How long does installation take?
Most upgrades are completed within one day, depending on your existing setup. E-Smart Solar’s accredited installers ensure a safe, efficient installation that meets Tesla’s exacting standards.
