Tesla Powerwall 3 Expansion Pack

The Tesla Powerwall 3 Expansion Pack is designed for homeowners who want extra energy storage beyond the standard Powerwall 3 capacity.

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Looking to boost the capacity of your Powerwall 3 system?

The Tesla Powerwall 3 Expansion Pack gives Albany homes a smarter, more affordable way to increase energy storage. Now available through Albany Solar, this add-on battery module lets you unlock extra capacity without paying for another full inverter system — making it one of the most cost-effective upgrades on the market.

Ideal for homes across Albany and the Great Southern region, the expansion pack is perfect for anyone who already has a Powerwall 3 and wants longer backup power, higher solar self-consumption, and greater energy independence.

What the Tesla Powerwall 3 Expansion Pack Actually Does

The Expansion Pack is a battery-only unit designed to connect directly to your existing Powerwall 3. Because it uses your current Powerwall 3 inverter, you get more storage without the extra hardware cost.

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Why Upgrade to the Tesla Powerwall 3 Expansion Pack?

The Tesla Powerwall 3 Expansion Pack gives Albany homeowners an easy and cost-effective way to increase their battery storage without buying another full Powerwall system.

  • Major Storage Boost Without the Full Price Tag:

    Each Expansion Pack adds 13.5 kWh of usable energy. Because it connects to your existing Powerwall 3 inverter, you avoid the cost of extra hardware.

  • Greater Energy Security All Year Round:

    With more storage, your home can run longer during outages, power more appliances at night, and store more of your daytime solar.

  • Simple, Plug-In Integration:

    The Expansion Pack links directly to your main Powerwall 3 unit. Your existing system handles the control and management.

  • Big Savings with the Federal Battery Rebate:

    With the Cheaper Home Batteries Program which is now live, homeowners can access rebates to further decrease costs.

     

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How to Order Your Tesla Powerwall 3 Expansion Pack

Ready to increase your home’s battery capacity? Here’s how to get started with Albany Solar:

1. Request a Quote

Reach out to Albany Solar for a customised assessment of your home’s energy needs and your current Powerwall 3 setup.

2. Review Available Rebates

Our team will guide you through the upcoming federal battery incentives and help you understand what support you may qualify for.

3. Book Your Installation

Albany Solar’s trained technicians will install and commission your Expansion Pack quickly and professionally.

4. Take Control of Your Energy

Once installed, you can track performance, backup readiness, and solar usage through the Tesla app — giving you full visibility and control.

Important: Expansion Packs are extremely popular, and rebate programs can shift. Contact us early to secure your installation window.

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federal battery rebate tesla powerwall 3 expansion pack

Powerwall 3 Expansion Pack Specifications

Battery Specifications

  • Model Reference: 1807000-xx-y

  • Usable Energy Capacity: 13.5 kWh

  • Operating Voltage Range: 52 – 92 V DC

  • Initial State of Energy: 25% (factory setting)

  • Maximum Installation Elevation: Up to 3000 m

Mechanical Details

  • Dimensions: 1105 mm (H) × 609 mm (W) × 168 mm (D)

  • Weight (Wall-Mounted, with cover & bracket): 118.5 kg

  • Weight (Battery unit only, without cover or bracket): 110 kg

  • Installation Options: Wall mount or floor mount

  • Stacking (Floor Mount Only): Supports up to three Expansion Packs behind a single Powerwall 3

System Compatibility

  • Compatible Systems: Powerwall 3 only

  • Connection Method: Expansion harness linking to the Powerwall 3 or additional expansion units

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