Product Summary
The Tesla Powerwall 2 is a rechargeable lithium-ion battery designed to store energy from solar panels or the grid. This allows homeowners to power their homes after sunset, during power outages, or to avoid peak electricity rates. Key specifications include a 13.5 kWh usable capacity and a 10-year warranty. In 2025, the typical installed price for a Tesla Powerwall 2 in Australia ranges from approximately $11,700 to $13,900 AUD.
Official Specifications
Below are the official specifications for the Tesla Powerwall 2 AC model.
| Feature | Specification |
|---|---|
| Product Name | Powerwall 2 AC |
| Associated Equipment | Backup Gateway 2 |
| Warranty (years) | 10 |
Please note: Specifications and pricing are subject to change. While TGND strives to provide accurate information, for a definitive and up-to-date quote, please use the form below to connect with an accredited professional.
Official Product Documentation
Official Documentation: Download the Official Datasheet (PDF)
Australian Price & Availability
In 2025, the installed cost of a Tesla Powerwall 2 in Australia typically falls between $11,700 and $13,900 AUD. This price can be influenced by several factors, including the complexity of the installation, the location of the property, and any necessary switchboard upgrades. While the Powerwall 2 has been a popular choice, prospective buyers should be aware that it is being phased out in favor of the newer Powerwall 3, which may affect availability. Some suppliers have indicated that the Powerwall 2 is currently out of stock.
Comparison with Competitors
The home battery market in Australia offers several strong alternatives to the Powerwall 2.
| Feature | Tesla Powerwall 2 | sonnenBatterie Evo | FranklinWH aPower | BYD Battery-Box Premium HVS |
|---|---|---|---|---|
| Usable Capacity | 13.5 kWh | 10 kWh | 13.6 kWh | 5.1 – 12.8 kWh (modular) |
| Continuous Power | 5 kW | 5 kW | 5 kW | 5 kW |
| Price Range (Installed) | $11,700 – $13,900 | ~$12,000 – $15,000 | $14,000 – $16,000 | Varies with capacity |
| Warranty | 10 years | 10 years | 12 years | 10 years |
- Tesla Powerwall 2: Best for those seeking a proven, high-capacity system with a user-friendly app and seamless backup power. It’s an excellent choice for retrofitting to existing solar systems.
- sonnenBatterie Evo: A strong contender for homeowners prioritizing a long service life and German engineering. Its outdoor rating and integrated backup power make it a versatile option.
- FranklinWH aPower: Suited for users who want a slightly longer warranty and robust safety features. It offers a comparable capacity and power output to the Powerwall 2.
- BYD Battery-Box Premium HVS: Ideal for those who need a modular and scalable solution. Its flexible capacity allows homeowners to tailor the system to their specific energy needs.
Expert & User Reviews
The Tesla Powerwall 2 is widely regarded as a benchmark in the home battery storage market. It is praised for its high performance, reliability, and sleek design.
Pros:
- The Tesla app is considered best-in-class, offering intuitive monitoring and control of energy production and consumption.
- It provides reliable and seamless backup power during grid outages.
- The AC-coupled design makes it highly compatible for retrofitting to existing solar panel systems.
- Tesla is a well-established company, providing confidence in its ability to honor its 10-year warranty.
- The 13.5 kWh capacity is sufficient for the overnight energy needs of a typical household.
Source: southern-energy.com
Cons:
- Some users have reported issues with customer service and a lack of granular control over the system’s operation.
- The round-trip efficiency of 90% means some energy is lost during the charging and discharging cycles.
- If the integrated inverter fails, the entire unit may need to be replaced.
- It is considered a premium-priced product compared to some other options on the market.
References
Expert Review
- PSC Energy: Tesla Powerwall 2 Review | PSC Solar (2024) – An in-depth expert review of the Tesla Powerwall 2 by PSC Energy, a solar power and battery installation company.
- SolarQuotes: Tesla Powerwall 2 | Solar Batteries Review – A detailed expert review of the Tesla Powerwall 2, including pros, cons, and performance analysis from SolarQuotes founder Finn Peacock.
- GI Energy: Tesla Powerwall 2 Client Review – This page from GI Energy provides a case study and review from a client who had a Tesla Powerwall 2 installed.
- GI Energy: Tesla Powerwall 2 Review – An expert review from installer GI Energy covering the technical specifications and benefits of the Tesla Powerwall 2.
- Solar Choice: Tesla Powerwall: A Complete 2025 Buyers Guide – Solar Choice provides a detailed buyer’s guide and expert review of the Tesla Powerwall, comparing the Powerwall 2 and 3 models.
- ProductReview.com.au: Tesla Powerwall 2 reviews – A collection of user-submitted reviews and ratings for the Tesla Powerwall 2 on the Australian consumer opinion site ProductReview.com.au.
- Lightning Energy: Tesla Powerwall 2 Review – An expert review from Lightning Energy discussing the pros and cons of the Tesla Powerwall 2, which they recommend as one of the best batteries available.
General Guide
- Energy Matters: The Top 5 Battery Storage Options for Australian Homes – This guide from Energy Matters reviews and compares the top five solar battery storage solutions available to homeowners in Australia.
Retailer Listing
- Grow Energy: Tesla Powerwall 13.5kWh Battery Energy Storage System – A product page from Australian retailer Grow Energy providing details and specifications for the Tesla Powerwall energy storage system.
- AC Solar Warehouse: FranklinWH – aPower 13.6kWh/5kW AC Coupled Battery – A retailer listing from AC Solar Warehouse for the FranklinWH aPower AC-coupled battery, providing technical specifications and warranty information.
- Off-Grid Energy Australia: Tesla Powerwall 2 | On-Grid Battery Systems – A product page from Off-Grid Energy Australia detailing the features, benefits, and specifications of the Tesla Powerwall 2 for grid-connected homes.
- Energy Eco: BYD B-Box Premium HVS 2.56kWh LFP Lithium Battery Module – A product listing from retailer Energy Eco for a single 2.56kWh module of the BYD B-Box Premium HVS battery system.
- Solar Batteries Online: Franklin Home Power 13.6kWh Battery – A product listing from retailer Solar Batteries Online for the Franklin Home Power 13.6kWh battery system.
- Aussie Solar Tech: Tesla Powerwall 2 – A retailer page from Aussie Solar Tech offering the Tesla Powerwall 2, outlining its key features, specifications, and warranty.
- Solar Batteries Online: sonnenBatterie Evo 10kW AC-coupled battery/inverter – A retail product page from Solar Batteries Online for the sonnenBatterie Evo 10kW, a fully integrated AC-coupled home solar battery system.
- Buzz Energy: sonnenBatterie Evo 10kWh AC Coupled Battery – A product listing from retailer Buzz Energy detailing the specifications and features of the sonnenBatterie Evo 10kWh battery system.
