We’ve compiled a comparison of the best solar battery models in Australia. We aim to offer clear, concise, and valuable insights.
This list offers a straightforward comparison of leading batteries, focusing on performance, reliability, and value for Australian consumers. Whether you’re a homeowner looking to reduce your carbon footprint or a business seeking energy independence, this guide is for you.
We hope to help you make an informed decision for your solar energy needs.
Best Solar Battery Comparison
Let’s look at our top 9 solar batteries comparison, focusing on Lithium-Ion Home Energy Storage Systems (ESS). We’ve put together this list starting with the very best and going down to the tenth.
But keep in mind, as of our experience, every single one of them is a great choice in its own right.
| Rank | Brand | Product Image | Model | Module Size | Usable Capacity % (DOD) | Backup Features | Indoor/Outdoor | Warranty | Coupling Type | Price |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  |  | SBR | 3.2kWh (3-6 Modules, Up to 19.2kWh on Single-Phase Hybrid; or 8 Modules, Up to 25.6kWh on Three-Phase Hybrids). Can Parallel 2 Stacks on Three-Phase. | 100% | Backup Power and Grid-Forming (Single and Three-Phase Installation) | IP65. Indoor/Outdoor. | 10 Years | DC-Coupled with Sungrow Hybrid | $1,995 to $2,199 |
| 2 |  |  | Powerwall 2 | 14kWh. Can String up to 10 Units in Parallel. | 96% | Backup Power (Single-Phase on Three-Phase Installation) | IP65. Indoor/Outdoor. | 10 Years | AC-Coupled (New or Retrofit) | $12,000 to $14,000 |
| 3 |  |  | Battery-Box Premium HVM | 2.76kWh (3-8 Modules, Up to 25.1kWh). Can Parallel up to 3 Stacks for 66.3kWh Max Capacity. | 100% | Backup Power and Grid-Forming (Requires Appropriate Hybrid Inverters) | IP55. Can go outside but requires protection from dust and water. | 10 Years | DC-Coupled with Hybrid Inverter | $2,250 to $2,505 |
| 4 |  |  | Lynx Home F Series | 3.3kWh (2-5 Modules, Up to 16.5kWh). Can Parallel up to 8 Stacks for 132kWh Max Capacity. | 100% | Backup Power and Grid-Forming (Single and Three-Phase Installation) | IP55. Can go outside but requires protection from dust and water. | 10 Years | DC-Coupled with Goodwe Single and Three-Phase Hybrids | $1,903.05 |
| 5 |  |  | Energy Bank | 10kWh (Can String up to 3 Units in Parallel) | 97% | Backup Power and Grid-Forming (Single Phase Installation) | IP55. Can go outside but requires protection from dust and water. | 10 Years | DC-Coupled with Solaredge Single Phase Hybrids | $12,220 to $14,800 |
| 6 |  |  | LUNA2000 | 5kWh (1-3 Modules, Up to 15kWh). Can Parallel 2 Stacks for up to 30kWh. | 100% | Backup Power and Grid-Forming (Requires Backup Box) | IP66. Indoor/Outdoor. | 10 Years | DC-Coupled with Huawei Single and Three-Phase Hybrids | $3,830 to $3,990 |
| 7 |  |  | B2 Battery | 5kWh (1-5 Modules, Up to 25kWh) | 90% | Backup Power and Grid-Forming (Single and Three-Phase Installation) | IP67. Indoor/Outdoor. | 10 Years | DC-Coupled with SAJ Single and Three-Phase Hybrids | |
| 8 |  |  | SMILE-B3-PLUS | 5.04kWh (1-6 Modules, Up to 30.24kWh) | 95% | Backup Power (No Grid-Forming) | IP66. Indoor/Outdoor. | 5 Years Product, 10 Years Performance | AC-Coupled | $4,000 to $6,330 |
| 9 |  |  | BTS DS5 | 5.12kWh (1-4 Modules, Up to 20.48kWh). Can Parallel 2 Stacks. | 93% | Backup and Grid-Forming with Hybrid Inverters (Backup Power with AC-Coupled Controllers) | IP65. Indoor/Outdoor. | 10 Years | AC-Coupled or DC-Coupled with Hybrid Inverter | $5,749.04 |
Now that we’ve seen the overview of our top 9 picks, let’s dive deeper into each brand and model. We’ll explore their unique features and benefits to help you understand why they’ve made it to our list.
1. Sungrow SBR
Sungrow SBR 3.2kWh becomes our top pick. It’s priced competitively between $1,995 and $2,199 in Australia, and emerges as a standout player in the solar battery market.
Its distinction extends beyond its innovative design to leverage Sungrow’s extensive reputation and experience in the solar industry.
Renowned as a leader with an impressive track record, Sungrow has actively contributed to large-scale battery projects across Australia, showcasing a steadfast commitment to quality and reliability. This involvement underscores the trustworthiness of the Sungrow SBR system.
Adding to its allure is the compatibility of the Sungrow SBR with both single and three-phase Sungrow hybrid inverters, enhancing its versatility and rendering it suitable for a broad spectrum of residential setups. The ease of expandability further underscores its practicality and enduring value, ensuring seamless growth alongside evolving energy needs.
Safety and longevity are paramount considerations addressed by the Sungrow SBR, employing Lithium Ferro Phosphate (LFP) cells known for their superior safety features and sustainability. The scalability of these high-voltage batteries caters to diverse residential energy requirements, while the 100% usable capacity per module maximises efficiency.
Priced at approximately $660 per kWh, and backed by a reassuring 10-year warranty, the Sungrow SBR stands as one of the most cost-effective yet high-quality lithium batteries available. With its competitive pricing range of $1,995 to $2,199 in Australia, the Sungrow SBR positions itself as an appealing option for those seeking reliable, efficient, and affordable solar energy storage solutions.
2. Tesla Powerwall 2
The Tesla Powerwall 2 14kWh, priced between $12,000 and $14,000 in Australia, stands out as our top choice for AC-coupled batteries.
It not only sets a high bar for seamless integration with any solar system but also offers a premium and versatile solution suitable for various applications.
Operating independently of the solar inverter, the Powerwall 2 is an excellent fit for both new installations and upgrades to existing solar setups. One of its key features contributing to an enhanced user experience is the user-friendly energy monitoring app.
Compatible with both single and three-phase installations, this app allows homeowners to have real-time control and valuable insights into their energy usage. Moreover, the Powerwall 2 supports net metering, facilitating power savings for users.
This feature, combined with the easy-to-use monitoring app, empowers homeowners to manage their energy consumption efficiently. In terms of design, the Powerwall 2 doesn’t disappoint.
Its advanced cooling system, featuring a liquid thermal management system, enables it to operate seamlessly across diverse temperature ranges. This ensures optimal performance and reliability in various environmental conditions.
Impressively scalable, the Powerwall 2 can support up to 10 units connected in parallel. This scalability, along with its practical design, positions the Powerwall 2 as one of the best choices for solar battery storage.
Whether you are looking to install a new solar system or upgrade your existing one, the Tesla Powerwall 2 offers a premium solution with advanced features and scalability, making it a worthwhile investment in the range of $12,000 to $14,000 in Australia.
3. BYD Battery-Box Premium HVM
The BYD Battery-Box Premium HVM 2.76kWh, priced between $2,250 to $2,505 in Australia, stands out as a top-tier option in the solar storage market.
Renowned for its high quality, this battery excels in offering compatibility with various inverter options.
Experts highly recommend pairing it with either the premium Fronius GEN24 inverter or Goodwe three-phase hybrid inverters for optimal performance. A distinguishing feature of the HVM series lies in its modular and stackable design, providing users with an easily expandable solution that can seamlessly adapt to evolving energy needs.
The batteries, known for their scalability, present a unique solution that grows in tandem with increasing energy requirements. Powered by Lithium Iron Phosphate (LFP) technology, the HVM model ensures both safety and longevity, enhancing its appeal in the solar energy storage landscape.
The system’s remarkable scalability is demonstrated by its capacity to expand up to 66.3kWh through parallel connections, making it a premium choice for those in search of a versatile and powerful solar battery solution.
4. Goodwe Lynx Home F Series
The GoodWe Lynx Home F Series 3.3kWh, priced at $1,903.05 in Australia, has emerged as a noteworthy addition to the esteemed GoodWe brand’s product lineup.
This series distinguishes itself by seamlessly integrating with GoodWe’s single and three-phase hybrid inverters, presenting a direct competitive edge against brands such as Sungrow in the market.
Tailored to accommodate GoodWe’s three-phase hybrids, ranging from 15kW to 30kW, the Lynx Home F Series becomes an ideal choice for larger residential spaces or even small commercial applications. Its high-voltage solar storage system is characterised by a modular design, allowing for stacking from 2 to 5 battery modules.
This versatility enables the system to cater to the energy needs of modest homes as well as the more demanding requirements of small business environments. At the heart of the Lynx Home F Series is its Power Control Unit (PCU), a key component that streamlines the monitoring and management of energy storage.
This feature enhances the overall efficiency and user experience, making it a standout choice in the market. Moreover, the Lynx Home F Series is recognised for its user-friendly plug-and-play installation, ensuring a hassle-free setup process.
The integration of Lithium-iron-Phosphate (LiFePO4) battery technology further solidifies its position as a cutting-edge and reliable solution for residential and small commercial energy storage needs.
5. SolarEdge Energy Bank
The SolarEdge Energy Bank 10kWh, priced at $12,220 to $14,800 in Australia, stands out as a premium wall-mounted battery.
Scalable up to an impressive 30kWh by connecting up to three units, it caters to a variety of energy storage needs.
Despite leaning towards the higher end of the budget spectrum, the Energy Bank justifies its premium positioning through seamless integration with SolarEdge’s single-phase hybrid inverters and a sophisticated energy monitoring platform. One of its standout features is its backup power capability, augmented by two essential elements.
Firstly, the mySolarEdge app’s Weather Guard function enhances reliability during adverse conditions. Secondly, the Backup Interface ensures a smooth transition during power outages, contributing to a more resilient energy solution.
The installation process is remarkably streamlined, often completed within a day, making the SolarEdge Energy Bank a user-friendly option for those seeking efficiency and convenience in their home energy setup. With a price range spanning from $12,220 to $14,800 in Australia, the SolarEdge Energy Bank maintains its high-end positioning, reflecting the advanced features it brings to the table and offering a reliable and sophisticated solution for those with discerning energy needs.
6. Huawei Luna2000
The Huawei Luna2000 5kWh, priced between $3,830 to $3,990 in Australia, is renowned for its modularity and seamless compatibility with Huawei’s single and three-phase hybrid inverters.
This not only reflects the product’s excellence but also attests to Huawei’s established track record in delivering top-notch quality.
Featuring 5kWh modules, the Luna2000 series boasts the flexibility to scale from 5kWh to an impressive 30kWh by paralleling two stacks. This adaptability ensures that the system can cater to a variety of energy needs.
A key consideration for potential buyers revolves around the backup power functionality, which, while immensely valuable, necessitates the addition of a separate Luna Backup Box. It’s crucial to bear in mind that this enhancement can increase the total system cost by approximately $1000.
Prospective investors should factor this into their decision-making process when assessing the overall investment in the system. The Luna2000’s 100% Depth of Discharge ensures optimal utilisation of stored energy, making the system highly adaptable to diverse usage patterns.
In terms of design, the Huawei Luna2000 distinguishes itself with a natural convection cooling system, providing efficient thermal management and ensuring quiet operation. Despite the additional cost associated with backup capabilities, the Huawei Luna2000 emerges as a compelling choice for residential solar storage solutions, offering a blend of modularity, efficiency, and a reputable brand history.
7. SAJ B2
The SAJ B2 series is recognised as a great budget option in the solar battery market. For you who don’t know, SAJ has a solid reputation for quality inverters at affordable prices.
The new B2 series offers a well-made, stackable modular battery that is ideal for backup power. It is easily coupled with SAJ’s single and three-phase hybrid inverters.
Its backup power and grid-forming capabilities make it highly reliable, particularly in areas prone to frequent power outages. Durability and safety are also key aspects of the B2 series.
It features a high-voltage, cobalt-free Lithium Iron Phosphate (LiFePO4) battery. Affordability does not mean a compromise on quality with the B2 series.
SAJ’s reputation for excellent support and service is evident in the 10-year warranty.
8. AlphaESS SMILE-B3-PLUS
Introducing the AlphaEss Smile-B3-Plus 5.04kWh, a smart and budget-friendly addition to the realm of solar battery solutions in Australia.
Priced between $4,000 to $6,330, the Smile-B3-Plus seamlessly integrates into both single and three-phase connections, offering an efficient AC-coupled retrofit solution for homes of varying sizes.
Designed with smaller homes and moderate energy demands in mind, the Smile-B3-Plus excels as a straightforward and affordable battery solution. Its 3 kW discharge rate may pose limitations for offsetting high loads, but it shines in environments where energy requirements are more modest.
What sets the Smile-B3-Plus apart is its installation versatility. Whether integrated into new systems or retrofitted into existing ones, it seamlessly adapts to both AC and DC-coupled configurations.
This flexibility adds to the appeal of this solar battery, making it an excellent choice for those seeking simplicity without compromising on functionality. Safety and durability are paramount with the Smile-B3-Plus.
Its lithium iron phosphate chemistry ensures stability and longevity, providing users with peace of mind. While it may not be the go-to solution for offsetting high loads, the Smile-B3-Plus emerges as a prime choice for individuals looking for a reliable and flexible solar battery solution in the Australian market.
In the landscape of renewable energy, the AlphaEss Smile-B3-Plus 5.04kWh stands as a testament to affordability, versatility, and dependability. With a price range of $4,000 to $6,330, it offers an accessible entry point for those looking to embrace solar energy and battery storage in Australia.
9. SOFAR BTS DS5
The SOFAR BTS DS5 5.12kWh is a noteworthy addition to the solar energy landscape, especially in Australia where it is priced at $5,749.04.
This versatile battery system is particularly notable for its compatibility with hybrid and AC-coupled inverters, making it an ideal choice for 3-phase retrofit solutions up to 20 kW.
It doesn’t just stop there – the SOFAR BTS DS5 is perfect for those seeking to expand larger existing systems. Its scalability is designed to accommodate 3-phase backup and meet higher load demands, providing flexibility for a variety of energy needs.
Durability is a standout feature of the BTS DS5, reinforced by its impressive 10-year warranty. This warranty not only reflects the manufacturer’s confidence in the system’s longevity but also ensures customers can rely on consistent performance over an extended period.
In Australia, the SOFAR BTS DS5 5.12kWh at $5,749.04 emerges as a robust, scalable, and reliable solar battery system. Whether for larger installations or systems requiring high-load support, this battery system offers a comprehensive solution to enhance solar energy capabilities.
Making the Right Solar Battery Choice
After going through our best solar battery comparison, I hope you’ve found the insights helpful in your journey to choosing the right solar battery for your needs. Remember, each option has its own set of advantages, and the best choice depends on your specific requirements and situation.
If you’re looking to take the next step, why not get up to 3 solar battery quotes from local CEC Accredited Installers? It’s a great way to compare your options and make an informed decision.
Reviewed by
Tom Ransome
Co-Founder of Renewables4U and renewable energy advocate. He has experience and extensive knowledge in the field, including a groundbreaking academic thesis and a significant role in Australia's solar industry since 2016. With a BA in Business Studies, focusing on finance and management, Tom merges business acumen with technical expertise to deliver economically and eco-friendly projects.
