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Top Selling Batteries of 2023 in Australia

In recent times there has been an increase in the global demand for renewable energy solutions. This surge has prompted countries like Australia to seek sustainable alternatives to traditional power sources. Among the options, solar batteries have emerged as a crucial player in transforming how we harness and store solar energy. In this article we will delve into the world of batteries. Discuss the best selling options currently available in Australia for the year 2023.

Solar batteries, also referred to as energy storage systems are devices designed to store electricity generated by solar panels for future use. They work hand in hand with photovoltaic (PV) systems, which convert sunlight into electrical energy. During daylight hours when there is energy being produced these batteries store it efficiently. This ensures a reliable power supply during periods of low sunlight or at night.

The significance of batteries lies in their ability to enhance self sufficiency when it comes to energy consumption and optimize the utilization of solar power. By storing surplus energy these batteries empower homeowners and businesses alike by reducing reliance on the power grid while making use of environmentally friendly energy sources. Additionally, they provide a solution to address the nature of solar power by allowing users access to stored energy whenever necessary. In the sections we will explore some of the popular battery options available in Australia during 2023.

Types of Solar Batteries: Exploring the Options

Types of solar batteries

When it comes to selecting a battery for your energy storage needs it’s crucial to have an understanding of the types available in the market. Each type has its characteristics, advantages and limitations. In this section we will delve into the kinds of batteries and provide detailed insights into how they function and their suitability for different purposes.

Lead Acid Batteries:

Lead acid batteries are among the widely used rechargeable battery types. They have been utilized in energy systems for years. Within the acid battery category there are two sub-types;

a. Flooded Lead Acid Batteries: These batteries, also known as wet cell batteries, consist of lead plates immersed in a liquid electrolyte solution. They are affordable, durable and have a long lifespan. Regular maintenance is required for these batteries, including checking and replenishing levels. Additionally, it’s important to install them in ventilated areas due, to hydrogen gas emission during charging.

b. Valve Regulated Lead Acid Batteries (VRLA): VRLA batteries encompass Absorbent Glass Mat (AGM). Gel batteries that come as sealed units requiring no maintenance. AGM batteries utilize a fiberglass mat soaked in electrolyte while Gel batteries use silica to create a gel consistency.
VRLA batteries are known for their maintenance requirements as they don’t need upkeep. Additionally, they offer efficiency in terms of cycling and are considered safer because they don’t emit hazardous gases. However, it’s worth noting that their lifespan is shorter compared to flooded lead acid batteries.

Lithium-Ion Batteries:

In recent years, lithium ion (Li-ion) batteries have gained popularity due to their impressive energy density, longer lifespan and enhanced performance. They have become the choice for storing energy within the category of lithium ion batteries. Mentioned below are the various types that exists:

a. Lithium Iron Phosphate (LiFePO4): LiFePO4 batteries are well regarded for their stability, safety features and extended cycle life. They offer efficiency and can handle deep cycling effectively while being relatively resistant to high temperatures. When it comes to commercial installations LiFePO4 batteries serve as a reliable option despite being slightly more expensive than other lithium ion alternatives.

b. Lithium Nickel Manganese Cobalt Oxide (NMC): NMC batteries strike a balance between energy density, power output and cost effectiveness. They provide cycle life and it can deliver high discharge rates efficiently. NMC batteries are widely used in energy systems due to their optimal performance levels along with pricing.

c. Lithium Titanate (LTO): LTO batteries are well known for their lifespan and ability to charge rapidly. They can be discharged quickly making them suitable for applications that require cycling and high power demands. Although, LTO batteries have a lower energy density compared to lithium ion options but they excel in terms of longevity and efficiency.

Flow Batteries:

Flow batteries, also referred to as redox flow batteries are a type of battery that employs two solutions separated by a membrane. The energy is stored in the electrolytes which flow through the system during the process of charging and discharging. Flow batteries offer benefits, including scalability, deep cycling capabilities and an extended lifespan. They are particularly suitable for large scale energy storage applications such as grid level storage and commercial projects. Flow batteries do tend to be bulkier, expensive than other battery types and have a lower energy density.

Sodium-Based Batteries:

Sodium based batteries, Sodium ion (Na ion) batteries are emerging as alternatives to lithium ion batteries. These batteries utilize sodium ions of lithium ions for storing energy. Sodium based batteries offer advantages like raw material availability and potentially lower costs.
Sodium based batteries are currently in the stages of development and their commercial availability is still quite limited. However, they hold potential for revolutionizing energy storage in the future. To fully harness this potential further research and technological advancements are required.

Hybrid Batteries:

Another promising avenue in battery technology is the development of hybrid batteries. These batteries combine types of battery chemistries to leverage the advantages each one offers. For instance a hybrid battery might pair a lithium ion battery with a supercapacitor. By doing these batteries aim to optimize performance, efficiency and lifespan while also overcoming the limitations associated with battery chemistries. It’s important to note that hybrid batteries are still in the stages of development which limits their availability and adoption within the solar energy storage market.

The Rising Demand for Batteries in Australia: A Growing Trend

Rising trend of batteries in australia

In these ten years, Australia has experienced an increase in the demand for batteries. This surge is attributed to factors including the shift towards energy sources the pursuit of energy self sufficiency and the growing popularity of electric vehicles. Lets delve into why Australia’s demand for batteries is on the rise supported by research and credible data from reliable sources.

Transition to Renewable Energy:

Australia boasts sunshine and vast wind resources making it an ideal candidate for transitioning to renewable energy. According to the government’s 2020 Australian Energy Statistics report, renewable energy accounted for 24.6% of the country’s electricity generation in 2019-2020 which is a significant increase compared to previous years. With an increasing number of rooftop panels and large scale solar farms being installed, there is a growing need to store surplus energy produced during peak sunlight hours. Batteries play an important role in storing this excess energy and ensuring a consistent power supply even when there is no direct sunlight or during periods of high energy demand.

Energy Independence and Grid Resilience:

Another driving force behind Australia’s rising demand for batteries is the desire for energy independence and grid resilience.
Severe weather occurrences like storms, bushfires and heat waves have brought attention to the vulnerability of the electricity grid. Consequently, many households and businesses are exploring solutions to ensure a power supply in times of grid outages.

Battery energy storage systems offer the ability to store energy from renewable sources and it can be combined with solar panels or wind turbines to create self sufficient microgrids. These microgrids can function independently or in conjunction with the grid providing power during emergencies and reducing reliance on centralized power infrastructure.

Electric Vehicle Adoption:

The adoption of vehicles (EVs) has experienced growth in Australia resulting in a significant increase in battery demand. According to the Electric Vehicle Council’s State of Electric Vehicles Report 2021 sales of vehicles more than doubled in Australia during 2020 compared to the previous year.
As the EV market continues its expansion there is a growing need for reliable charging infrastructure. Battery storage systems coupled with EV charging stations can effectively manage peak electricity demand, facilitate load balancing. Enable off peak charging. This helps alleviate strain, on the grid.
Furthermore there is a growing interest in vehicle to grid (V2G) technology which allows electric vehicle (EV) batteries to supply power to the grid during demand periods. This trend is contributing to the rising demand for batteries.


Government Initiatives and Incentives:

Government initiatives and incentives have played a role in promoting battery adoption in Australia. For example organizations like the Renewable Energy Agency (ARENA) and the Clean Energy Finance Corporation (CEFC) have provided support for multiple battery storage projects across the country. Additionally, state level programs such as the South Australian Home Battery Scheme and the New South Wales Empowering Homes program offer subsidies and incentives to encourage households to invest in battery storage systems. These efforts have made batteries more accessible and affordable leading to an increased demand among consumers.

Falling Battery Costs and Technological Advancements:

The decreasing costs of battery technologies, coupled with advancements have significantly enhanced their viability and appeal for various applications. According to Bloomberg NEFs Electric Vehicle Outlook 2021 report the average cost of lithium ion batteries has dropped by over 85% in the decade. This cost reduction has made batteries increasingly affordable for both residential and commercial consumers.

Furthermore, there is an emphasis on enhancing battery performance through research and development. This includes improvements in energy density, lifespan and safety features. These advancements play a huge role in building consumer trust in battery technologies, ultimately drive the overall demand for them.

Austra Solar Power's top picks of Batteries in 2023

Growatt GBLI6531 Lithium Battery

Growatt GBLI6531 Lithium Battery Australia

The Growatt GBLI6531 Lithium Battery is a versatile, high-performance energy storage solution offering exceptional residential and commercial features. With its compact size, high energy density, and excellent safety features, this battery stands out as a reliable choice in the market. 


Compact Size and Easy Installation:

One of the standout features of the Growatt GBLI6531 Lithium Battery is its compact size, making it ideal for installations where space is limited. With dimensions of 475mm (width), 765mm (height), and 145mm (depth), this battery can easily fit into various settings, including homes, offices, and small commercial spaces. The compact size also simplifies the installation process, allowing for easier integration into existing solar energy systems or new installations.

High Energy Density and Efficiency:

The GBLI6531 Lithium Battery boasts a high energy density, providing a usable capacity of 6kWh. This allows for efficient storage and utilization of solar energy generated by solar panels or other renewable sources. With a nominal voltage of 51.2V and an operating voltage range of 48V to 57.6V, this battery ensures optimal performance and compatibility with various energy storage systems. The charging and discharging currents of 64A and 96A (maximum) enable swift energy transfer, minimizing energy loss during the process.

Excellent Safety of LiFePO4 Battery:

Safety is a paramount concern when it comes to energy storage systems. The Growatt GBLI6531 Lithium Battery addresses this concern with its use of LiFePO4 (Lithium Iron Phosphate) battery chemistry. LiFePO4 batteries are renowned for their superior safety performance compared to other lithium-ion battery chemistries. They are more stable and less prone to thermal runaway, reducing the risk of fire or explosion. This safety feature provides peace of mind to users, ensuring the secure storage of energy in residential and commercial settings.

Warranty and Cycle Life:

The Growatt GBLI6531 Lithium Battery comes with a warranty period of 10 years, showcasing the manufacturer’s confidence in its durability and performance. This warranty provides customers with long-term protection and support for their investment in energy storage. This battery demonstrates an impressive cycle life of over 6000 cycles at a depth of discharge (DOD) of 90%. This means the battery can sustain frequent charge and discharge cycles over an extended period without significant degradation, ensuring its reliability and longevity.

Communication and Connectivity:

The GBLI6531 Lithium Battery is equipped with communication ports, including CAN2.0 and RS485 interfaces. These communication ports enable seamless integration and monitoring of the battery’s performance within a larger energy management system. The ability to connect the battery to external devices or a central monitoring system enhances its functionality and allows for real-time data monitoring, analysis, and control.


  • Compact size and easy installation make it suitable for space-constrained environments.
  • High energy density allows for efficient storage and utilization of solar energy.
  • Excellent safety features of LiFePO4 battery chemistry ensure secure energy storage.
  • Long warranty period of 10 years provides customers with peace of mind and long-term support.
  • Impressive cycle life of over 6000 cycles at a 90% depth of discharge (DOD) ensures reliability and longevity.
  • Communication ports enable seamless integration and monitoring within an energy management system.


  • Limited information available regarding specific technical details and performance specifications.
  • Lack of information on compatibility with different solar energy systems or inverters.
  • Relatively higher weight compared to some other lithium battery options.
  • Limited availability and distribution in certain regions may restrict accessibility.
  • Price point may be higher compared to some alternative battery options in the market. 

Tesla Powerwall

tesla powerwall australia

The Tesla Powerwall is a revolutionary AC battery system that brings advanced energy storage technology to residential and light commercial settings in Australia. With its compact design, impressive performance specifications, and seamless integration with solar panels, the Powerwall has become a popular choice for homeowners looking to harness the power of clean energy and achieve energy independence. If you’re looking to buy Tesla PowerWall, it’s a must to look at the price. The Tesla Powerwall 2 price is subject to several factors, including installation costs, regional variations, and any additional components required for a complete system. 

Impressive Performance Specifications

The Tesla Powerwall Australia offers exceptional performance specifications, making it a reliable and efficient energy storage solution. With a total energy capacity of 14 kWh and a usable energy capacity of 13.5 kWh, the Powerwall provides ample storage for solar self-consumption, time-based control, and backup power. The maximum continuous real power for both charge and discharge is 5 kW, ensuring a steady and reliable power supply for your home. The Powerwall also boasts a round-trip efficiency of 90%, meaning that it can effectively store and release energy with minimal loss.

Simplified Installation and Integration

One of the standout features of the Tesla Powerwall is its simplified installation process and seamless integration with existing solar systems by tesla certified installers. The Powerwall’s compact and fully-integrated design enables easy installation on either the floor or wall, making it suitable for a variety of home setups. The Powerwall’s electrical interface allows for a simple connection to any home or building, ensuring hassle-free integration into your existing electrical system. This means homeowners can quickly realize the benefits of reliable, clean power without extensive modifications or disruptions.

Reliability and Durability

Tesla has always been synonymous with high-quality products; the Powerwall is no exception. With a 10-year warranty, the Powerwall offers peace of mind and ensures you can enjoy its benefits for an extended period. The Powerwall is designed to operate in a wide range of environmental conditions, with an operating temperature range of -20°C to 50°C and an IP67 ingress rating for both the battery and power electronics. This means that the Powerwall is suitable for indoor and outdoor use, providing flexibility in installation options.

Seamless Whole Home Backup

With the Tesla Powerwall, you can achieve whole-home backup, ensuring that your essential appliances and devices continue to operate during power outages. The Powerwall works in conjunction with the Backup Gateway, solar inverter, and switchboard to provide a seamless transition from grid power to battery power during an outage. This feature is particularly valuable in areas prone to storms, blackouts, or unreliable grid infrastructure, giving homeowners peace of mind and an uninterrupted power supply.


  • Efficient and Reliable Energy Storage Solution.
  • Seamless Integration with Solar Systems.
  • Enables Energy Independence and Grid Resilience.
  • Compact and Easy Installation.
  • Long Warranty Period.
  • Suitable for Indoor and Outdoor Use.
  • Provides Whole Home Backup during Power Outages.


  • The upfront Tesla Powerwall 2 cost Australia can be significant, making it a substantial investment for homeowners.
  • Requires Professional Installation and Expertise.
  • Limited Usable Energy Capacity for Larger Energy Needs.
  • Reliance on Solar Generation for Full Recharge.

SunGrow Battery - A Reliable Solar Energy Storage Solution

Sungrow solar battery, Australia

SunGrow Battery is a high-performance lithium iron phosphate (LiFePO4) battery that offers reliable energy storage capabilities for residential and commercial solar installations. With its advanced features, seamless integration with hybrid inverters, and rigorous safety certifications, the SunGrow Battery has gained popularity in the Australian market. In this SunGrow battery review, we will discuss the key features and benefits of the SunGrow Battery. 

Usable Energy and High-Performance:

One of the standout features of the SunGrow Battery is its ability to deliver 100% usable energy. This means that the entire stored energy in the battery can be utilized effectively, maximizing the benefits of solar power. With a continuous charging and discharging current of 30 A, the SunGrow Battery offers reliable and efficient performance, ensuring a steady power supply for various applications.

Safety and Certification:

The SunGrow Battery incorporates a multi-stage protection design and has undergone rigorous safety certifications. It adheres to standards such as CE, CEC, IEC 62619, IEC 62040, JIS C 8715-2, and UN38.3. These certifications provide peace of mind to users, assuring them of the battery’s reliability and adherence to strict safety protocols.

Compact and Easy Installation:

The SunGrow Battery is designed to be compact and lightweight, facilitating single-person installation. The plug-and-play feature allows for wiring-less connections between modules, simplifying the installation process. This ease of installation saves time and effort, making it an attractive choice for residential and commercial users.

Seamless Integration with Hybrid Inverter:

The SunGrow Battery seamlessly integrates with hybrid inverters, enhancing its compatibility with solar energy systems. This integration enables efficient energy conversion, optimized power flow, and intelligent energy management. The compatibility with hybrid inverters ensures smooth operation and effective utilization of solar power, enhancing overall system performance.

Expansion Adaptation and Capacity Range:

The SunGrow Battery supports the addition of multiple battery units, allowing for expansion during its lifetime. With the ability to support 3 to 8 modules per unit and a maximum of 4 units in parallel, the SunGrow Battery offers a capacity range of 9 kWh to 100 kWh. This scalability provides flexibility for users to adapt and expand their energy storage system as their needs evolve

Technical Specifications:

The SunGrow Battery is available in different models, including SBR096, SBR128, SBR160, SBR192, SBR224, and SBR256. Each model consists of a LiFePO4 prismatic cell, with energy ranging from 3.2 kWh to 9.6 kWh. The battery has a nominal voltage of 192 V. It operates within a voltage range of 168 V to 219 V. It has a maximum continuous charging and discharging current of 30 A, with a 10-second pulse current of 42 A. The battery features a display for state-of-charge (SOC) and status indicators and utilizes the CAN communication interface.

Operating Conditions and Warranty:

The SunGrow Battery is designed to operate within a temperature range of -30 to 50℃, ensuring reliable performance in various climates. With an IP55 degree of protection, it is resistant to dust and water ingress. The battery is covered by a 10-year warranty, providing users with long-term reliability and peace of mind.


  • High-performance lithium iron phosphate battery with 100% usable energy.
  • Compact and lightweight design for easy installation.
  • Seamless integration with hybrid inverters for optimized power flow.
  • Multi-stage protection design and rigorous safety certifications ensure user safety.
  • Expandable capacity range, allowing for system adaptation and future growth.


  • Limited information available on specific pricing and warranty details.
  • Requires additional junction boxes for parallel connection of multiple units.
  • Availability may vary in certain regions, requiring contact on Sungrow Australia contact number for further information.

Solax Triple Power Battery

Solax triple power solar battery, Australia

The Solax Triple Power battery is a reliable and compact energy storage solution designed to enhance residential solar systems’ efficiency and self-consumption capabilities. With its advanced features and robust performance, the Solax Triple Power battery has gained popularity among homeowners seeking to maximize their solar energy utilization. In this solax triple power battery review, we will delve into the key features, specifications, and solax battery price. 

Design and Components:

The Solax Triple Power battery boasts a compact design that allows for easy installation and integration into existing solar systems. With dimensions of 338.8 x 445 x 110 mm for the 3.3kWh model and 586.6 x 445 x 110 mm for the 6.5kWh model, it offers a space-saving solution without compromising on storage capacity. The battery consists of high-quality lithium-ion (NMC) cells, along with a Battery Management System (BMS), protection devices, and an optional fan for forced air cooling.

Performance and Capacity:

The Solax Triple Power battery is available in two capacity options: the 3.3kWh model and the 6.5kWh model. These batteries provide a usable energy capacity of 3.262kWh and 6.5kWh, respectively. With energy densities of 197 Wh/kg for the 3.3kWh model and 227 Wh/kg for the 6.5kWh model, the Solax Triple Power battery offers efficient storage capabilities.

Efficiency and Charging:

The Solax Triple Power battery exhibits excellent round trip efficiency, with a rate of over 95% under standard charging and discharging conditions. It employs a CC-CV (Constant Current-Constant Voltage) charging method, with charge currents of 18.9A (0.3C) for the 3.3kWh model and 37.8A (0.3C) for the 6.5kWh model. The end voltages range from 42V to 58.8V, depending on the charging or discharging mode.

Safety and Protection:

The Solax Triple Power battery incorporates circuit protection devices, including fuses and pre-charging circuits, to ensure safety. It adheres to safety standards such as UI1642 (cell level) and UL1973 (module level). The battery also complies with environmental regulations, including ROHS, demonstrating its commitment to sustainability.

Scalability and Communication:

One notable feature of the Solax Triple Power battery is its scalability. Users have the option to parallel connect up to 10 modules, allowing for a maximum capacity of 63kWh (1260Ah). This scalability provides flexibility and the ability to expand the storage capacity as per individual requirements. In terms of communication, the battery supports CAN and Modbus485 protocols, enabling seamless integration with monitoring systems and smart home applications.


  • Compact design allows for easy installation and integration into existing solar systems.
  • High round trip efficiency of over 95% ensures efficient energy utilization.
  • Scalability feature enables users to parallel connect up to 10 modules, allowing for increased storage capacity.
  • Advanced safety features, including circuit protection devices and compliance with safety standards, ensure user safety.
  • Competitive pricing makes Solax Triple Power battery an affordable option for residential energy storage.


  • Forced air cooling feature is optional, which may affect cooling efficiency in certain installations.
  • Communication options limited to CAN and Modbus485 protocols, may require additional equipment for integration with specific monitoring systems.
  • While the battery offers scalability, mixing different module types may not be acceptable, limiting flexibility for some users.

LG Battery

The LG Battery, specifically the RESU6.5 battery pack, is an excellent energy storage solution for residential and commercial photovoltaic (PV) systems. Its compact size, proven safety features, and impressive performance allow homeowners and businesses to maximize their solar energy utilization. 

Electrical Characteristics:

The LG Battery has a total energy capacity of 6.5 kWh, providing a usable energy capacity of 5.9 kWh. With a battery capacity of 126 Ah, it operates within a voltage range of 42.0 to 58.8 V DC, with a nominal voltage of 51.8 V. It supports a maximum charge/discharge current of 100A, with a peak current of 109.5A for 3 seconds. The battery pack offers a maximum charge/discharge power of 4.2 kW, with a peak power of 4.6 kW for 3 seconds. The round-trip efficiency of the battery pack is above 95% under specific conditions, ensuring optimal energy conversion.

Communication Interface and Operating Conditions:

The LG Battery features a CAN 2.0B communication interface, allowing seamless integration with various solar inverters and energy management systems. It can be installed both indoors and outdoors, either in a standing or wall-mounted position. The operating temperature range extends from -10 to 50°C, while the recommended operating temperature is 15 to 30°C. 

The battery pack can withstand storage temperatures as low as -30°C for 7 days and as high as 60°C. It exhibits excellent humidity tolerance, operating efficiently between 5% to 95% humidity. The battery pack is designed to function up to an altitude of 2,000 meters and employs natural convection cooling for efficient thermal management.

Safety and Certification:

LG Battery prioritizes safety and holds several certifications, including CE, RCM, FCC, TUV (IEC 62619), and UL1973. It complies with IEC61000-6-1 and IEC61000-6-3 standards for emissions, ensuring electromagnetic compatibility. The battery pack meets the requirements of UL1642 and is classified as Class 9 hazardous material for transportation. It fulfils the criteria of UN38.3 for safe transport. With an IP55 ingress rating, the battery pack offers protection against dust and water ingress.

Features and Expandability:

The LG Battery is known for its proven safety features, providing users with peace of mind. It comes with a 10-year warranty, assuring long-term performance and reliability. The compact size of the battery pack allows for flexible installation, whether wall-mounted or floor-installed, saving valuable space. 

The RESU Plus expansion kit is available, enabling the cross-connection of multiple RESU models, such as RESU3.3, RESU6.5, and RESU10, expanding the energy storage capacity up to two additional battery units. This feature ensures scalability and adaptability to meet evolving energy needs.


  • Compact size and space-saving design, allowing for flexible installation options.
  • High round-trip efficiency, ensuring efficient energy conversion and utilization.
  • Proven safety features and certifications, providing peace of mind to users.
  • Can be easily integrated with various solar inverters and energy management systems.
  • Expandable with the RESU Plus expansion kit, allowing for scalability and increased energy storage capacity.
  • 10-year warranty, guaranteeing long-term performance and reliability.
  • Backed by LG’s reputation for quality and innovation.


  • Limited energy capacity compared to larger-scale battery solutions.
  • Relatively higher upfront cost compared to some other battery options.
  • May require additional accessories or components for proper integration and installation.
  • Battery management system (BMS) features may not be as extensive as some other battery brands.

Alpha ESS SMILE-B3-PLUS and Smile 5 Batteries

We will explore two popular battery models from Alpha ESS: the SMILE-B3-PLUS and the Alpha Ess Smile 5. These batteries offer efficient energy storage solutions for residential and commercial applications, providing users with enhanced energy independence, backup power, and integration with renewable energy systems. Let’s dive into the features and specifications of each battery model.

1. Alpha ESS SMILE-B3-PLUS Battery

  • The SMILE-B3-PLUS is a robust and versatile battery system designed to meet the energy storage needs of residential and small commercial installations. It boasts several notable features:
  • IP Protection and Outdoor Installation: With an IP65 rating, the SMILE-B3-PLUS is built to withstand outdoor installation, offering flexibility in system placement while ensuring protection against dust and water ingress.                            
  • High Capacity and Depth of Discharge: The SMILE-B3-PLUS has a total capacity of 5.04 kWh, with a usable capacity of 4.79 kWh. It supports a depth of discharge (DoD) of 95%, allowing for efficient utilization of stored energy.                
  • Cycle Life and Efficiency: The battery is designed for long-lasting performance, with a cycle life of 6000 cycles. It operates with a high charging and discharging current of up to 60 A, providing rapid energy transfer. The maximum efficiency of the SMILE-B3-PLUS is 97%, ensuring minimal energy loss during operation.          
  • Compatibility and Safety: The SMILE-B3-PLUS is compatible with single-phase and three-phase systems, making it suitable for various applications. It is certified to meet safety standards such as IEC 62619 and AS4777, ensuring reliable and secure operation.


  • High capacity and depth of discharge allow efficient storage energy utilization.
  • Outdoor installation capability with IP65 protection, providing flexibility in system placement.
  • Long cycle life of 6000 cycles, ensuring durable and long-lasting performance.
  • High charging and discharging current of up to 60 A, enabling rapid energy transfer.
  • Compatibility with both single-phase and three-phase systems, offering versatility in application.


  • The relatively higher weight of 64 kg may require careful consideration during installation and handling.
  • Performance limitation in extreme temperatures (below 0 °C or above 40 °C). 

2. Alpha ESS Smile 5 Battery

The Smile 5 battery is another reliable energy storage solution offered by Alpha ESS. It is designed to provide seamless integration with solar systems, enabling efficient energy management and increased self-consumption. Here are the key features of the Smile 5 battery:

  • LFP (LiFePO4) Technology: The Smile 5 battery utilizes Lithium Iron Phosphate (LiFePO4) chemistry, known for its long cycle life, high safety, and thermal stability. This technology ensures reliable and stable performance over an extended lifespan.
  • Nominal/Usable Capacity and Voltage: The Smile 5 has a nominal capacity of 10.1 kWh, with a usable capacity of 9.1 kWh. It operates at a nominal voltage of 51.2 V, with an operating voltage range of 48 to 57.6 V.
  • Versatile Connectivity: The battery allows for the modular connection of up to six modules in parallel, providing scalability and flexibility in system configuration. It supports various monitoring parameters, such as system voltage, current, cell voltage, and temperature.
  • AC and Battery Input/Output Data: The Smile 5 features AC and battery input/output options. It provides a nominal AC power of 5000 VA, with a peak power of 5200 VA for backup applications. The battery can handle a maximum charging and discharging current of 100 A, ensuring efficient energy transfer.              
  • Efficiency and Protection: The Smile 5 battery offers high efficiency, with a maximum efficiency of 97.6% in Europe and an adaptation efficiency of 99.9%. It incorporates comprehensive protection features, including anti-islanding protection, AC over-current protection, and insulation monitoring, ensuring safe and reliable operation.

Both the SMILE-B3-PLUS and the Smile 5 batteries from Alpha ESS demonstrate advanced technology, reliable performance, and compatibility with renewable energy systems. They offer valuable features such as high capacity.


  • Utilizes LFP (LiFePO4) technology, known for its safety, long cycle life, and thermal stability.
  • Modular design with the ability to connect up to six modules in parallel, providing scalability and flexibility.
  • Versatile monitoring parameters for effective energy management.
  • High efficiency with a maximum efficiency of 97.6% in Europe, ensuring optimal energy utilization.
  • Comprehensive protection features, including anti-islanding and AC over-current protection, ensure safe operation.


  • The relatively higher weight of 132 kg requires appropriate installation considerations.
  • Limited AC output power compared to the Smile 5’s peak power for backup applications.

Comparison Table

BrandGrowatt GBLI6531Tesla PowerwallSunGrow BatterySolax Triple PowerLG BatteryAlpha Ess Smile B3 and Smile 5
Compact SizeYesYesYesYesYesYes
Energy DensityHighHighHighModerateHighHigh
Safety FeaturesExcellentExcellentGoodGoodExcellentGood
Warranty10 years10 years10 yearsN/AN/AN/A
Cycle LifeOver 6000 cyclesN/AN/AN/AN/AN/A


The top-selling batteries of 2023 in Australia have proven to be reliable and efficient power sources for various applications. These batteries offer impressive performance, long-lasting durability, and eco-friendly features. Whether for portable electronics, automobiles, or renewable energy systems, these top-selling batteries have consistently met the needs of consumers across the country. With technological advancements and a focus on sustainability, the battery market continues to evolve, ensuring Australians have access to high-quality power solutions.

Finding Best Deals for Batteries

Ready to go ahead with a Battery? Reach out to Austra Solar for the best deals on Solar and Battery.

Phone: 1300-237-588


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