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Alpha ESS Batteries

Alpha ESS batteries - one of the largest residential battery brands in Australia by installed volume.

Alpha ESS battery

About Alpha ESS Solar Batteries

Alpha ESS batteries are one of the most popular solar batteries in the Australian market, and we're not just saying that.

In 2022 and 2023, they held the Top Position for "Largest Solar Battery Manufacturer" installed by volume in Australia, ranked by SunWiz. In 2025, they hold #2 for the same category, following just under Sungrow.

Alpha ESS solar batteries are also one of the more affordable options on the solar storage market, which may explain part of the popularity, but by no means does that mean anything negative about them regarding quality.

Alpha ESS

Why Alpha ESS Qualifies for the Cheaper Home Batteries Rebate

Most importantly for anyone who is here because they want to cash out on the Cheaper Home Batteries Program with their installation (which we know is the majority of us!), they have CEC Approval. It means two great things: they have been approved by the Clean Energy Council, Australia's solar energy industry body that evaluates products to stringent standards for safety, quality and performance. And number two, they meet the eligibility criteria as a solar battery to access the rebate for your next installation.

It's not just for homeowners too.

While they are popular for the small-scale requirements of household solar, Alpha ESS battery range also provides options that scale up for commercial, industrial and utility needs. Small business owners and managers in the public sector can access the rebate to purchase Alpha ESS batteries too.

Explore The Alpha Range

Alpha SMILE B3 Plus

Alpha SMILE B3 Plus

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Alpha SMILE 5 10.1

Alpha SMILE 5 10.1

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Alpha SMILE 5 13.3

Alpha SMILE 5 13.3

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Alpha SMILE G3

Alpha SMILE G3

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Alpha SMILE T10 HV

Alpha SMILE T10 HV

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Alpha SMILE G2 B5

Alpha SMILE G2 B5

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Alpha SMILE M5

Alpha SMILE M5

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Warranty:

  • 5 Years Product Warranty
  • 10 Years Battery Performance Warranty (backed by Munich Re)

*Additional terms & conditions apply.

Alpha ESS guarantees that the battery will keep at least 80% of its original usable capacity for up to 10 years (120 months), subject to the full warranty documentation.

Alpha Cloud

  • Built on the Microsoft Azure cloud server
  • Real-time monitoring anywhere with web and mobile apps
  • Remote control of system for maximum savings
Alpha Cloud

Awards & Recognition

  • 2025Ranked 2nd largest volume battery manufacturer in Australia
  • 2024Winner of the ESG Transparency Award for the second consecutive year
  • 2023Achieved #1 Market Share in Australia (by SunWiz)
  • 2022Recognised as Australia's #1 Battery Energy Storage System (BESS) provider (by SunWiz)
  • 2022SMILE-G3 awarded the Red Dot and G-Mark Good Design Award
  • 2021Ranked Top 6 Global Residential ESS Supplier (by IHS Markit)
  • 2021 & 2022Awarded Top Brand PV (Storage) Australia (by EUPD Research)
  • 2020Ranked Top 5 Global Residential Storage Supplier (by IHS Markit)
  • 2018SMILE5 won the iF Design Award and Red Dot Design Award
  • Additional recognition with multiple Good Design Awards (G-Mark)
Alpha ESS installation

What We Love About Alpha ESS Solar Batteries

Alpha ESS has some great batteries, and it's no wonder Australians love them. Our installers always love their reliable hardware, competitive pricing and that unlike some other solar manufacturers, they have local offices in Australia. So local support is there from the manufacturers themselves, and Alpha ESS is easier to reach. The batteries are also modular and fully stackable, so they're great for keeping installations neat and for scaling up in future when a family finds they need more energy storage power in their home. Alpha ESS batteries have a facade that's also easy to open, so achieving a clean installation or troubleshooting something is even simple. The IP65 rating across their range also opens up the option for installing them outdoors.

With lots of great features like AC or DC coupling, blackout protection, and VPP eligibility for users that want to take advantage of these programs, Alpha ESS are a great choice for many Aussies.

Eligible for the Cheaper Home Batteries Program

  • CEC Approved
  • VPP Ready
  • Combine with other state incentives to maximise your savings

Alpha ESS Batteries' Great Features & Benefits

AC and DC coupling available for all types of solar battery installations

Alpha ESS produces both configurations of batteries: AC coupled which is better for retrofitting and DC coupled which is the ideal choice for a new installation. Whether you need to install a new system along with solar panels, retrofit an existing solar pv system without storage to have batteries, or to expand your current solar battery installation - it's all different. Different design set ups, different components and different labour needed. Don't worry, we make it simple, and will help you understand what your best options are for one (even if it's with another solar battery brand) to achieve your goals and get the most out of your system.

UPS for Blackout Protection

Another great perk of owning a solar battery? Having power to warm up a meal and watch tv during the middle of a blackout. Alpha ESS batteries come with optional blackout protection through a technology capability called ‘Uninterruptible Power Supply' or UPS for short. With this feature, your home battery can kick in within less than 20 milliseconds when an outage happens. It is important that when you purchase a battery like this that you talk to your installers, if you want to activate it, as it is not activated automatically. This feature may not be available for every model.

Cobalt-Free with LiFePO₄

Alpha ESS batteries are built with advanced LiFePO₄ (Lithium Iron Phosphate) technology, offering a safer, longer-lasting, and more sustainable choice for home energy storage. Unlike conventional lithium-ion batteries, LiFePO₄ is inherently stable and cobalt-free, reducing environmental and ethical concerns while also lowering the risk of overheating or fire. This chemistry delivers thousands of charge cycles, excellent efficiency under heavy use, and consistent long-term performance

International Standards & Certifications

Alpha ESS products are tested and certified to meet globally recognised safety and performance standards:

  • UL1741 - Ensures inverters and related equipment are safe for grid connection.
  • UL1973 - Certification for battery safety in stationary and vehicle applications.
  • UL9540 - Covers the overall safety of energy storage systems, confirming that the battery and all components work safely together.

These certifications mean the products comply with strict international benchmarks for reliability, quality, and safety.

Modular for Flexibility and Scalability

Alpha ESS solar batteries are designed with a modular architecture, giving homeowners the flexibility to adapt their energy storage as their needs evolve. Instead of making a large upfront investment, you can start with a smaller system and expand capacity over time by adding extra modules. This makes them ideal for growing households, future solar array upgrades, or the addition of new energy demands such as electric vehicles. The modular design also simplifies maintenance. Individual modules can be serviced or replaced without shutting down the entire system.

AlphaESS Batteries are VPP Capable

As one of the most popular solar batteries in Australia, they are commonly compatible with many leading VPPs - including Origin, EnergyAustralia, Amber, Globird, and Engie (availability varies by program and location).

VPP stands for ‘virtual power plant'. Unlike a traditional coal and fossil fuel power plant, a VPP operates through a connected network of solar batteries that users can choose to opt into. VPP members get incentives to join the network such as higher returns than solar feed-in tariffs or upfront paid cash, and the VPP operator in return can draw from this network to supplement the grid when power reaches peak demand.

Participating in a VPP isn't mandatory to the Federal Rebate, but there are eligibility requirements that the battery you install has the capability to connect to VPPs. Alpha ESS batteries are VPP capable, and here at Solar Battery Group we give you tips on what VPPs you can connect to with these batteries in case you do want to compare and connect to one to help accelerate the timeline of when your batteries pay themselves off.

If you're looking for Powerclub VPP, there's a reason we haven't listed them.

While this VPP may still be mentioned in older solar battery news, it is not in operation anymore. Powerclub was suspended from the National Electricity Market (NEM) by the Australian Energy Market Operator (AEMO) for failure to comply with their requirements.

You can read the full AER document here.
Alpha ESS pricing

Pricing for Alpha ESS Batteries

Alpha ESS residential batteries cover 3 kW to 10 kW, and are regarded as one of the more accessible CEC approved solar batteries on the Australian market. Installation costs vary depending on your watt capacity, as well as your location, additional technology needed (e.g. solar inverters), and labour based on the job (new system installation, retrofit, or add on).

Through the new National Battery Rebate the initial price for a solar battery has also been reduced, to make installation even more affordable. Fill in the National Rebate form or call 1300 657 529 to find out more information based on your situation and discover the possibilities.

Monitoring and maintenance

Monitoring and Maintenance Plans for Your Alpha ESS Battery

With Solar Battery Group's Platinum Warranty & 5-Year Monitoring and Maintenance Plan, your Alpha ESS battery is protected like roadside assistance for your solar. For 5 years, we'll remotely check and monitor your system, provide unlimited service callouts**, offer 10% off service and replacement products**, and keep you updated on new energy-saving technologies - all ensuring your system runs safely, efficiently, and without costly downtime.

(RRP $2,495 for 5 years - benefits apply in addition to standard warranties and consumer law rights.)

**These benefits are additional to the product warranties and your consumer law rights and will apply if work required is not covered by the warranty (for example, is due to storm damage or the fault is with materials purchased from a third party).

AlphaESS: One of the Leaders in Clean Energy in Australia and Worldwide

Today AlphaESS is a global brand and major driver of innovation and clean energy adoption. First founded and established in Nantong, China in 2012, AlphaESS has since expanded across Denmark, United Kingdom, Italy, Netherlands, Australia and New Zealand, and the USA.

AlphaESS Australia was established in 2015, as Australia's own local branch. Since then, the major solar manufacturer has made its mark on Australia's clean energy industry with award recognised solar storage adoption, design, and transparency.

Solar Battery Group is proud to be a well-recognised Alpha ESS battery distributor in Australia.

Get a Quote for an AlphaESS Battery

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Like any solar product, the reliability and performance of Alpha ESS solar batteries greatly depends on the solar installer. At Solar Battery Group, we've been doing this for years and are backed by over three decades within the industry.

When you choose us, you're not just getting a battery-you're getting expert installation, trusted aftercare, and the confidence your system will perform for years to come.

Request your free, no-obligation quote today and start your journey to energy independence.

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Frequently asked questions

Yes, you can. When connecting, 3-phase meters are used. These meters will ensure that the required power of the battery will be compensated on the 3 phases.

An example:

Two consumers each need 500 Watt at a certain moment and are connected to phase 1 and phase 2, for example. The battery system is connected to phase 3, and there is currently no demand for energy on that phase. The AlphaESS system then measures how much electricity is needed in total over the 3 phases at that moment (in this case 1000 Watt). This electricity is made available on phase 3 because the home battery is connected to that phase.

Because there is no consumption on phase 3 at that moment, the 1,000 Watt on phase 3 is injected into the electricity grid. At the same time, the 500 Watts needed by the users on phase 1 and on phase 2 are withdrawn from the grid. The same amount of electricity that the users need is therefore injected on phase 3 (1,000 Watts) and withdrawn on phase 1 (500 Watts) and phase 2 (500 Watts). In this case, the electricity meter is stopped, so there is no additional electricity cost. Learn more about 3-Phase Power

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