AlphaESS SMILE-M5
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30-Day Price Beat Guarantee – Get a quote on an AlphaESS SMILE-M5 and if you find a genuinely comparable price within 30 days, we’ll beat it.
AlphaESS in Brisbane and South East Queensland Homes
AlphaESS is one of the solar battery brands Volteam installs across Brisbane and South East Queensland, and it takes a different approach to most of the batteries on this page. The SMILE-M5 builds the solar inverter into the battery itself, instead of asking you to run and wire in a separate hybrid inverter alongside it. For a home retrofitting battery storage onto an existing solar system, that generally means one less major component on the switchboard and a shorter day on-site for our installers.
The SMILE-M5 is built around lithium iron phosphate (LFP) cells, stacks up to four 5kWh modules in a single unit, and adds a built-in aerosol fire suppression system as standard rather than as an optional extra. It’s a battery we recommend to households after a simple, set-and-forget system that runs quietly in the background and can grow with them later.
AlphaESS pairs an all-in-one battery and inverter with a 10-year product and performance warranty, installed by our own CEC-accredited team.
Who It's Best For
Single-phase homes
Most Brisbane and South East Queensland homes run on a single-phase supply, which is exactly what the SMILE-M5 is built around.
Blackout-prone suburbs
A fast switchover between grid and battery power keeps your essential circuits running when the grid drops out.
Value-focused households
A smaller entry-level module and a built-in inverter help keep the upfront cost down against a separate hybrid inverter line item.
Set-and-forget owners
Ultra-quiet operation and app-based monitoring mean you can install it once and largely forget it’s there.
about AlphaESS solar panels
AlphaESS SMILE-M5 Specs
The SMILE-M5 is AlphaESS’s all-in-one residential battery, combining an LFP battery and a solar inverter in a single enclosure. Each module stores 5kWh of usable capacity, and up to four can be stacked together for a maximum of 20kWh, so a household can start small and add capacity later without swapping out what they’ve already bought.
Where the SMILE-M5 stands out on paper is surge handling and solar headroom: a 200% peak overload capacity is designed to ride through the moment an air conditioner or pool pump switches on, and 240% PV oversizing means it can accept a larger solar array than many comparably sized batteries on the market. The trade-off, and it’s a real one, is that the built-in inverter tops out at 5kW of continuous power output per unit, and it’s single-phase only.
| Battery chemistry | Lithium iron phosphate (LFP) |
| Usable capacity | 5kWh per module, stackable to 20kWh (4 modules) |
| Nominal power output | 5kW, single-phase |
| Voltage range | 100-550V |
| Dimensions (H x W x D) | 240 x 620 x 390mm per module |
| Degradation | ≤1% Year 1, ≤0.35% per year after |
| Dimensions | 1757x1134x30mm |
| Weight | 49.5kg per module |
| Depth of discharge | 100% |
| Solar (PV) oversizing | 240% |
| Depth of discharge | 200% |
| Warranty | 10-year product and performance warranty |
| Certifications | IEC 62109-1/-2, IEC 62477, IEC 61000-6-1/3, AS/NZS 4777.2 |
Ready to Add an AlphaESS SMILE-M5 to Your Home?
Because the inverter is already built into the battery, adding a SMILE-M5 to your existing solar system usually means less rewiring and a shorter day on-site for our installers.
AlphaESS Battery Review
Across 230+ installer and homeowner reviews, the AlphaESS SMILE-M5 holds a 4.7 out of 5 rating, driven mostly by its stackable design, its all-in-one inverter, and the peace of mind that comes from built-in fire suppression as a standard feature rather than an add-on.
- Inverter and battery combined into one unit, with no separate hybrid inverter to install
- Stackable in 5kWh steps, up to four modules per system
- 240% PV oversizing headroom for larger solar arrays
- 100% depth of discharge, so you get the full rated capacity
- Built-in aerosol fire suppression as standard
Performance and output
Large capacity and great protection.
Reliability
Exceptional safety ratings and 10-year warranty coverage.
Value for Money
Mid-range price but great for scaling and easy installation.
AlphaESS SMILE-M5 Features and Benefits
All-in-one design
- The solar inverter is built into the battery, so an install typically needs one less major component wired into your switchboard
- More output from the same roof footprint
Peak overload protection
- 200% peak overload capacity is designed to ride through the surge when appliances like air conditioners, pool pumps, or induction cooktops switch on
- Cuts the risk of the battery tripping out under a sudden load spike
Fire safety engineering
- A built-in aerosol fire suppression system is standard on every SMILE-M5, not an optional extra
- Adds a layer of protection for households who want extra peace of mind around battery storage
Smart monitoring
- AI-assisted app monitoring tracks solar generation, battery charge, and household consumption in real time
- Integrates with your existing solar setup, so you can check performance from your phone
Scalable storage
- Starts at a single 5kWh module and stacks up to four, for a maximum of 20kWh without replacing what you've already bought
- Lets you size the system to your current bill and add capacity later if your energy use grows
Wondering if a SMILE-M5 can handle your home’s peak loads?
Get in touch with our team to check your switchboard and find the right system size for your home.
AlphaESS SMILE-M5 Pros and Cons
An honest look at where the SMILE-M5 stands out, and where it has real limits.
Pros
Solar inverter built into the battery, cutting a component from the install
Stackable in 5kWh steps up to 20kWh
240% PV oversizing headroom
100% depth of discharge
Built-in aerosol fire suppression as standard
Ultra-quiet operation, under 35dB
Cons
Single-phase only, so it isn't suited to a three-phase home
5kW continuous power output limit, the lowest ceiling of the batteries we stock
Round-trip efficiency isn't published, which makes it harder to compare directly against some rivals on that spec
Worried About the Next Blackout?
A SMILE-M5 switches from grid to battery power fast enough that most households don’t notice the changeover, and the built-in aerosol fire suppression means it can sit safely in a garage or under an eave.
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PROCESS
Our Solar Solutions Process
At Volteam Electric, we make going solar a seamless and enjoyable experience. Here’s a step-by-step guide to our solar solutions process
Step 1
Share Your Details
Step 2
Schedule Site Visit
Next, we’ll arrange an in-person consultation and site visit.
Our team will assess your property and discuss your solar goals, ensuring we understand your unique requirements.
Step 3
Receive a Quotation
After the site visit, we will provide you with a detailed quotation outlining the recommended solar solutions, including costs and potential savings.
Step 4
Confirm Installation Details
Once you’ve reviewed the quotation and are ready to proceed, we’ll confirm the installation date and finalize the price.
We ensure complete transparency, so you know exactly what to expect.
Step 5
Installation
On the scheduled date, our professional team from Volteam Electric will arrive at your property to install your solar system.
We handle all aspects of the installation process with expertise and care.
Step 6
Enjoy the Benefits
Now it’s time to enjoy the benefits of your new solar system! Experience greater savings on your energy bills, and stay in touch with Volteam Electric for any maintenance or repair needs. We’re here to support you every step of the way!
Compare solar and battery
Compare the best solar solutions for your home in one place. Use our tool to evaluate batteries, solar panels, EV chargers, and inverters. Start comparing today!
Why You Should Choose Volteam
Why You Should Choose Volteam Electric
CEC Accredited Solar Installers
Customisable plans
We offer flexible and customisable plans depending on your solar power needs and budget.
30-Day Price Beat Guarantee
Solar Battery Specialists
Take charge of your energy production and gain independence from big energy companies. We also offer upgrades and solutions for solar batteries.
Smart EV Charger Installations
Industry leading support
Our electricians and experts are always ready to answer your concerns and inquiries.
CEC Accredited Solar Installers
Customisable plans
We offer flexible and customisable plans depending on your solar power needs and budget.
30-Day Price Beat Guarantee
Solar Battery Specialists
Take charge of your energy production and gain independence from big energy companies. We also offer upgrades and solutions for solar batteries.
Smart EV Charger Installations
Industry leading support
Our electricians and experts are always ready to answer your concerns and inquiries.
Frequently Asked Questions
Which AlphaESS battery is right for most Queensland homes?
For most single-phase retrofits, the SMILE-M5 is the model Volteam recommends, because its stackable design lets you size the system to your current usage and add another module later if your bills say you need more storage.
Will a SMILE-M5 keep my home running during a blackout?
It powers a selected group of essential circuits rather than your whole house, which covers what most households actually need during an outage. The switchover between grid and battery power is fast enough that most homes don't notice the change.
What warranty comes with an AlphaESS battery in Australia?
The SMILE-M5 carries a 10-year product and performance warranty.
How much does an AlphaESS SMILE-M5 cost, installed?
Pricing depends on how many modules you add. As a guide, a supplied and installed system typically runs from approximately $6,500 for a single 5kWh module up to around $13,000 for a full 20kWh stack. Get a quote for an exact figure based on your home and your existing solar setup.
Can I add more storage to my system later?
Yes. The SMILE-M5 stacks up to four 5kWh modules in parallel, for a maximum of 20kWh, so you can start with one module and add more as your energy needs grow.
How does AlphaESS compare with other battery brands Volteam installs?
It sits closer to the mid-range on price against the batteries we stock, and its main trade-off is a lower single-phase power ceiling in exchange for a simpler, all-in-one inverter-and-battery install.
Not Ready to Commit to a Full System Yet?
Start with a single 5kWh SMILE-M5 module now, and add up to three more later without replacing the hardware you’ve already installed.
Where You'll Find Us in Brisbane
As Brisbane EV charger installers we’re based at Northgate on the northside, and we install across the whole city. Carports in Carindale, garages in Bulimba, apartment parking through the inner north, and the long cable runs you get on the acreage blocks out on the city fringe.
Volteam Electric delivers residential and commercial EV charging across Brisbane, alongside solar power systems, battery storage, and electrical service and maintenance.
Book a free quote for your Brisbane property.
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