Alpha-ESS solar batteries reviews

Based on 42 ratings Aus Ranking

  • 5 star 28
  • 4 star 4
  • 3 star 1
  • 2 star 3
  • 1 star 6

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About Alpha-ESS, Solar Batteries

Alpha-ESS solar batteries review

Energy storage manufacturer Alpha ESS was established in 2012. A Chinese company, it has offices in Australia, the UK, Germany and Italy.

In Australia, the main Alpha-ESS product line is the Storion SMILE. This is an all-in-one unit, meaning the system includes batteries, a battery management system (BMS) and an inverter.

The battery modules used in the Storion SMILE are lithium iron phosphate chemistry; widely considered the safest type of lithium ion battery technology.  Alpha-ESS sources battery modules from another Chinese company, EVE, which has been in the battery business since 2001. 

The Storion SMILE range is available in various capacities and AC/DC/Hybrid coupling options are available. This unit does have blackout protection capabilities. As for power output, that varies with the model - for example, the 5.5kWh model has 2.8kW nominal output, while the 16.5kWh is 4.6kW. 

Alpha ESS Warranty

The warranty for Alpha ESS solar batteries guarantees a minimum of 80% of their original capacity after 10 years, assuming the system is connected to the internet and is only used for self-consumption. If the system is not internet connected, the warranty plummets to three years. 

If the system is used for puposes other than self-consumption, assumed to include use as part of a Virtual Power Plant (VPP), the warranty will expire earlier - when total energy of 2.92MWh per kWh of usable capacity has been dispatched from the battery.

For a deeper dive into Alpha ESS, check out Ronald's review (just bear in mind it was written a while back and some information may no longer be current) or view further specifications here.

We haven't heard a lot of how these batteries are doing in real-world conditions in Australia, so if you're an Alpha-ESS battery owner we'd really appreciate you adding your review by clicking the button towards the top of this page.

Alpha-ESS Solar Battery Reviews

Bought From: ShineHub Show additional information

Works well to eliminate all peak usage

During summer most weeks we draw zero off the grid. During winter we charge batteries overnight to be used during the day to offset the peek usage. Works really well. Have a 10kw battery with 6kw of solar with a family of 5.
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Bought From: Project Solar Show additional information
Bought From: Smart Energy Answers NSW South Coast O Show additional information
Bought From: Your Green Planet Show additional information
Happy happy
Bought From: ShineHub
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Bought From: Kozco Energy Group Show additional information
The 13.3kw Solar battery works well in harmony with the solar inverter and solar panels. Also provides timely and up to date information through the App, which installed on my mobile and iPad.
Bought From: Natrix Solar
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Bought From: Global Solar Solutions Show additional information
The battery is the Alpha SMILE-BAT-13.3P which has a capacity of 13.34kWh.
This battery uses the very safe lithium chemistry - Lithium Iron Phosphate.

Also the Alpha -ESS system has a great App for the phone so that you can see where the power is coming from and going to.
Bought From: Kozco Energy Group
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Bought From: ShineHub Show additional information
Bought From: ShineHub Show additional information

Amazing battery

Perform well, and save a lots of money. Installed by a Chinese company, called Delight Solar. The sales and electrians are all quite nice, really good experience.
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If you can afford the solar system, you can also afford the battery too.
Bought From: ShineHub
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Bought From: Smart Energy Answers Sutherland Shire - South Sydney D Show additional information
Bought From: ShineHub Show additional information

Not so happy with it.

Didn’t make much difference. Don’t waste $6000 + on this.
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Nice Battery. Shameful Security

So I got this battery as part of a Shinehub PPA type install. I wasn’t originally planning on a battery, but this deal seemed too good to ignore. I do wish I had though.

The problem with this system is the complete lack of security. Initially the problem for me was the total lack of API access, so that I could do some automation based on the battery level, etc.
While failing to get API access, I thought I’d see what sort of traffic the system sends. Expecting it to be encrypted.
What I found was that it was totally unencrypted, with no real authentication. That’s bad enough. But worst of all, the server side (in Singapore!) sends my battery my home address totally in the clear.

This same system can control the battery to get it to charge from the grid, or discharge to the grid.

If you don’t care about security, and a poor app for monitoring, then this battery might be OK. If, however you realise that this is not a good thing for your home power and the security of the Internet in general, I would steer clear.

Also, come on AlphaESS, provide API access. Don’t be backward.
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Completely insecure system. Zero API access. Poor app, and web UI. That's enough to make me seriously regret the purchase.
Bought From: ShineHub
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Very happy with my Alpha ESS

I had an Alpha ESS inverter & battery fitted in October. The battery has a theoretical capacity of 13.3kWh, with 12kWh useable.
On a sunny day I produce a bit over 40kWh/day, the battery is usually fully charged by 11am CDT.
The battery then stays fully charged until about 7pm, when draw down starts.
Overnight the battery is normally drawn down to 40% remaining, depending on use, the range is 25-52% remaining.
Summer has been so cool I haven't had a night when I've run my evap A/C all night, so that test waits for next year.
The maximum draw down the battery controller will allow is 5000W, so if you turn enough appliances on to draw more than 5000W, the controller tops up the extra draw from the grid, even when the sun is shining.
I've set a drawdown limit of 13% to extend battery life, but have not drawn the battery down to this level yet.
My electricity bill has changed from a $500 bill to a $500 credit during summer, so I'm very happy.
I just hope my battery lasts for the promised 10,000 cycles
The battery charges & discharges quietly, with no personal management required
The app is good, the only problem is if I level the app open all of the time, it stops working and comes up with a token time out error. This is fixed by closing the app & re-opening it.
I haven't had a blackout since installation, so I can't comment on its blackout performance
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Not the cheapest but excellent storage

Alpha-ESS S5 system installed 4 years ago providing 9.6kWh of storage used in conjunction with only 4.5kWh of solar panels. For the 2020 calendar year, grid usage equated to 28% of total usage in a fully electric home. Of the grid usage, 63% was at off-peak rates resulting in the total annual cost being a small credit. Installer failed however to connect back-up facility which is currently being addressed,
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love Alpha-ess app nothing really has the same information as this brand.
Bought From: Aussie Farmers Group Adelaide
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Don't waste your money

Installed this battery in Feb 2020 after highly recommend by solar installer. However this battery does not perform as what been told on Alpha ESS data sheet.
My daily usage average at 7 kWh. I have solar panel & this battery but yet I still buying grid from retailer for approximately 3kWh daily. Most of the grid brought from retailer are at night time. It shown that the battery is just a dummy unit display at my house as it only help to contribute 10% of it power at night time.
Feedback to installer and they take age to finding the issue and yet I had been told it's working normal. What ????
Provide comparison between Alpha ESS & Tesla Powerwall performance to installer and hoping for some technical explanation. Unfortunately I have been told I should not compare between this 2 model as it's different. What ???
Installer came, checked, change setting, change new smart meter the problem still not solve.
We are looking at least 90% saving with solar panel with solar battery but now it only 50% sometime less.
Disappointed. Worst investment.
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Bought From: ShineHub Show additional information
Battery was retrofitted as part of a VPP in august. Seems to work well so far
Bought From: Energy Buster
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A bit early to tell conclusively but at this stage very happy with the performance.
Bought From: AH Electrical and Solar
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Bought From: Suntrix Adelaide Show additional information
Bought From: Greenultimate Pty Ltd Show additional information
I'm disappointed......At my previous property, I had a Tesla Powerwall 2 - it provided automatic backup on mains/grid failure, and the solar panels kept working.
This system, with 2 x 10.1KwH batteries, requires manual switching on mains powerful, and solar panels cease working......
To be fair, the later issue (existing solar panels ceasing) is because i have two submarines- solar panels on one (on the shed), and the battery on the other (house).
Shinehub did a pre-instal inspection and noted my expectations.....but the installation did not deliver.....
The Tesla Powerwall offered fuil backup....Shinehub (so I've now discovered) only provided for lights, the fridge circuit and the modem circuit...
Very disappointed.
Bought From: ShineHub
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Bought From: Solar Service Group Show additional information
Bought From: ShineHub Show additional information
Just installed but everything seems to be A-OK
Bought From: Solar Service Group
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Bought From: Solar Service Group Show additional information
Bought From: Exceed Solar Show additional information
Bought From: Exceed Solar Show additional information
Bought From: ShineHub Show additional information
Bought From: Solar Service Group Show additional information
It charges quickly and at 10.6 kw seems the right size. Low profile and includes the inverter
Bought From: Essential Solar
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Bought From: Central Coast Energy Show additional information
Has been installed for 6 months with no problems.
Bought From: Aussie Farmers Group SA
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All products work perfectly with each other. Solar batteries installed by Solar Service Group. Installed 4/7/19. Price was very competitive, they applied government rebate and paid the balance. Paid $5980 for supply and install Solar battery that also includes 5 yr monitor and maintenance plan. Bought the Goanna 2.9KWh battery K29
Bought From: Solar Service Group
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Bought From: Solar Service Group Show additional information
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