Note: Solar Choice is not affiliated with Sungrow Batteries or any other battery manufacturer, so our reviews reflect an unbiased assessment of information on their products.
Who is Sungrow? Company Overview
Sungrow were founded in 1997 in China and have grown to be one of the biggest Chinese brands in the solar market.
The company is also well established in Australia with a local office based in North Sydney with staff able to assist with technical issues and sales support.
We dive into all the technical and commercial aspects of the batteries in our Sungrow battery review below.
Sungrow Battery Points of Difference
There are a few things that help Sungrow stand out from the competition
Stackable Batteries
Sungrow has adopted the stackable and modular approach to battery storage. Their batteries come in ‘towers’ which you can stack up to 8 modules on top of each other. This makes installation easy as one installer can complete the installation by themselves, unlike the Tesla Powerwall for example which requires 2 installers to lift the unit.
This also makes it very easy to expand the battery capacity in the future by dropping another battery module to your stack. This still needs to be completed by a qualified electrician.
Lithium Iron Phosphate (LiFePO4) Battery Chemistry
Lithium Iron Phosphate has now become the most popular battery chemistry for its stable characteristics and high depth of discharge. Sungrow have adopted LFP across all the batteries they have launched in Australia since 2018.
Sungrow’s Range of Batteries in Australia
Sungrow currently has 2 main battery models that are available in Australia – the SBH series and the SBR series. Lets find out the difference and what would best suit your needs.
SBR Series
The SBR series features individual battery modules of 3.2 kWh (usable). You will require at least 2 modules in your stack, so the battery solution starts with a minimum capacity of 6.2 kWh and can increase in 3.2kWh increments to a maximum of 25.6kWh.
The battery has a depth of discharge (DoD) of 100% which means you can make use of all the battery capacity. Typically DoD for batteries is between 70% and 100%. The battery solution is IP55 rated meaning it can be installer inside or outside.
Each battery module weighs 25kg so in theory, one installer can complete the installation by themself.
SBH Series
Sungrow’s SBH series starts at a minimum battery size of 2 x 5kWh battery modules. You can add additional modules to the ‘stack’ all the way to 40 kWh. This is designed for large residential or small commercial applications.
The battery features the same stackable design with each battery module weighing 45kg, meaning you can’t get away with just one installer. The battery has the same 100% depth of discharge and environmental rating of IP55.
Each battery module can be continuously charged or discharged at 50A or 3.54kW which means the battery can be discharged rapidly in under 2 hours which is an important feature in commercial applications.
How much does a Sungrow Battery cost?
As we’ve seen in the Solar Choice Battery Price Index, the cost of batteries has remained somewhat steady since 2008. However there’s been an array of rebates come out in individual states which has improve the end cost to consumers.
Currently based on data from Solar Choice’s network of battery installers, the average cost of a 9.6kWh Sungrow SBR battery is $10,694 including installation.
Please note that costs in your circumstances will vary based on installation requirements, products and which installer you use.
Compare quotes from qualified installers online.
Sungrow’s warranty for Australian customers
Sungrow’s currently available SBH and SBR series come with a 10 year product warranty which covers manufacturing defects. This is broadly the expectation of solar batteries in the Australian market. It should be noted that Sungrow’s previous low voltage model (SBP4K8) only offered a 5-year product warrranty.
As of the 1st of October 2024, Sungrow have improved their performance warranty to meet the eligibility requirements of the NSW Solar Battery rebate. The 10 year performance warranty guarantees that the battery will retain 70% of its initial capacity at the end of 10 years or 4,000 cycles of the product (whichever comes first). The 4,000 cycles more than covers an expected battery usage of 1 cycle per day (3,650 cycles over 10 years).
It should be noted that Sungrow excludes the labour, freight and waste disposal associated with any warranty claims after 5 years. So if your battery breaks down in years 5 – 10 you are still likely to be up for a fair bit of costs to repair the battery even if its covered. This is not like-for-like with many other 10-year battery warranties which will cover all of this cost for 10 years.
Sungrow do have a local office and support team to assist with warranty claims based out of their office in Sydney.
Read Sungrow’s full warranty policy on their website.
Pros and Cons of Sungrow Batteries
Pros
- Competitive price
- Batteries are modular and stackable – lower installation costs and easy to expand in the future
Cons
- Batteries are DC-connected so not a good option if you already have solar installed without a hybrid sungrow inverter
- 10-year warranty policy excludes a lot in years 5 to 10
Conclusion: Are Sungrow batteries a good option?
If you’re looking to get solar panels and a battery installed (no existing system) then a Sungrow inverter and battery combination are likely to be one of the better options to consider. Sungrow are a big name in the solar industry and have been around for a long time with a pretty good reputation. They battery solutions offer a cost-effective solution.
If you have solar installed already and are looking to add a battery, or would prefer to go for a more premium battery option then Sungrow batteries are probably not the right fit for you. Their ‘lite’ 10 year product warranty leaves a bit to desired.
Read more product reviews from Solar Choice
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Reviews from Australians who have installed Sungrow Batteries
Like the ability to add new modules if required
Works well, however the retailer sold me a "Whole house" back up solution, however only 1/2 of my house is actually backed up from the Battery's
Works very well - gets us through the night without a problem.
Happy with performance. Can monitor and configure on app.
Don’t know what the performance is at this stage but if we need to upscale from 9.6 kw we can add extra 3.2 battery at any time
Review left 2 years after system installed
Only had it a few months, too early to tell. So far its doing what it is supposed to be doing.
Works well. A lot smaller than I thought.
Great app helps me monitor battery charge and grid feed-in and load.
The 10kW battery is made up of three stacked 3.3kW batteries that can be added to later if needed. The batteries were much smaller in size than I thought which is great for our carport location. The batteries generally get us though the evening peak & overnight without running out. If we run the A/C we get about 3 hours before full discharge & is usually fully recharged again by 11am the next day. So we have used minimal grid power since installed.
The battery is good looking and performs as per spec sheet. It will run the whole house at night and in a blackout. Most summer mornings it will be charged by 10am to replenish the charge used the previous night.
Had a SunGrow inverter installed year prior to the battery with full intent of getting a battery sometime after. So far both battery and inverter have been great apart from some early configuration issues with the inverter which wasn't exactly SunGrow's fault but their remote services soon fixed them. I rate both products and the vendor as top notch.
The sungrow battery is brilliant...only ran out after consecutive rainy days..only takes a few hours of good sunlight to charge
I can only comment on summer performance which is very good. The battery is compact and has a small footprint. One of our requirements was that the battery was scalable.
Sungrow is one of the most commonly used batteries, which gives me confidence there are unlikely to be any issues with it.
Sungrow seemed to be a common brand and the inverter and battery have been in the market for a while with positive reports on their reliability. Easy to monitor the system productivity through the App on phone and online.
I had read about this particular brand of battery and how it works very well with triphase power Which we had at our premises. Information was also showing this brand did very well when the power grid was down so it could run off grid on its own. So far, it’s been very reliable.
Batteries are working so good that I’m thinking of adding more capacity.
It works great and is monitored through the Sungrow hybrid inverter.
The battery performance is excellent and recharges very swiftly each morning. It is a Residential SBR096 9.6kw, the only drawback to the whole system is the 5kw export maximum limit enforced by Energex.
very happy with the specification of battery size. i have enough to run the house during night hours.
