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SolaX Power solar inverter reviews

Overall Rating From 30 Reviews:

SolaX Power solar inverter reviews

Average Customer Rating:

Solax Inverters

Solax is a Chinese solar inverter manufacturer with an Australian office in Melbourne. They produce inverters with 5 year warranties at competitive prices and claim they have a mean time before failure of over 100,000 hours. This appears to mean their average inverter can be expected to operate for over 11 years before failing, but these figures are generally not calculated using real life conditions.

In addition to standard inverters, Solax also makes multimode inverters (also known as hybrid inverters) that are compatible with three different battery systems, including the LG Chem RESU 6.4.

Solax Single Phase Inverters

Solax single phase inverters are standard solar inverters that are sometimes called grid-tie inverters or non-islanding inverters, but usually, they’re just called inverters. They don’t support the use of battery storage or allow electricity from solar panels to be used when the grid is down.

Homes with these type of inverters can have battery storage installed, but it will need to operate independently from the inverter and either be connected with a DC converter such as the Goodwe GW2500-BP or a battery-inverter such as the Sunny Boy Storage. According to Tesla, the new Powerwall 2 has a battery-inverter that allows it to be used with any solar inverter.

While they are single phase inverters, they can be used by homes that have 3 phase power.

Solax 3 Phase Inverters

SolaX also produces 3 phase inverters, but as their smallest is 10 kilowatts, they are unlikely to see much residential use.

Solax SL-TL1500 to SL-TL3000 Single MPPT Inverters

These inverters are available with capacities of 1.5, 2, 2.6, and 3 kilowatts. They only have a single Multiple Power Point Tracker (MPPT) which means that all the solar panels must normally face in the same direction to prevent losses, unless smart panels or some other form of optimization is used.

These inverters come with a warranty of 5 years.

The noise emission of these inverters is given as under 30 decibels, which is pretty quiet, but is likely to be more than twice as loud as a the more common noise emission by modern transformers of under 25 decibels. This is an important consideration if you are ever planning on installing one inside a sound studio.

SolaX X1-3.0T to X1-5.0T Dual MPPT Inverters

These inverters are available with capacities of 3, 4, 4.6, and 4.999 kilowatts. They have two MPPT which means they can accept two sets of panels facing in different directions. For example, a house could have panels facing both east and west if desired.

They come with a warranty of 5 years, but the datasheet points out this can be extended to 10.

I would like to congratulate SolaX on accurately naming these particular inverters. Sometimes manufacturers will use names that suggest a 4.6 kilowatt inverter is 5 kilowatts, as if it is okay to just start rounding up to the nearest kilowatt at that point. But the SolaX X1-5.0T is 4,999 watts. Being one watt short of 5 kilowatts is not a problem, but a useful feature. It allows it to be installed in the Ausgrid network area which included the eastern suburbs of Sydney where people with single phase power are only permitted to install inverters of under 5 kilowatts capacity and 4.999 kilowatts is under that amount.

People in the Endeavour network area in the western suburbs of Sydney are also limited to installing inverters of under 5 kilowatts if they have single phase power, but as they are also limited to installing under 5 kilowatts of panels, they can install a 4 or 4.6 kilowatt inverter and still produce almost exactly the same amount of electricity.

The noise emissions of these inverters are given as under 25 decibels, which literally makes them whisper quiet, as a whisper is about 25 decibels.

Solax 3 Phase Inverters

SolaX also produces 3 phase inverters, but as their smallest is 10 kilowatts, they are unlikely to see much residential use.

SolaX Multimode (Hybrid) Inverters

SolaX also produces multimode inverters, also known as hybrid inverters, which can be used with battery storage. These come in 3, 3.68, and 4.6 kilowatt capacities.

While I admitted SolaX did a good job of naming their standard inverters, they really dropped the ball when it came to their multimode ones. Those with 5000 in their name are not 5,000 watt inverters as might expected, but only 4,600 watts.

In November 2016 there are three battery systems Solax lists on their website as being compatible with these inverters. They are the LG Chem RESU 6.4, the Pylontech Extra 2000, and Air Carbon Batteries. The LG Chem RESU 6.4 has been superseded by the LG Chem RESU 6.5 and other RESU systems, so you will need to check with SolaX to see if the new RESU are compatible.

These inverters are available with internal or external battery chargers which can charge and discharge batteries at up to 1.25, 2.5, or 5 kilowatts. Note that not all battery systems can be charged or discharged at 5 kilowatts.

Their multimode inverters can provide backup power during a blackout and SolaX says they are suitable for off-grid use. But when used in off-grid mode the amount of power they can supply from batteries appears to fall by about 20%, so this will need to be taken into account when deciding what size battery charger to use.

In off grid mode their 3 kilowatt multimode inverter appears able to deliver 1, 2, or 3 kilowatts depending upon the size of its charger while their 5 kilowatt multimode inverter appears able to deliver 1, 2, or 4 kilowatts.

Warranty Note

The warranty they currently provide for download on their Australian website in November 2016 is not the Australian warranty, but the UK warranty. So be sure to get your hands on an Australian warranty before you buy.

SolaX Energy Storage - The SolaXbox

Solax produces an energy storage system called the Solaxbox that has a warranty of 5 years.

My Recommendation

While SolaX is generally not considered as reliable as SMA, Fronius, or ABB inverters, they do have a lower price point and their multimode inverters appear to be one of the lower cost methods of installing some types of batteries with backup or off-grid capability. If you like their combination of low price and features then you can take a gamble on them, but I would go in eyes open and not expect them to last as long on average as the previously mentioned inverters.

Rating Comments Name State Postcode
Had to be changed several times as not reliable Service from Solax only average as relied on on one person only who could service and guess what while Inverter problems happened he was out of the country for 2 weeks Bad luck ?
Bought From: Sahara Solar Review Date: 23 August 2016
Barry VIC 3809
Bought From: Integra Solar Review Date: 12 July 2016
Appears to be very rel
Bought From: Euro Solar Review Date: 30 June 2016
Rowan QLD 4655

Bought From: SAE Group Pty Ltd Review Date: 17 January 2016
Carol QLD 4215
Sends daily data via wireless to our home computer to show how well it is performing.
Bought From: SAE Group Pty Ltd Review Date: 30 January 2016
Gary QLD 4209
wifi is good
Bought From: Five Star Energy Review Date: 3 January 2016
Lins QLD 4650

Bought From: SAE Group Pty Ltd Review Date: 26 December 2015
Wayne QLD 4879
So far so good It is wifi enabled so with free app you have access to real time as well as history information, which is quite interesting
Bought From: Solar Sunwerx Review Date: 19 November 2015
Leo VIC 3201
So far so good.
Bought From: SAE Group Pty Ltd Review Date: 5 November 2015
Michael QLD 4562
Needed replacement after a short time. The new one has been fine.
Bought From: SAE Group Pty Ltd Review Date: 24 October 2015
John NSW 2420
This inverter has a small LCD display and some menu functions that enable the user to view various things, including KwH generated today, yesterday, and per month. It also retains 'errors' the system encounters along the way. We found that sometimes if there were interruptions to the standard electrical power for some reason, the system throws up an error code; and there were a few error codes that we could not identify.
Bought From: True North Solar Review Date: 25 September 2015
Estelle QLD 4814
Battery capable
Bought From: Energy Options Review Date: 11 August 2015
Richard NSW 2428
So far it has been operating perfectly.
Bought From: Integra Solar Review Date: 1 September 2015
John VIC 3878
The inverter has been pro forming very well with no problems. The web portal is well set up is a great monitoring system. It keeps the batteries charged as well as regulate the power usage in the house using the grid power as last resort. The service and support from True North has been really good. Great group of people to deal with.
Bought From: True North Solar Review Date: 19 August 2015
Michael QLD 4812

Bought From: True Value Solar Review Date: 9 August 2015
George QLD 4670
Changed the score for the installation as the Eurosolar installers damaged the roof capping on our colourbond roof. This wasn't immediately visible until or apparent until we started using our A/C at the start of summer. I then noticed a 5cm bend in colourbond attached to ridge capping sheet near the roof A/C unit. Not happy and actually paid for a tradesmen to fix it out of my own pocket.
Bought From: Euro Solar Review Date: 15 June 2015
Robert VIC 3690
Never set up the wi-fi/cloud reporting capability. Initially some minor communication difficulties, which I am sure could have been resolved, but I was never that concerned about getting the feedback, hence never completed the setup. I know from casual observation of the output during what should be ideal solar conditions, that the inverter is producing the expected full power output. So I have never had any reason to doubt it's operation or efficiency.
Bought From: Solar Sunwerx Review Date: 15 May 2015
Russell VIC 3095
inverter failed after 4 months but was replaced in 4 days no problem good service from all concerned
Bought From: Solar Sunwerx Review Date: 6 May 2015
Brian VIC 3136
From a consumer perspective it is very difficult to get the data to determine how efficiently your inverter is operating. If it doesn't fail, and you are getting around 70% of the nominal KW rating of the system purchased generated then you are probably achieving reality.
Bought From: Solar Sunwerx Review Date: 12 April 2015
Peter VIC 3195
Monitoring software is a bit uninspiring. The installers Citisolar offered a 10 year warranty at the time of sale along with the assurance that the inverter was battery ready. After the installation it took me months of following up to get the 10 year warranty and the battery ready was acknowledged to be rubbish - we would not need it. Two months later Teslar announced their house batteries. Poor form Citisolar.
Bought From: Citisolar Review Date: 7 April 2015
Guy VIC 3016
The wifi monitoring is easy to set up and v useful.
Bought From: Solar Sunwerx Review Date: 29 May 2015
Rob VIC 3150

Bought From: Gryphon solar Review Date: 14 March 2015
Ian VIC 3225

Bought From: Planet Power Review Date: 1 March 2015
Bruce NSW 2640

Bought From: Green Engineering Review Date: 5 December 2014
Anon VIC 3337

Bought From: Solar Sunwerx Review Date: 10 August 2014
Mike VIC 3909

Bought From: Solar Sunwerx Review Date: 3 June 2014
Bruce VIC 3188
Parts take to long to get and install by Euro solar. Have waited 3 mouth for system to work as it should do
Bought From: Euro Solar Review Date: 15 April 2017
Alec NSW 2580
Efficiency has dropped approximately 10% since I purchased it 12 months ago. Maximum generation is now approximately 4.7 kW though I think it's likely due to the panels rather than the inverter.
Bought From: Green Incentives Review Date: 1 October 2016
Darren QLD 4160

Bought From: True Value Solar Review Date: 6 February 2016
Helen VIC 3283
So far no problems
Bought From: True Value Solar Review Date: 20 January 2016
Chris SA 5113

SolaX Power has 6 solar inverters in our database

Model DC Voltage AC Power Efficiency
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