SolaX Power review

SolaX Power - Battery Reviews

4.3

Based on 16 ratings

Finn's SolaX Power Batteries Review & Verdict

Finn Peacock has been a Chartered Electrical Engineer since 1998, and is ex-CSIRO

Solax used to use NMC battery cells supplied by LG Chem. That should have provided some confidence — until a significant (and currently ongoing) LG recall affected some Solax batteries. Those Solax models are now discontinued, and the company has since switched to LFP chemistry cells from another supplier.

I’m not a fan of the Solax brand, its hardware, or its support. For similar money, I’d go with a Sungrow battery every time.

SolaX Power Batteries: Pros & Cons

  • Modular
  • Comparatively cheap
  • Must use Solax hybrid inverters

About SolaX Power

Solax been around for a while, having its roots in a company called Suntellite Group, which established back in 2003. The Solax brand was established in 2012, and the firm has evolved into a multinational corporation with more than 2,000 employees worldwide. It started out producing hybrid inverters in 2013, and its first battery was released in 2017.

As with many solar battery companies, Solax headquarters are in China - but it also has offices in Netherlands, Germany, UK, Australia, Japan and the USA. The company established a subsidiary in Australia in 2014.

Australian Contact Info

Address: 21 Nicholas Dr, Dandenong South VIC 3175
Email: [email protected]
Service Hotline: 1300 476 529

Australian website

Solax Batteries

In Australia, Solax's major storage product family is the TriplePower. These are "plug and play" batteries with usable capacity up to 43.1kWh and charge/discharge power up to 23.2kW.

T-BAT-SYS-HV-5.8

This line of batteries starts off with a usable capacity of 5.1 kWh, but can be expanded with additional "slave" units out to 20.7kWh usable capacity. The master unit measures 474 x 193 x 708mm and weighs 72.2kg. The slave add-ons are 474 x 193 x 647mm and weigh 68.5kg.

Continuous power ratings range from 2.8 kW for the master unit, up to 11.5 kW for a fully expanded system. All use lithium-ferro phosphate (LFP/LiFePO4) chemistry cells and Solax says the batteries have a service life of more than 6,000 cycles.

These batteries can be floor or wall mounted, either indoors or outdoors.

Note that these Solax TriplePower batteries are only compatible with hybrid Solax inverters and are not off-grid capable.  As far as pricing goes, Solax are one of the cheaper lithium-ion battery systems available in terms of cost per warranted kilowatt-hour.

T-BAT-SYS-HV-S3.6

The base model of this LFP-chemistry battery line has 6.5kWh of usable storage capacity, but can be built out using stackable 3.6kWh modules weighing 33.5 kg each to 43.1 kWh (two stacks). Power ratings start at 3.5kW for the base model and increment up to 23.2kW for a 43.1 kWh system. IP65 rated, this battery is suitable for both indoor and outdoor installation.

Again, inverter compatibility is limited to Solax hybrid inverters.

Compare specifications of the TriplePower with models from other brands on SQ's home battery comparison table

Solax Recall

Some SolaX Power X-cabinet and PowerStation models (now discontinued) with cells supplied by LG Chem are subject to a recall. Affected systems may overheat and cause a fire. It appears Solax is no longer using LG cells as the battery chemistry of current TriplePower models is lithium-ferro phosphate (LFP/LiFePO4), and the LG cells were Nickel Manganese Cobalt (NMC).

Solax Warranty

Solax provides a 10-year warranty on its batteries. It guarantees the TriplePower will retain at least 70% of its nominal storage at the end of the warranty period. An interesting condition is when expanding a system. If the original battery is more than 1 year old, Solax needs to be contacted first for consent.

If you have a Solax system, share your thoughts on how it has been performing.

SolaX Power has no solar batteries in our database

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SolaX Power Reviews (16)

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An incentive was offered by Stored Solar for this review. Learn more here.

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Has proved to be large enough to provide power without needing much grid power.

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I was told the batteries were used when there was a power outage but when the power goes out from the grid i still have no battery power

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We are very happy with the performance and ease of operation of our new system.

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I have 18 panels with a 6 Kw inverter and two 6.3 Kw batteries. my system is only two years old but I can't add another battery because SolaX have moved to a gen 2 battery and don't make the HV battery anymore. After only two years my system is redundant hence the one star for value for money.
The LG battery in our Solax system is involved in the recall, which Solax have acknowledged and it will be replaced for free. 5 months later and Solax are still telling us they have no stock to replace our battery with. So we are bleeding money in wasted solar energy (and about to head into a Canberra winter) with a very expensive Solax system that doesn’t work to full capacity. I would avoid Solax as a general rule.
I've a three year old, two battery setup. First issue, and Solax and the dealer came back to me quickly. This is for the Triple Power battery units.
System works as expected and the price didn't sting to much, unfortunately it was installed by social energy now defunct and it was internet connected to them. Solax service seems unable to direct me to a recommended service provider to remove the connection and connect to the Solax cloud in Adelaide. Not sure with that how any warranty issues could be resolved locally. That is the disappointment.
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