A Solis S6 5 kW single phase hybrid lists at £624.17 excluding VAT, which is about 27% below the equivalent SolaX. Tesla does not price its inverter separately: the Powerwall 3 bundles it into a £5,975 package with the battery. The warranty is five years. Not five years unless you connect it, and not five that quietly becomes ten: five, full stop, set out in an appendix headed "Conditional For UK Market Only". Six European countries automatically receive a ten year extension on the same hardware. Britain is not one of them, and the upgrade here is sold through an app with a Stripe checkout.
Everything below comes from Ginlong's own current documents, from live UK trade listings and from the Companies House register, all read on 30 September 2026. Ginlong Technologies is the manufacturer; Solis is the brand name on the box. Where a figure here contradicts what a quote says, the warranty document is the one quoted, because that is the document that governs a claim.
What a Solis inverter costs in the UK
Between £624.17 and £1,415.83 excluding VAT for a single phase hybrid, depending on size. These are the public list prices shown by Bimble Solar, a UK solar distributor, on 30 September 2026. An installer buying at trade rates pays less, so treat these as a ceiling rather than the line on your quote.
| Model | Price ex VAT |
|---|---|
| S6-EH1P3.6K-L-PLUS, 3.6 kW single phase hybrid | £624.17 |
| S6-EH1P5K-L-PLUS, 5 kW single phase hybrid | £624.17 |
| S6-EH1P6K-L-PLUS, 6 kW single phase hybrid | £745.83 |
| S6-EH1P8K-L-PLUS, 8 kW single phase hybrid | £1,082.50 |
| S6-EH1P10K-L-PLUS, 10 kW single phase hybrid | £1,415.83 |
| RHI-3P10K-HVES-5G, 10 kW three phase hybrid | £1,249.00 |
The 3.6 kW and the 5 kW carry the same price, which is worth pausing on. If your roof and your grid connection can take the 5 kW, taking the smaller unit at the same money buys you nothing. The 6 kW was out of stock when we checked, with the listing quoting an ETA for new orders, which is normal for Solis in the UK and a reason to ask your installer what is actually on the shelf rather than what is on the datasheet.
Put that against the other brands on this site and the gap is the whole story. A SolaX X1 Hybrid G4 5.0D listed at £859.60 on 29 September, so Solis undercuts it by about £235 on a like for like 5 kW hybrid. A Tesla Powerwall 3 bundles its inverter into a £5,975 package. Solis is not competing on brand or on app polish. It is competing on the number, and it wins on the number.
Those are trade prices excluding VAT because that is how distributor listings are written. On a supply and install job at a home you will not add it back: installing solar and storage in residential accommodation is zero rated until 31 March 2027 under HMRC VAT Notice 708/6, which states that "from 1 April 2027 onwards these will revert to the reduced rate of VAT of 5%". Buy the parts alone and you pay 20%, as set out on our 0% VAT guide. That difference flatters a DIY quote by about a fifth.
The warranty is five years, and the UK is outside the free extension
Five years for a grid tied or hybrid inverter, two years for an off grid inverter, two years for accessories. Appendix A of Ginlong's Solis Limited Warranty for the UK, version Solis-20250701-GL and in force from 1 July 2025, sets out a table headed "Standard Limited Warranty Conditional For UK Market Only":
| Product | Limited Warranty Period |
|---|---|
| Solis Grid-tied Inverter on Sale | 5 Years |
| Solis Energy Storage Inverter on Sale | 5 Years |
| Solis Off-grid Inverter on Sale | 2 Years |
| Accessories | 2 Years |
Five years is the floor rather than a scandal. The Energy Saving Trust's own solar advice treats five years as the minimum an inverter warranty should run, so Solis sits exactly on it while charging the least. What makes the UK position worth knowing is the comparison, not the number.
Ginlong's Europe warranty document, version Solis-20240314-EUROPE, gives the same five years to every 4G, 5G, S5 and S6 grid tied and hybrid inverter, and then adds this: "Until further notice from 1st July 2020 (Benelux region starts at 16th of March 2016), the following countries automatically receive a 10-year Warranty extension for grid tied inverters less or equal to 10kW in rating: Holland, Belgium, France, Germany, Poland, Italy". A Dutch or Polish household buying the identical unit gets ten years for nothing. A British one gets five.
The extra five years are a purchase, not an upgrade
You buy them in the SolisCloud app, by card, through Stripe. Ginlong's own service centre guide to extending a Solis warranty walks through it: open SolisCloud, choose "Service" then "Extended Warranty", agree to the statement, search for the inverter by plant name, serial number or email, "specify the duration of the extension", then "Checkout", then "select the STRIPE option and click Confirm Payment. Choose your currency, enter your card details". The Europe document names the options as 10, 15 or 20 years in total.
This is the mirror image of how the rest of the market does it, and the contrast is the single most useful thing on this page. SolaX gives you the second five years free if the inverter stays connected to its cloud and uploads generation data. Growatt goes the other way and cuts a battery warranty from ten years to three without monitoring. Enphase makes a 25 year microinverter warranty conditional on an internet connected gateway that is itself warranted for five. SolarEdge and Fox ESS both attach conditions of the same family.
Solis attaches none of them. There is no clause anywhere in the UK document requiring a cloud connection to keep the inverter warranty alive, which makes it the only brand of the seven we have read where pulling the dongle out costs you nothing. That is a real advantage for anyone who does not want their electricity meter talking to a server. It is also, in effect, what you are paying for when you buy the extension: Solis charges money for the years its competitors charge in data.
Two deadlines matter if you want them. The application "shall be received by Ginlong within the twelve (12) months of the Limited Warranty Commencement, and the application shall be submitted only once". Miss the twelve months, or use your one attempt badly, and the door closes. The extension also covers less than the original: its "service scope is limited to the replacement or repair of the Products' hardware".
When the clock actually starts
On the date of sale if you buy as an individual, otherwise on the earlier of commissioning or six months after the unit left the factory. The UK document splits the two cases explicitly, and the second one is the clearance stock trap that every brand in this sector writes into its terms. A unit that sat in a distributor's warehouse for a year arrives with six months already gone.
Six months is at least the gentler end of it. SolaX starts its clock nine months after production, and tightens that to a forced manufacture date calculation if you miss a 90 day registration window. Solis has no registration deadline of that kind in the UK document at all, which is one fewer way to lose cover by accident. Ask for the manufacture date on anything discounted, and read the serial number: Ginlong's storage documents explain that digits eight and nine give the production year and digit ten the month, with A, B and C standing for October, November and December.
Which Solis avoids a G99 application
The 3.6 kW models, and they are engineered to the line rather than near it. On Ginlong's GB technical brochure the S6-GR1P3.6K shows a rated grid output current of 16.0 A at 220 V and 15.7 A at 230 V, with a maximum output current of 16.0 A. That 16 A per phase is the EREC G98 threshold in Great Britain, so a 3.6 kW Solis can be connected and then notified to the distribution network operator afterwards. The mini range behaves the same way: the S6-GR1P3.6K-M also tops out at exactly 16 A.
Step up one size and the picture changes completely. The S6-GR1P4K has a maximum output current of 21.0 A, the 4.6K 23.8 A, the 5K 25.0 A and the 6K 27.3 A. All four need a G99 application, approved by the network operator before the system is connected rather than notified after. The same logic applies on the hybrid side, where the S6-EH1P3.6K-L-EU is rated 16.4 A at 220 V and 15.7 A at 230 V while the 4.6K draws 20.9 A.
In practice your installer handles this, and the practical deadline is theirs rather than yours. The 16 A figure is the G98 connect-and-notify threshold itself; network operators then set their own handling rules on top of it. UK Power Networks, to take one, asks installers to notify it "within 28 days" and says that where "the maximum export of your installation after any export limitation scheme is under 5kW we will automatically approve your application" through its Smart Connect installer portal. Those are two separate numbers doing two separate jobs: 16 A per phase decides which standard you are notified under, and UKPN’s 5 kW export figure decides how much human review its own portal applies. Our guide to G98 and G99 covers how the two routes differ and what changes in Northern Ireland, where NIE Networks runs the process instead. One warning worth repeating: do not confuse the AC output current figures above with the "max. input current" of 16 A on the same Solis datasheets, which is a DC panel side limit and has nothing to do with grid notification.
Check whether you are being quoted an S6 or the older generation
British distributors still sell the S5 and 5G ranges alongside the S6, and on backup power the difference is large. Solar Trade Sales was listing "Solis Energy Storage 3.6kW Hybrid 5G Inverter", "5kW Hybrid 5G" and "6kW Hybrid 5G" next to the S6 PLUS range on 30 September 2026. They are not the same product.
On the S6-EH1P range the backup output scales with the inverter, 3 kW through to 6 kW, holds an overload of 4.2 to 8 kVA for 60 seconds, and switches over in under 10 ms. On the older S5-EH1P the brochure datasheet shows a 10 second overload window and a switchover of under 20 ms. If keeping the lights on during a cut is part of why you are buying a hybrid, the generation on the quote matters more than the kW figure next to the brand name.
This is also where Solis quietly beats Growatt, whose 4,000 VA backup rating is identical across its 4, 4.6, 5 and 6 kW hybrids, so a bigger inverter buys no extra backup at all. On the S6 it does. Efficiency is competitive too, at a maximum of 97.7% on the S6-GR1P string range and 97.5% on the hybrids, which is ordinary rather than remarkable and will not be what decides your payback. Our guide to solar inverters covers the string, hybrid and microinverter choice itself.
Solis makes the inverter. Somebody else makes your battery
And if that somebody is not on Ginlong's approved list, you can lose the inverter cover too. Ginlong's service centre states it plainly: "Using an incompatible battery may void your warranty." The UK warranty's exclusions carry the same rule in legal form, ruling out any fault relating to "use in combination with software, equipment, and batteries not certified and listed on Ginlong's approved list for operation in the applicable territory with Ginlong's Energy Storage Inverter".
There is no single published list to check. Ginlong publishes a compatibility list per inverter model, downloadable from that model's own page, and says only that more manufacturers will be added over time. So this is a question for your installer with a documented answer: which list, which revision, and is the exact battery on the quote named on it.
The second half of this matters more than most buyers realise. Ginlong Energy Storage does publish a battery warranty, dated 11 December 2025 and valid for products made from 28 October 2025, and it says in its own opening notice that the products it covers "are intended solely for commercial use and not applicable to any consumer or household scenarios". In other words, a Solis home system is a Solis inverter plus a third party battery, and the battery's warranty comes from whoever made the battery. That is the opposite of the single throat to choke you get from Tesla or a SolaX inverter with a SolaX Triple Power stack, and it is worth pricing: two warranties from two companies is cheaper to buy and harder to claim on. Our guide to solar battery storage covers whether a battery earns its place at all before you get to whose badge is on it.
One inconsistency to note. Ginlong's brochure datasheets list the S6-EH1P hybrids as taking "Li-ion / Lead-acid" batteries at 42 to 58 V, while Bimble Solar's listings for the S6 PLUS models carry the warning "This is not suitable for use with Lead acid/Lead Carbon batteries". The variant on sale in Britain is not the variant in the general brochure. Take the stockist's product page over the brochure, and take the model specific compatibility list over both.
Who you would actually be claiming from
Ginlong Technologies Co., Ltd. in Ningbo, China. There is no active UK company behind the brand. The Companies House register, searched on 30 September 2026, shows Solis Inverters UK Ltd (company number 09747267) incorporated on 25 August 2015 and dissolved on 31 January 2017. A company registered as Ginlong UK Limited (08766176) in November 2013 gave that name up on 9 May 2016; it is still active at St Pegs Mill in Brighouse under the name SPM Management Limited, registered to non-specialised wholesale trade, so the Ginlong name has not been on a live British company for over a decade.
The warrantor named on the UK warranty document is Ginlong Technologies at No. 57 Jintong Road, Binhai Industrial Park, Xiangshan, Ningbo, with a UK service address of ukservice@solisinverters.com and a Liverpool telephone number. That is not unusual in this market: Growatt had two UK entities dissolved in 2019, and Enphase's UK company was dissolved in 2018 with a branch reopened only in August 2025. SolaX Power UK Limited, which has traded continuously since 2018, is the outlier rather than the norm.
What it means for you is practical rather than alarming. Your contract is with your installer, and the Consumer Rights Act 2015 gives you rights against the person who sold and fitted the system regardless of where the manufacturer is registered. That is the route to use. The warranty is the manufacturer's promise about the hardware; your installer is who you ring.
What a Solis warranty claim actually gets you
A part, and a bill from an electrician. The UK document excludes "access, labour or transport costs", "duties, import/export fees or costs and other general administrative costs" and consequential loss including lost revenue. Nothing in it covers the cost of getting someone up a ladder.
Three clauses are worth knowing before you make a claim. If the returned unit turns out not to be faulty, Ginlong "will charge the Warranty Holder for all costs incurred, including but not limited to labour, travel, and delivery to and from the Warranty Holder". If you receive a replacement and do not return the faulty unit within 30 days, you are charged full price for the new one. And a warranty transfer to a new owner is possible but not automatic: it needs Ginlong's written approval, Ginlong initiates it, and the transferred cover runs only for the remainder of the original period. If you sell the house in year four, the buyer inherits one year.
Also worth reading is the exclusion for movement: cover lapses if the product is moved after installation "unless the Products are reinstalled at the same location by a qualified installer" and stored correctly in between. A loft conversion that means relocating the inverter can end the warranty if the paperwork is not right.
So should Solis be on your quote
Yes, if you are buying on price and you are comfortable owning the warranty question yourself. Solis is the world's third largest inverter manufacturer by its own account, the kit is competitively efficient, and at £624 for a 5 kW hybrid nothing else on the British market is close. Against that, the standard cover is the sector minimum, the extension costs money on a twelve month deadline, and the battery beside it comes with somebody else's warranty.
The practical move is to ask three questions of any quote naming Solis. Which generation, S6 or the older 5G. Whether the price includes a warranty extension and to what total term, because a five year inverter in a system you expect to run twenty is a decision rather than an oversight. And which battery, and is it named on the compatibility list for that exact inverter model. Cheaper hardware with those three answered in writing is a good buy. Cheaper hardware with them unanswered is where the saving goes.
For where the inverter sits in the overall number, our guide to UK solar panel costs breaks a typical install down line by line, and choosing panels covers the other half of the hardware decision.
Get the inverter named on your quote
Ask MCS-certified installers covering your postcode for itemised quotes that name the inverter model, the warranty term included and the battery brand, line by line.
Frequently asked questions
Between £624.17 and £1,415.83 excluding VAT for a single phase hybrid. At Bimble Solar on 30 September 2026 the S6-EH1P3.6K-L-PLUS and the S6-EH1P5K-L-PLUS both listed at £624.17, the 6 kW at £745.83, the 8 kW at £1,082.50 and the 10 kW at £1,415.83, with the RHI-3P10K-HVES-5G three phase hybrid at £1,249.00. Those are public distributor list prices, so an installer buying at trade rates pays less. On a like for like 5 kW hybrid that is about £235 below the SolaX X1 Hybrid G4 5.0D.
Five years. Appendix A of Ginlong's Solis Limited Warranty for the UK, version Solis-20250701-GL and in force from 1 July 2025, is headed Standard Limited Warranty Conditional For UK Market Only and gives five years to a grid tied inverter and five to an energy storage inverter. An off grid inverter gets two years and accessories get two. There is no cloud or monitoring condition attached, which makes Solis the only brand of the seven reviewed on this site where keeping the warranty does not depend on keeping the inverter connected.
You can extend it to 10, 15 or 20 years in total, and no, it is not free in the UK. Ginlong's service centre guide walks through buying the extension inside the SolisCloud app under Service then Extended Warranty, ending with a Stripe checkout where you choose your currency and enter card details. The application must reach Ginlong within twelve months of the warranty commencing and can be submitted only once, and the extension covers only the replacement or repair of hardware. Six European countries get the same ten years automatically and for nothing, which is the point worth knowing.
Because Ginlong lists them by name and Britain is not on the list. The Europe warranty document, version Solis-20240314-EUROPE, states that until further notice from 1 July 2020, and from 16 March 2016 in the Benelux region, the following countries automatically receive a 10-year warranty extension for grid tied inverters of 10 kW or less in rating: Holland, Belgium, France, Germany, Poland and Italy. The UK appendix gives five years with no automatic extension. Nothing in either document explains the difference, and Ginlong notes the list is subject to change.
On the date of sale if you buy as an individual person, otherwise on the earlier of the commissioning date or six months after the unit was dispatched from the Ginlong factory. That second route is the clearance stock trap: a unit that sat in a warehouse for a year arrives with six months of its five years already spent. Six months is more generous than SolaX's nine, and Solis attaches no registration deadline in the UK document, so there is one fewer way to lose cover by accident. Ask for the manufacture date on anything sold at a discount.
The 3.6 kW models. Ginlong's GB technical brochure rates the S6-GR1P3.6K at a maximum output current of 16.0 A, which is exactly the EREC G98 threshold of 16 A per phase in Great Britain, so it can be connected and notified to the network operator afterwards. The S6-GR1P3.6K-M mini is the same. The 4K jumps to 21.0 A, the 4.6K to 23.8 A, the 5K to 25.0 A and the 6K to 27.3 A, all of which fall outside G98 and need a G99 application approved by the network operator before the system is connected. Do not confuse these with the max input current of 16 A on the same datasheets, which is a DC panel side limit.
Not one that comes with a household warranty. Ginlong Energy Storage publishes a battery warranty dated 11 December 2025, but its own opening notice states that the products it covers are intended solely for commercial use and not applicable to any consumer or household scenarios. A Solis home system is therefore a Solis inverter plus a third party battery, with the battery warranty coming from whoever made the battery. That is two warranties from two companies rather than one, which is cheaper to buy and harder to claim on than a single brand system.
Whichever ones are named on the compatibility list for your exact inverter model, and checking matters. Ginlong's service centre says directly that using an incompatible battery may void your warranty, and the UK warranty excludes any fault relating to use with batteries not certified and listed on Ginlong's approved list for the territory. There is no single master list: Ginlong publishes one per inverter model, downloadable from that model's own product page. Ask your installer to confirm in writing that the battery quoted appears on the current list for the inverter quoted.
On backup power, clearly yes, and British distributors still sell both side by side. On the S6-EH1P range the backup output scales with the inverter from 3 kW to 6 kW, holds an overload of 4.2 to 8 kVA for 60 seconds and switches over in under 10 ms. The older S5-EH1P brochure datasheet shows a 10 second overload window and a switchover of under 20 ms. Solar Trade Sales was listing 3.6 kW, 5 kW and 6 kW Hybrid 5G units alongside the S6 PLUS range on 30 September 2026, so ask which generation is on your quote.
No. Companies House, searched on 30 September 2026, shows Solis Inverters UK Ltd (09747267) incorporated in August 2015 and dissolved on 31 January 2017, and the company that was registered as Ginlong UK Limited (08766176) gave up that name on 9 May 2016. The warrantor named on the UK warranty is Ginlong Technologies Co., Ltd. in Ningbo, China, with a UK service email and a Liverpool telephone number. In practice this changes little: your contract is with your installer, and the Consumer Rights Act 2015 gives you rights against whoever sold and fitted the system.