Solax X1‑BOOST‑G4 – Single‑Phase Solar Inverter (5 kW, Dual MPPT)
Solax X1‑BOOST‑G4 – Single‑Phase Solar Inverter (5 kW, Dual MPPT) additional 1Solax X1‑BOOST‑G4 – Single‑Phase Solar Inverter (5 kW, Dual MPPT) additional 2
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£499.99 ex VAT£599.99 inc VAT

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Product features

  • · 5 Year Warranty
  • · Remote Upgrade & Maintenance
  • · 150% Oversizing & 110% Overloading
  • · Max. DC Input 14A Per String
  • · AC/DC Built-in SPD
  • · CT/Meter Compatibility
  • · Easy to Install & Setup
  • · IP65 Rated
Product code: X1-BOOST 5.0T
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Description

Smart, flexible, and powerful—the Solax X1‑BOOST ‑G4 redefines residential solar intelligence. Engineered for enhanced energy capture, seamless smart home integration, and uncompromised safety, it's the next-gen inverter for forward-thinking households.


Key Benefits:

  • Dual MPPT for Optimal Output
    Harness both roof orientations with dual maximum power point trackers. The 40–560 V MPPT range and 16 A per channel ensure peak efficiency even under varying sunlight conditions.
     

  • Supports Oversized PV Arrays
    With 200% PV oversizing capability, you can install more panels (up to 10 kWp for the 5 kW variant) without sacrificing performance.
     

  • Smart Load Management & Parallel Capability
    Efficiently manages dynamic household loads like EV chargers or heat pumps. Plus, run up to five inverters in parallel without extra controllers for flexible future scaling.
     

  • Robust Efficiency & Performance Control
    Delivers up to 98% peak efficiency, low startup threshold at 50 V, integrated export controls, and I–V curve diagnostics to ensure maximum yield.
     

  • Built-In Safety Features
    Includes Type II surge protection (AC/DC), optional AFCI for arc fault detection, Rapid Shutdown readiness, plus RCD-level safety through export control.
     

  • Smart Connectivity & Monitoring
    Connect via Wi‑Fi or app for fast commissioning, real-time updates (data refresh every 10 seconds), and cloud monitoring through Solax Cloud.
     

  • Weatherproof Design & Compact Build
    Rated IP66 for full outdoor resilience, this compact unit (404 × 274 × 146 mm, ~11 kg) is ideal for both indoor and external installations.
     

  • Longevity You Can Trust
    Comes with a 10-year warranty, underlining Solax’s commitment to reliable performance and long-term support.
     


Technical Snapshot (5 kW Model):

FeatureSpecification
MPPT Trackers2 track multiple arrays; 40–560 V, 16 A each
PV Array LimitUp to 10 kWp
EfficiencyUp to 98%
Start-Up Voltage50 V
Protection RatingIP66 (weatherproof)
Size & Weight404 × 274 × 146 mm; ~11 kg
Smart FeaturesExport control, I–V diagnostics, Solax Cloud, App control
Safety ElementsAC/DC SPD, Rapid Shutdown ready, Optional AFCI
Warranty10 years

Code: X1-BOOST 5.0T

DELIVERY INFORMATION

Fast, reliable UK delivery

  • FREE UK delivery (2–3 working days) on orders over £99 exVAT (order before 4pm)*.
  • Orders under £99 exVAT are charged £6 inc VAT (£5 exVAT).
  • Need it quickly? Choose from our Next Working Day & Saturday delivery options below (order before 2pm).

Delivery options & rates

Delivery OptionDelivery TimeCost
Standard Delivery2-3 working days£6.00 (£5.00 exVAT)
FREE Standard Delivery (orders over £99 exVAT)*2-3 working daysFREE
Next Working Day Delivery (order before 2pm)Next working day£9.99 (£8.33 exVAT)*
Next Working Day by 12pm  (order before 2pm)Next working day£20.00 (£16.67 exVAT)
Next Working Day by 10:30am  (order before 2pm)Next working day£21.60 (£18.00 exVAT)
Saturday Delivery  (order before 2pm Friday)    Next working day£20.00 (£16.67 exVAT)
Northern Ireland, Highland  & Islands Delivery  3-5 working days£9.99 (£8.33 exVAT)

Important: Orders placed after 2pm on Friday (or over the weekend) are processed on Monday for next working day delivery. Next Day & Saturday Delivery options NOT available on all products.

*FREE Standard & Next day delivery available on select products and will be clearly shown on the product page.


What to expect

  • We dispatch Monday - Friday (excluding public holidays).
  • Once dispatched, you’ll receive tracking information (where available).
  • If delivery is delayed for any reason, we’ll contact you as soon as possible with an updated estimate.

Please note: we cannot be held responsible for missed deliveries. Customers are advised to check their spam or junk folder to ensure tracking information and estimated delivery details are received.


Specialist product delivery

Some products require specialist handling:

  • For Portable power please allow up to 4 working days for delivery.
  • Solar panels are shipped via our £100 pallet delivery service.
  • In some cases a third-party supplier may fulfil your order directly.

Delivery areas & restrictions

  • Northern Ireland, Scottish Highlands & Channel Islands: please contact us for shipping rates.
  • Portable power to Northern Ireland: we can’t currently ship these items due to insurance issues with the courier.
  • International delivery: unfortunately we do not currently offer international shipping.

Questions, problems, or returns?

RETURN POLICY

Last updated May 23, 2024

Thank you for your purchase, we hope you are happy with it.

However, if you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund, store credit, or an exchange; please see below for more information on our returns policy.

RETURNS

If you find you have received the wrong or damaged item(s), you need to contact us within 7 days of receipt of goods. Any time after this you are responsible for returning the goods at your own cost following the standard returns process.

All returns must be postmarked and in writing within fourteen (14) days of the purchase date. All returned items must be in a new, unopened and unused condition, with all original tags and labels attached.


RETURN PROCESS

To return an item, please click the ‘Download Returns Form’ below and complete all data fields. You can then email this to our team once completed.
Place your item(s) securely in its original packaging along with the returns form.
Please note that the RMA# on the returns address is your original order number; please ensure to reference this on the returns address, as per below.
You are now ready to mail your return to the following address:

Attn: Returns
RMA #/Order No -
Eco WizardUnderfloor Wizard Ltd t/a ECO Wizard
Beechfield House
Winterton Way
Macclesfield
Cheshire
SK11 0LP
United Kingdom

We ask that all customers when returning products send the goods via a trackable courier service. Underfloor Wizard Ltd t/a ECO Wizard will not be held responsible for goods which do not arrive at our premises.

Please note, you will be responsible for all return shipping charges, unless in the instance of damaged/faulty goods received in which case we can issue you with a returns label to cover the cost of postage.

Download Returns Form

REFUNDS

After receiving your return and inspecting the condition of your item, we will process your return or exchange. Please allow at least seven (7) days from the receipt of your item to process your return or exchange. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your return has been processed.

Faults on installed products: 

If a product that has been installed develops a fault, please contact us, do not uninstall the product yourself. We will arrange for an engineer or technical support from the brand to assist with diagnosing the fault. Once the fault has been confirmed we can then arrange for the necessary next steps to occur.


EXCEPTIONS

The following items cannot be returned or exchanged:

  • opened box, damaged, missing or incomplete items cannot be returned.
  • items that have been installed.


QUESTIONS
If you have any questions concerning our return policy, please contact us at: returns@ecowizard.co.uk

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