SolaX X1 Mini G4 2.5kW Single Phase String Inverter

£265.03

The SolaX X1 Mini G4 2.5kW inverter suits mid-sized solar arrays, offering great flexibility with up to 200% DC oversizing and wide MPPT tracking.

  • 2.5kW AC output with 98.3% peak efficiency
  • Supports wide PV input range (40–530V)
  • Silent operation with natural cooling & IP66 protection

Why we recommend this product: It’s a versatile, low-maintenance inverter for efficient energy use on UK rooftops.

SKU: X1-MINI-2.5K-G4
Free and easy returns | Easy to Install | Professional Installers Available
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SolaX X1 Mini G4 2.5kW: Flexible Inverter for Efficient Solar Use

The SolaX X1 Mini G4 2.5kW inverter is ideal for homeowners looking to maximise energy from mid-sized solar PV systems. With a compact, weatherproof design and high efficiency, it fits easily into both new and retrofit installations.

Smart Design for Reliable Solar Conversion

This model supports a maximum 2.5kW AC output and accepts up to 5kW DC input, allowing for flexible system design and better returns from oversizing. The wide MPPT range (40–530V) helps you generate more energy across the day, especially in varying UK light conditions.

  • Up to 98.3% peak efficiency
  • Natural convection cooling, no fan noise
  • Integrated protection: anti-islanding, AFCI (optional)

Easy Monitoring and Installation

WiFi or LAN connectivity (via dongle) allows for easy tracking of system performance via the SolaX Cloud app or web dashboard. Compact and wall-mountable, it’s quick for installers to fit with minimal setup time.

Why Evergy Recommend This Product

  • Well suited for typical UK domestic rooftops
  • Handles higher PV loads with no compromise
  • Built to last in tough weather, IP66 certified

Explore More Options

This sits neatly between the 1.5kW model and the 3.3kW model for homes needing flexibility in sizing. Learn more on the official SolaX X1 Mini G4 page.

Technical Specifications

  • AC Output: 2.5kW
  • Max Efficiency: 98.3%
  • MPPT Range: 40–530V

For more technical details, please see the data sheet or specification tab.

Delivery

This product qualifies for free UK delivery. Bulk or trade orders may require pallet shipping — see the delivery tab for more.

Attribute nameAttribute value
FeaturesSupports external rapid shutdown, optimised monitoring, compatible with AC-coupled battery systems
IP RatingIP66
Rated Power2500W
Max Input Voltage550V
MPPT Quantity1
DC Start-up Voltage50V
Efficiency98%
SOLAX

Established in 2012, SolaX is an internationally renowned provider of photovoltaic energy storage systems. They offer energy storage inverters, batteries, and grid-connected solutions to customers worldwide. SolaX ranks among the top three globally in market share for household photovoltaic energy storage systems.

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Free delivery - 

NEXT DAY Delivery to Oxfordshire, Buckinghamshire and London via an EVERGY vehicle. Max of 1 ton weight.

 

Other delivery options via courier - 

FREE NEXT DAY (*orders over £50, some batteries and inverters will require an additional fee) via FEDEX. Monday to Friday, up to 30kg, Max box size 50cm x 50cm x 50cm (volume). Orders must be received by 2pm.

Anytime NEXT DAY delivery – under £50 = £6.50 (depending on location, weight and size)

 

Regardless of spend, additional to any of the above charges – 

Before noon (FedEx Priority Express) = Guide Price £15.00 (calulated at checkout)

Before 10am (FedEx First) = Guide Price £20.00 (calulated at checkout)

 

Delivery of pallets - 

Palletised deliveries – Prices starting at £58

Multiple pallet orders can be quoted upon request (price dependent on number of pallets and postcode area)


Special delivery items may vary (non-stock products).

SAME DAY COLLECTION - Click & collect from Evergy Stores (Thame, Oxfordshire).

SolaX X1 Mini G4 2.5kW Single Phase String Inverter

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