Solar inverters · UK

SolaX X1-MINI-1.5K-G4

Q: What is the AC power of the SolaX X1-MINI-1.5K-G4?

The AC power of the SolaX X1-MINI-1.5K-G4 is 1.5 kW.

Q: How many MPP trackers does the SolaX X1-MINI-1.5K-G4 have?

The SolaX X1-MINI-1.5K-G4 has 1 MPP tracker.

Q: What is the European efficiency of the SolaX X1-MINI-1.5K-G4?

The European efficiency of the SolaX X1-MINI-1.5K-G4 is 97 %.

Q: What is the max. PV array power of the SolaX X1-MINI-1.5K-G4?

The max. PV array power of the SolaX X1-MINI-1.5K-G4 is 3 kWp.

Image: SolaXrequest removal

The SolaX X1-MINI-1.5K-G4 is a solar inverter with AC power 1.5 kW, 1 MPP tracker and European efficiency 97 %.^1,2

Last updated: 17 October 2026Technical specifications ⇄ Compare this model

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AC power: 1.5kW¹
MPP trackers: 1²
Manufacturer data
European efficiency: 97%²
Manufacturer data
Max. PV array power: 3kWp²
Manufacturer data
Hybrid (battery-ready): No¹
Official source

Technical specifications

Performance
AC power	1.5 kW¹
Max. PV array power	3 kWp²
MPP trackers	1²
Strings per MPPT	1²
Efficiency
Max. efficiency	98 %²
European efficiency	97 %²
Electrical
MPPT voltage min.	40 V²
MPPT voltage max.	550 V²
Max. input current per MPPT	16 A²
Phases	1¹
Connectivity & smart
Hybrid (battery-ready)	No¹
Dimensions & weight
IP rating	IP66²
Width	290 mm²
Height	206 mm²
Depth	120 mm²
Weight	5.2 kg²

How it ranks

European efficiency: better than 69% of comparable models in our database (Solar inverters · < 3 kW; n = 26).

Rank 2 of 27

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

Manufacturer documentation

Product page (solaxpower.com)
Datasheet / specifications — X1-MINI G4 – V1.7 (solaxpower.com, PDF)

External links to SolaX's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

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Frequently asked questions

What is the AC power of the SolaX X1-MINI-1.5K-G4?

The AC power of the SolaX X1-MINI-1.5K-G4 is 1.5 kW.^1,2

How many MPP trackers does the SolaX X1-MINI-1.5K-G4 have?

The SolaX X1-MINI-1.5K-G4 has 1 MPP tracker.^1,2

What is the European efficiency of the SolaX X1-MINI-1.5K-G4?

The European efficiency of the SolaX X1-MINI-1.5K-G4 is 97 %.^1,2

What is the max. PV array power of the SolaX X1-MINI-1.5K-G4?

The max. PV array power of the SolaX X1-MINI-1.5K-G4 is 3 kWp.^1,2

Sources

ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
X1-MINI G4, V1.7 — SolaX · accessed 17 Oct 2026

Key figures