---
title: "Fronius Verto 25.0 Plus vs PowMr SOLXPOW X4-25K - Inverter Comparison | ComparePV"
description: "Compare Fronius Verto 25.0 Plus vs PowMr SOLXPOW X4-25K side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/fronius-international-fronius-verto-25-0-plus/powmr-solxpow-x4-25k"
updated: 2026-01-19
---

# Fronius Verto 25.0 Plus vs PowMr SOLXPOW X4-25K

7 differences, and they point both ways

The largest is max efficiency: 0.6 pp more efficient. 4 of 11 comparable parameters are identical, with 21 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Verto 25.0 Plus](https://comparepv.com/inverter/fronius-international-fronius-verto-25-0-plus) | [PowMr SOLXPOW X4-25K](https://comparepv.com/inverter/powmr-solxpow-x4-25k) |
| Manufacturer | Fronius International | PowMr |
| Rated AC power | 25 kW | 25 kW |
| Type | Hybrid | Hybrid |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | Fronius Verto 25.0 Plus | SOLXPOW X4-25K | Difference |
| --- | --- | --- | --- |
| Max efficiency | 98.2 % | 98.8 % | +0.6 pp for SOLXPOW X4-25K |
| Max PV power | 33.25 kW | 37.50 kW | 4.25 kW apart |
| Weight | 43.0 kg | 72.0 kg | -29.0 kg for Fronius Verto 25.0 Plus |
| Weight per kW | 1.7 kg/kW | 2.9 kg/kW | -1.2 kg/kW for Fronius Verto 25.0 Plus |
| DC/AC ratio | 1.33 | 1.50 | +0.17 for SOLXPOW X4-25K |
| Max AC current | 37.9 A | 42.0 A | 4.1 A apart |
| Dimensions | 865x574x279 mm | 620x800x300 mm | 865x574x279 mm vs 620x800x300 mm |


## Every compared parameter


| Parameter | Fronius Verto 25.0 Plus | SOLXPOW X4-25K |
| --- | --- | --- |
| Rated AC power | 25.00 kW | 25.00 kW |
| Max AC power | 25.00 kW | 25.00 kW |
| Grid connection | 3-phase | - |
| Nominal AC voltage | 400 V | - |
| Max AC current | 37.9 A | 42.0 A |
| Max PV power | 33.25 kW | 37.50 kW |
| DC/AC ratio | 1.33 | 1.50 |
| Max DC voltage | 1000 V | - |
| MPPT voltage range | 150-870 V | - |
| Start voltage | 150 V | - |
| MPP trackers | 3 | - |
| Strings per tracker | 2 | - |
| Max input current per tracker | 28.0 A | - |
| European efficiency | 97.7 % | - |
| Max efficiency | 98.2 % | 98.8 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 150-700 | - |
| Max charge current | 50 A | - |
| Backup power | - | - |
| Weight | 43.0 kg | 72.0 kg |
| Weight per kW | 1.7 kg/kW | 2.9 kg/kW |
| Dimensions | 865x574x279 mm | 620x800x300 mm |
| Ingress protection | IP66 | - |
| Cooling | forced-air | - |
| Noise | 57 dB | - |
| Max operating temperature | 60 °C | - |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | - |
| Arc fault protection | Yes | - |
| Integrated DC switch | Yes | - |
| Warranty | - | - |


## Related comparisons

- [Fronius Verto 25.0 Plus vs Huawei SUN5000-25K-MB0](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-25-0-plus/huawei-sun5000-25k-mb0) - 16 differences, the largest is max dc voltage
- [Fronius Verto 25.0 Plus vs Huawei SUN2000-25K-MB0](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-25-0-plus/huawei-sun2000-25k-mb0) - 16 differences, the largest is max dc voltage
- [Fronius Verto 25.0 Plus vs Sungrow SH25T](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-25-0-plus/sungrow-sh25t) - 9 differences, the largest is max input current per tracker


---

Source: https://comparepv.com/compare-inverters/fronius-international-fronius-verto-25-0-plus/powmr-solxpow-x4-25k

Not in this file, on the page: a written summary generated on request.