---
title: "Fronius Verto 33.3 Plus vs Ginlong Solis S6-EH3P35K-H-LV(21A) - Inverter Comparison | ComparePV"
description: "Compare Fronius Verto 33.3 Plus vs Ginlong Solis S6-EH3P35K-H-LV(21A) 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-33-3-plus/ginlong-solis-s6-eh3p35k-h-lv-21a"
updated: 2026-01-17
---

# Fronius Verto 33.3 Plus vs Ginlong Solis S6-EH3P35K-H-LV(21A)

Fronius Verto 33.3 Plus leads on the differences that matter

The largest is rated ac power: 1.70 kW apart. 9 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Verto 33.3 Plus](https://comparepv.com/inverter/fronius-international-fronius-verto-33-3-plus) | [Ginlong Solis S6-EH3P35K-H-LV(21A)](https://comparepv.com/inverter/ginlong-solis-s6-eh3p35k-h-lv-21a) |
| Manufacturer | Fronius International | Ginlong Solis |
| Rated AC power | 33.3 kW | 35 kW |
| Type | Hybrid | Hybrid |


## Where they differ

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


| Parameter | Fronius Verto 33.3 Plus | S6-EH3P35K-H-LV(21A) | Difference |
| --- | --- | --- | --- |
| Rated AC power | 33.30 kW | 35.00 kW | 1.70 kW apart |
| European efficiency | 98.0 % | 95.5 % | +2.5 pp for Fronius Verto 33.3 Plus |
| Max input current per tracker | 28.0 A | 42.0 A | +14.0 A for S6-EH3P35K-H-LV(21A) |
| Max efficiency | 98.2 % | 96.3 % | +1.9 pp for Fronius Verto 33.3 Plus |
| Max AC power | 33.30 kW | 35.00 kW | 1.70 kW apart |
| Max PV power | 39.00 kW | 70.00 kW | 31.00 kW apart |
| DC/AC ratio | 1.17 | 2.00 | +0.83 for S6-EH3P35K-H-LV(21A) |
| Max charge current | 50 A | 160 A | +110 A for S6-EH3P35K-H-LV(21A) |
| Weight | 43.0 kg | 76.0 kg | -33.0 kg for Fronius Verto 33.3 Plus |
| Weight per kW | 1.3 kg/kW | 2.2 kg/kW | -0.9 kg/kW for Fronius Verto 33.3 Plus |
| Nominal AC voltage | 400 V | 230 V | 170 V apart |
| Max AC current | 50.5 A | 152.0 A | 101.5 A apart |
| Start voltage | 150 V | 180 V | -30 V for Fronius Verto 33.3 Plus |
| MPPT voltage range | 150-870 V | 150-850 V | 150-870 V vs 150-850 V |
| Battery voltage | 150-700 | 150 - 800 V | 150-700 vs 150 - 800 V |
| Dimensions | 865x574x279 mm | 880x530x290 mm | 865x574x279 mm vs 880x530x290 mm |


## Every compared parameter


| Parameter | Fronius Verto 33.3 Plus | S6-EH3P35K-H-LV(21A) |
| --- | --- | --- |
| Rated AC power | 33.30 kW | 35.00 kW |
| Max AC power | 33.30 kW | 35.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 230 V |
| Max AC current | 50.5 A | 152.0 A |
| Max PV power | 39.00 kW | 70.00 kW |
| DC/AC ratio | 1.17 | 2.00 |
| Max DC voltage | 1000 V | 1000 V |
| MPPT voltage range | 150-870 V | 150-850 V |
| Start voltage | 150 V | 180 V |
| MPP trackers | 3 | 3 |
| Strings per tracker | 2 | 2 |
| Max input current per tracker | 28.0 A | 42.0 A |
| European efficiency | 98.0 % | 95.5 % |
| Max efficiency | 98.2 % | 96.3 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 150-700 | 150 - 800 V |
| Max charge current | 50 A | 160 A |
| Backup power | - | 35.0 kW |
| Weight | 43.0 kg | 76.0 kg |
| Weight per kW | 1.3 kg/kW | 2.2 kg/kW |
| Dimensions | 865x574x279 mm | 880x530x290 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | forced-air | forced-air |
| Noise | 57 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | - |
| Ethernet | Yes | - |
| Arc fault protection | Yes | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Fronius Verto 33.3 Plus vs Growatt MID 33K-HU](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-33-3-plus/growatt-mid-33k-hu) - 14 differences, the largest is rated ac power
- [Fronius Verto 33.3 Plus vs Deye SUN-35K-SG01HP3-EU-BM3](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-33-3-plus/deye-sun-35k-sg01hp3-eu-bm3) - 17 differences, the largest is rated ac power
- [Fronius Verto 33.3 Plus vs Growatt WT 35K-H-US L2 / WT 35K-HU-US L2](https://comparepv.com/compare-inverters/fronius-international-fronius-verto-33-3-plus/growatt-wt-35k-h-us-l2-wt-35k-hu-us-l2) - 15 differences, the largest is rated ac power
- [Ginlong Solis S6-EH3P35K-H-LV(21A) vs Growatt WIT 35K-A-US L2 / WIT 35K-AU-US L2](https://comparepv.com/compare-inverters/ginlong-solis-s6-eh3p35k-h-lv-21a/growatt-wit-35k-a-us-l2-wit-35k-au-us-l2) - 8 differences, the largest is max efficiency
- [Ginlong Solis S6-EH3P35K-H-LV(21A) vs Growatt MID 36K-HU](https://comparepv.com/compare-inverters/ginlong-solis-s6-eh3p35k-h-lv-21a/growatt-mid-36k-hu) - 16 differences, the largest is rated ac power


---

Source: https://comparepv.com/compare-inverters/fronius-international-fronius-verto-33-3-plus/ginlong-solis-s6-eh3p35k-h-lv-21a

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