---
title: "Solis-3P3K-4G vs Sungrow SG3.0RS-L - Inverter Comparison | ComparePV"
description: "Compare Solis-3P3K-4G vs Sungrow SG3.0RS-L side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/ginlong-solis-solis-3p3k-4g/sungrow-sg3-0rs-l"
updated: 2026-01-17
---

# Solis-3P3K-4G vs Sungrow SG3.0RS-L

15 differences, and they point both ways

The largest is european efficiency: 0.5 pp more efficient. 5 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Solis-3P3K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p3k-4g) | [Sungrow SG3.0RS-L](https://comparepv.com/inverter/sungrow-sg3-0rs-l) |
| Manufacturer | Ginlong Solis | Sungrow |
| Rated AC power | 3 kW | 3 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | Solis-3P3K-4G | SG3.0RS-L | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.8 % | 97.3 % | +0.5 pp for Solis-3P3K-4G |
| Max DC voltage | 1000 V | 600 V | 400 V apart |
| Max AC power | 3.30 kW | 3.00 kW | 0.30 kW apart |
| Max PV power | 3.60 kW | 4.50 kW | 0.90 kW apart |
| DC/AC ratio | 1.20 | 1.50 | +0.30 for SG3.0RS-L |
| Weight | 17.3 kg | 6.0 kg | -11.3 kg for SG3.0RS-L |
| Weight per kW | 5.8 kg/kW | 2.0 kg/kW | -3.8 kg/kW for SG3.0RS-L |
| Max efficiency | 98.3 % | 97.8 % | +0.5 pp for Solis-3P3K-4G |
| Grid connection | 3-phase | Single-phase | 3-phase vs Single-phase |
| Nominal AC voltage | 400 V | 230 V | 170 V apart |
| Max AC current | 4.7 A | 13.7 A | 9.0 A apart |
| Start voltage | 180 V | 50 V | -130 V for SG3.0RS-L |
| MPP trackers | 2 | 1 | +1 trackers for Solis-3P3K-4G |
| MPPT voltage range | 160-850 V | 40-560 V | 160-850 V vs 40-560 V |
| Dimensions | 563x310x219 mm | 263x360x126 mm | 563x310x219 mm vs 263x360x126 mm |


## Every compared parameter


| Parameter | Solis-3P3K-4G | SG3.0RS-L |
| --- | --- | --- |
| Rated AC power | 3.00 kW | 3.00 kW |
| Max AC power | 3.30 kW | 3.00 kW |
| Grid connection | 3-phase | Single-phase |
| Nominal AC voltage | 400 V | 230 V |
| Max AC current | 4.7 A | 13.7 A |
| Max PV power | 3.60 kW | 4.50 kW |
| DC/AC ratio | 1.20 | 1.50 |
| Max DC voltage | 1000 V | 600 V |
| MPPT voltage range | 160-850 V | 40-560 V |
| Start voltage | 180 V | 50 V |
| MPP trackers | 2 | 1 |
| Strings per tracker | - | 1 |
| Max input current per tracker | - | 16.0 A |
| European efficiency | 97.8 % | 97.3 % |
| Max efficiency | 98.3 % | 97.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 17.3 kg | 6.0 kg |
| Weight per kW | 5.8 kg/kW | 2.0 kg/kW |
| Dimensions | 563x310x219 mm | 263x360x126 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | - | natural |
| Noise | - | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | - | - |
| Arc fault protection | Yes | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Solis-3P3K-4G vs SolarEdge SE3000H (HD‑Wave, single phase)](https://comparepv.com/compare-inverters/ginlong-solis-solis-3p3k-4g/solaredge-solaredge-se3000h-hd-wave-single-phase) - 12 differences, the largest is european efficiency
- [Solis-3P3K-4G vs Ginlong Solis S6-GR3P-3K02-NV-ND](https://comparepv.com/compare-inverters/ginlong-solis-solis-3p3k-4g/ginlong-solis-s6-gr3p-3k02-nv-nd) - 10 differences, the largest is max dc voltage
- [Solis-3P3K-4G vs Growatt MOD 3000TL3-X](https://comparepv.com/compare-inverters/ginlong-solis-solis-3p3k-4g/growatt-mod-3000tl3-x) - 11 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/ginlong-solis-solis-3p3k-4g/sungrow-sg3-0rs-l

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