---
title: "Deye SUN-3K-G vs Solis-3P3K-4G - Inverter Comparison | ComparePV"
description: "Compare Deye SUN-3K-G vs Solis-3P3K-4G side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/deye-sun-3k-g/ginlong-solis-solis-3p3k-4g"
updated: 2026-01-17
---

# Deye SUN-3K-G vs Solis-3P3K-4G

13 differences, and they point both ways

The largest is european efficiency: 0.5 pp more efficient. 7 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 | [Deye SUN-3K-G](https://comparepv.com/inverter/deye-sun-3k-g) | [Solis-3P3K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p3k-4g) |
| Manufacturer | Deye | Ginlong Solis |
| 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 | SUN-3K-G | Solis-3P3K-4G | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.3 % | 97.8 % | +0.5 pp for Solis-3P3K-4G |
| Max DC voltage | 550 V | 1000 V | 450 V apart |
| Max efficiency | 97.5 % | 98.3 % | +0.8 pp for Solis-3P3K-4G |
| Weight | 6.0 kg | 17.3 kg | -11.3 kg for SUN-3K-G |
| Weight per kW | 2.0 kg/kW | 5.8 kg/kW | -3.8 kg/kW for SUN-3K-G |
| Grid connection | Single-phase | 3-phase | Single-phase vs 3-phase |
| Nominal AC voltage | 230 V | 400 V | 170 V apart |
| Max AC current | 14.0 A | 4.7 A | 9.3 A apart |
| Start voltage | 80 V | 180 V | -100 V for SUN-3K-G |
| MPP trackers | 1 | 2 | +1 trackers for Solis-3P3K-4G |
| Max operating temperature | 65 °C | 60 °C | +5 °C for SUN-3K-G |
| MPPT voltage range | 70-550 V | 160-850 V | 70-550 V vs 160-850 V |
| Dimensions | 310x330x115 mm | 563x310x219 mm | 310x330x115 mm vs 563x310x219 mm |


## Every compared parameter


| Parameter | SUN-3K-G | Solis-3P3K-4G |
| --- | --- | --- |
| Rated AC power | 3.00 kW | 3.00 kW |
| Max AC power | 3.30 kW | 3.30 kW |
| Grid connection | Single-phase | 3-phase |
| Nominal AC voltage | 230 V | 400 V |
| Max AC current | 14.0 A | 4.7 A |
| Max PV power | 3.60 kW | 3.60 kW |
| DC/AC ratio | 1.20 | 1.20 |
| Max DC voltage | 550 V | 1000 V |
| MPPT voltage range | 70-550 V | 160-850 V |
| Start voltage | 80 V | 180 V |
| MPP trackers | 1 | 2 |
| Strings per tracker | 1 | - |
| Max input current per tracker | 12.5 A | - |
| European efficiency | 97.3 % | 97.8 % |
| Max efficiency | 97.5 % | 98.3 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 6.0 kg | 17.3 kg |
| Weight per kW | 2.0 kg/kW | 5.8 kg/kW |
| Dimensions | 310x330x115 mm | 563x310x219 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | natural | - |
| Noise | 25 dB | - |
| Max operating temperature | 65 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | - |
| Arc fault protection | - | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Deye SUN-3K-G vs SolarEdge SE3000H (HD‑Wave, single phase)](https://comparepv.com/compare-inverters/deye-sun-3k-g/solaredge-solaredge-se3000h-hd-wave-single-phase) - 10 differences, the largest is european efficiency
- [Deye SUN-3K-G vs Ginlong Solis S6-GR3P-3K02-NV-ND](https://comparepv.com/compare-inverters/deye-sun-3k-g/ginlong-solis-s6-gr3p-3k02-nv-nd) - 18 differences, the largest is max dc voltage
- [Deye SUN-3K-G vs Growatt MOD 3000TL3-X](https://comparepv.com/compare-inverters/deye-sun-3k-g/growatt-mod-3000tl3-x) - 18 differences, the largest is max dc voltage
- [Solis-3P3K-4G vs Growatt MOD 3000TL3-X2 (Pro)](https://comparepv.com/compare-inverters/ginlong-solis-solis-3p3k-4g/growatt-mod-3000tl3-x2-pro) - 10 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/deye-sun-3k-g/ginlong-solis-solis-3p3k-4g

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