---
title: "Solis-3P6K-4G vs SOFAR 6.6KTLX-G3 - Inverter Comparison | ComparePV"
description: "Compare Solis-3P6K-4G vs SOFAR 6.6KTLX-G3 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/ginlong-solis-solis-3p6k-4g/sofar-solar-sofar-6-6ktlx-g3"
updated: 2026-01-17
---

# Solis-3P6K-4G vs SOFAR 6.6KTLX-G3

7 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 11 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Solis-3P6K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p6k-4g) | [SOFAR 6.6KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-6-6ktlx-g3) |
| Manufacturer | Ginlong Solis | Sofar Solar |
| Rated AC power | 6 kW | 6 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | Solis-3P6K-4G | SOFAR 6.6KTLX-G3 | Difference |
| --- | --- | --- | --- |
| Max DC voltage | 1000 V | 1100 V | 100 V apart |
| European efficiency | 97.8 % | 97.5 % | +0.3 pp for Solis-3P6K-4G |
| Weight | 18.0 kg | 17.0 kg | -1.0 kg for SOFAR 6.6KTLX-G3 |
| MPPT voltage range | 160-850 V | 140-1000 V | 160-850 V vs 140-1000 V |
| Start voltage | 180 V | 160 V | -20 V for SOFAR 6.6KTLX-G3 |
| Max AC current | 9.5 A | 10.0 A | 0.5 A apart |
| Dimensions | 563x310x219 mm | 385x430x182 mm | 563x310x219 mm vs 385x430x182 mm |


## Every compared parameter


| Parameter | Solis-3P6K-4G | SOFAR 6.6KTLX-G3 |
| --- | --- | --- |
| Rated AC power | 6.00 kW | 6.00 kW |
| Max AC power | 6.60 kW | 6.60 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 400 V |
| Max AC current | 9.5 A | 10.0 A |
| Max PV power | 7.20 kW | - |
| DC/AC ratio | 1.20 | - |
| Max DC voltage | 1000 V | 1100 V |
| MPPT voltage range | 160-850 V | 140-1000 V |
| Start voltage | 180 V | 160 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | - | - |
| Max input current per tracker | - | 15.0 A |
| European efficiency | 97.8 % | 97.5 % |
| Max efficiency | 98.3 % | 98.4 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 18.0 kg | 17.0 kg |
| Weight per kW | 3.0 kg/kW | 2.8 kg/kW |
| Dimensions | 563x310x219 mm | 385x430x182 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 | - | - |


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Source: https://comparepv.com/compare-inverters/ginlong-solis-solis-3p6k-4g/sofar-solar-sofar-6-6ktlx-g3

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