--- title: "Ginlong Solis S6-GR1P4K-S vs Solis-3P4K-4G - Inverter Comparison | ComparePV" description: "Compare Ginlong Solis S6-GR1P4K-S vs Solis-3P4K-4G side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification." source: "https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p4k-s/ginlong-solis-solis-3p4k-4g" updated: 2026-01-17 --- # Ginlong Solis S6-GR1P4K-S vs Solis-3P4K-4G 15 differences, and they point both ways The largest is european efficiency: 0.7 pp more efficient. 4 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them. ## The two inverters | Attribute | A | B | | --- | --- | --- | | Inverter | [Ginlong Solis S6-GR1P4K-S](https://comparepv.com/inverter/ginlong-solis-s6-gr1p4k-s) | [Solis-3P4K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p4k-4g) | | Manufacturer | Ginlong Solis | Ginlong Solis | | Rated AC power | 4 kW | 4 kW | | Type | Grid-tie | Grid-tie | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | S6-GR1P4K-S | Solis-3P4K-4G | Difference | | --- | --- | --- | --- | | European efficiency | 97.1 % | 97.8 % | +0.7 pp for Solis-3P4K-4G | | Max DC voltage | 550 V | 1000 V | 450 V apart | | Max efficiency | 97.7 % | 98.3 % | +0.6 pp for Solis-3P4K-4G | | Max AC power | 4.00 kW | 4.40 kW | 0.40 kW apart | | Max PV power | 6.00 kW | 4.80 kW | 1.20 kW apart | | DC/AC ratio | 1.50 | 1.20 | +0.30 for S6-GR1P4K-S | | Weight | 9.0 kg | 17.3 kg | -8.3 kg for S6-GR1P4K-S | | Weight per kW | 2.2 kg/kW | 4.3 kg/kW | -2.1 kg/kW for S6-GR1P4K-S | | Grid connection | Single-phase | 3-phase | Single-phase vs 3-phase | | Nominal AC voltage | 230 V | 400 V | 170 V apart | | Max AC current | 18.2 A | 6.4 A | 11.8 A apart | | Start voltage | 60 V | 180 V | -120 V for S6-GR1P4K-S | | Ingress protection | IP66 | IP65 | IP66 vs IP65 | | MPPT voltage range | 50-550 V | 160-850 V | 50-550 V vs 160-850 V | | Dimensions | 371x330x161 mm | 563x310x219 mm | 371x330x161 mm vs 563x310x219 mm | ## Every compared parameter | Parameter | S6-GR1P4K-S | Solis-3P4K-4G | | --- | --- | --- | | Rated AC power | 4.00 kW | 4.00 kW | | Max AC power | 4.00 kW | 4.40 kW | | Grid connection | Single-phase | 3-phase | | Nominal AC voltage | 230 V | 400 V | | Max AC current | 18.2 A | 6.4 A | | Max PV power | 6.00 kW | 4.80 kW | | DC/AC ratio | 1.50 | 1.20 | | Max DC voltage | 550 V | 1000 V | | MPPT voltage range | 50-550 V | 160-850 V | | Start voltage | 60 V | 180 V | | MPP trackers | 2 | 2 | | Strings per tracker | 1 | - | | Max input current per tracker | 16.0 A | - | | European efficiency | 97.1 % | 97.8 % | | Max efficiency | 97.7 % | 98.3 % | | CEC efficiency | - | - | | Battery input | - | - | | Battery voltage | - | - | | Max charge current | - | - | | Backup power | - | - | | Weight | 9.0 kg | 17.3 kg | | Weight per kW | 2.2 kg/kW | 4.3 kg/kW | | Dimensions | 371x330x161 mm | 563x310x219 mm | | Ingress protection | IP66 | IP65 | | Cooling | natural | - | | Noise | 20 dB | - | | Max operating temperature | 60 °C | 60 °C | | Wi-Fi | - | Yes | | Ethernet | - | - | | Arc fault protection | - | Yes | | Integrated DC switch | Yes | Yes | | Warranty | - | - | ## Related comparisons - [Ginlong Solis S6-GR1P4K-S vs SolarEdge EV Charging Single Phase Inverter SE4000H (aka H4000SE / SE4000H)](https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p4k-s/solaredge-solaredge-ev-charging-single-phase-inverter-se4000h-aka-h4000se-se4000h) - 10 differences, the largest is european efficiency - [Ginlong Solis S6-GR1P4K-S vs SolarEdge SE4000H (HD‑Wave, single phase)](https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p4k-s/solaredge-solaredge-se4000h-hd-wave-single-phase) - 8 differences, the largest is european efficiency - [Ginlong Solis S6-GR1P4K-S vs Ginlong Solis S6-GR3P-4K02-NV-ND](https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p4k-s/ginlong-solis-s6-gr3p-4k02-nv-nd) - 12 differences, the largest is european efficiency - [Solis-3P4K-4G vs GoodWe GW4K-DT](https://comparepv.com/compare-inverters/ginlong-solis-solis-3p4k-4g/goodwe-gw4k-dt) - 6 differences, the largest is weight --- Source: https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p4k-s/ginlong-solis-solis-3p4k-4g Not in this file, on the page: a written summary generated on request.