---
title: "Ginlong Solis S6-GR1P2.5K vs Sungrow SG2.5RS-S - Inverter Comparison | ComparePV"
description: "Compare Ginlong Solis S6-GR1P2.5K vs Sungrow SG2.5RS-S side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p2-5k/sungrow-sg2-5rs-s"
updated: 2026-01-17
---

# Ginlong Solis S6-GR1P2.5K vs Sungrow SG2.5RS-S

SG2.5RS-S leads on the differences that matter

The largest is european efficiency: 0.7 pp more efficient. 12 of 24 comparable parameters are identical, with 8 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Ginlong Solis S6-GR1P2.5K](https://comparepv.com/inverter/ginlong-solis-s6-gr1p2-5k) | [Sungrow SG2.5RS-S](https://comparepv.com/inverter/sungrow-sg2-5rs-s) |
| Manufacturer | Ginlong Solis | Sungrow |
| Rated AC power | 2.5 kW | 2.5 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | S6-GR1P2.5K | SG2.5RS-S | Difference |
| --- | --- | --- | --- |
| European efficiency | 96.5 % | 97.2 % | +0.7 pp for SG2.5RS-S |
| Max input current per tracker | 14.0 A | 16.0 A | +2.0 A for SG2.5RS-S |
| Max AC power | 2.80 kW | 2.50 kW | 0.30 kW apart |
| Weight | 11.0 kg | 6.0 kg | -5.0 kg for SG2.5RS-S |
| Weight per kW | 4.4 kg/kW | 2.4 kg/kW | -2.0 kg/kW for SG2.5RS-S |
| Max efficiency | 97.3 % | 97.8 % | +0.5 pp for SG2.5RS-S |
| MPP trackers | 2 | 1 | +1 trackers for S6-GR1P2.5K |
| Max AC current | 13.3 A | 11.4 A | 1.9 A apart |
| Ingress protection | IP66 | IP65 | IP66 vs IP65 |
| MPPT voltage range | 50-520 V | 40-560 V | 50-520 V vs 40-560 V |
| Start voltage | 60 V | 50 V | -10 V for SG2.5RS-S |
| Dimensions | 543x310x160 mm | 225x320x120 mm | 543x310x160 mm vs 225x320x120 mm |


## Every compared parameter


| Parameter | S6-GR1P2.5K | SG2.5RS-S |
| --- | --- | --- |
| Rated AC power | 2.50 kW | 2.50 kW |
| Max AC power | 2.80 kW | 2.50 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 13.3 A | 11.4 A |
| Max PV power | 3.75 kW | 3.75 kW |
| DC/AC ratio | 1.50 | 1.50 |
| Max DC voltage | 600 V | 600 V |
| MPPT voltage range | 50-520 V | 40-560 V |
| Start voltage | 60 V | 50 V |
| MPP trackers | 2 | 1 |
| Strings per tracker | 1 | 1 |
| Max input current per tracker | 14.0 A | 16.0 A |
| European efficiency | 96.5 % | 97.2 % |
| Max efficiency | 97.3 % | 97.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 11.0 kg | 6.0 kg |
| Weight per kW | 4.4 kg/kW | 2.4 kg/kW |
| Dimensions | 543x310x160 mm | 225x320x120 mm |
| Ingress protection | IP66 | IP65 |
| Cooling | natural | natural |
| Noise | 20 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | - | Yes |
| Arc fault protection | Yes | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Ginlong Solis S6-GR1P2.5K vs Growatt 2500-S](https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p2-5k/growatt-growatt-2500-s) - 16 differences, the largest is european efficiency
- [Ginlong Solis S6-GR1P2.5K vs GoodWe GW2500-XS](https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p2-5k/goodwe-gw2500-xs) - 13 differences, the largest is european efficiency
- [Ginlong Solis S6-GR1P2.5K vs Growatt MIN 2500TL-X](https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p2-5k/growatt-min-2500tl-x) - 11 differences, the largest is european efficiency
- [Sungrow SG2.5RS-S vs Growatt MIC 2500TL-X](https://comparepv.com/compare-inverters/sungrow-sg2-5rs-s/growatt-mic-2500tl-x) - 9 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/ginlong-solis-s6-gr1p2-5k/sungrow-sg2-5rs-s

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