---
title: "Deye SUN-2K-G vs Sungrow SG2.0RS-S - Inverter Comparison | ComparePV"
description: "Compare Deye SUN-2K-G vs Sungrow SG2.0RS-S side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/deye-sun-2k-g/sungrow-sg2-0rs-s"
updated: 2026-01-17
---

# Deye SUN-2K-G vs Sungrow SG2.0RS-S

SG2.0RS-S leads on the differences that matter

The largest is max dc voltage: 50 V apart. 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 | [Deye SUN-2K-G](https://comparepv.com/inverter/deye-sun-2k-g) | [Sungrow SG2.0RS-S](https://comparepv.com/inverter/sungrow-sg2-0rs-s) |
| Manufacturer | Deye | Sungrow |
| Rated AC power | 2 kW | 2 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | SUN-2K-G | SG2.0RS-S | Difference |
| --- | --- | --- | --- |
| Max DC voltage | 550 V | 600 V | 50 V apart |
| Max input current per tracker | 12.5 A | 16.0 A | +3.5 A for SG2.0RS-S |
| Max AC power | 2.20 kW | 2.00 kW | 0.20 kW apart |
| Max PV power | 2.60 kW | 3.00 kW | 0.40 kW apart |
| DC/AC ratio | 1.30 | 1.50 | +0.20 for SG2.0RS-S |
| Max efficiency | 97.3 % | 97.8 % | +0.5 pp for SG2.0RS-S |
| European efficiency | 97.1 % | 96.9 % | +0.2 pp for SUN-2K-G |
| Max operating temperature | 65 °C | 60 °C | +5 °C for SUN-2K-G |
| Start voltage | 80 V | 50 V | -30 V for SG2.0RS-S |
| MPPT voltage range | 70-550 V | 40-560 V | 70-550 V vs 40-560 V |
| Max AC current | 9.6 A | 9.1 A | 0.5 A apart |
| Dimensions | 310x330x115 mm | 225x320x120 mm | 310x330x115 mm vs 225x320x120 mm |


## Every compared parameter


| Parameter | SUN-2K-G | SG2.0RS-S |
| --- | --- | --- |
| Rated AC power | 2.00 kW | 2.00 kW |
| Max AC power | 2.20 kW | 2.00 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 9.6 A | 9.1 A |
| Max PV power | 2.60 kW | 3.00 kW |
| DC/AC ratio | 1.30 | 1.50 |
| Max DC voltage | 550 V | 600 V |
| MPPT voltage range | 70-550 V | 40-560 V |
| Start voltage | 80 V | 50 V |
| MPP trackers | 1 | 1 |
| Strings per tracker | 1 | 1 |
| Max input current per tracker | 12.5 A | 16.0 A |
| European efficiency | 97.1 % | 96.9 % |
| Max efficiency | 97.3 % | 97.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 6.0 kg | 6.0 kg |
| Weight per kW | 3.0 kg/kW | 3.0 kg/kW |
| Dimensions | 310x330x115 mm | 225x320x120 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | natural | natural |
| Noise | 25 dB | - |
| Max operating temperature | 65 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | Yes |
| Arc fault protection | - | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Deye SUN-2K-G vs GoodWe GW2000-SS](https://comparepv.com/compare-inverters/deye-sun-2k-g/goodwe-gw2000-ss) - 11 differences, the largest is max dc voltage
- [Deye SUN-2K-G vs Growatt 2000-S](https://comparepv.com/compare-inverters/deye-sun-2k-g/growatt-growatt-2000-s) - 7 differences, the largest is max ac power
- [Deye SUN-2K-G vs Growatt MIC 2000TL-X](https://comparepv.com/compare-inverters/deye-sun-2k-g/growatt-mic-2000tl-x) - 8 differences, the largest is max ac power


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Source: https://comparepv.com/compare-inverters/deye-sun-2k-g/sungrow-sg2-0rs-s

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