Device Comparison
GoodWe DNS G3 vs Sungrow SG5.0/6.0RS vs SAJ R5-5K-T2 vs Solis S6-GR1P(2.5-6)K-S
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At A Glance
Key fit signals before the full table
A quick pass over the most decision-shaping details for each device in this featured comparison.
GoodWe DNS G3
- Cloud
- Optional cloud for portal monitoring; the inverter also supports local communication protocols including Modbus RTU and SunSpec.
- Home Assistant
- No
Sungrow SG5.0/6.0RS
- Cloud
- iSolarCloud app is standard; Ethernet/RS485/local integrations depend on setup.
- Home Assistant
- Yes
- Price
- Installer supplied; hardware price varies by model and region
SAJ R5-5K-T2
- Cloud
- SAJ eSolarCloud app is standard; local Modbus TCP support may be used by integrations.
- Home Assistant
- Yes
- Price
- Installer supplied; hardware price varies by model and region
Solis S6-GR1P(2.5-6)K-S
- Cloud
- SolisCloud app is standard; local Modbus/integration options depend on installation.
- Home Assistant
- Yes
- Price
- Installer supplied; hardware price varies by model and region
| Install fit | ||||
|---|---|---|---|---|
| Phase support | Single phase | Single-phase residential solar systems | Single-phase residential solar systems | Single-phase residential solar systems |
| Installation | Wall-mounted single-phase residential string inverter | Wall-mounted single-phase string inverter | Wall-mounted single-phase string inverter | Wall-mounted single-phase string inverter |
| Measurement | Not a metering device; single-phase residential solar inverter family | Inverter telemetry for PV generation and grid export status | Inverter telemetry for PV generation and grid status | Inverter telemetry for PV generation and grid export status |
| Max current | Unknown | 27.3 A | 25 A | 27.3 A |
| Monitoring | ||||
| Protocol | Wi-Fi / RS485 / Modbus RTU / SunSpec / SEMS Portal | Ethernet / WLAN / RS485 / iSolarCloud | Wi-Fi / eSolar Cloud / Modbus TCP | SolisCloud |
| Local API | No | Yes | Yes | Yes |
| Cloud dependency | Optional cloud for portal monitoring; the inverter also supports local communication protocols including Modbus RTU and SunSpec. | iSolarCloud app is standard; Ethernet/RS485/local integrations depend on setup. | SAJ eSolarCloud app is standard; local Modbus TCP support may be used by integrations. | SolisCloud app is standard; local Modbus/integration options depend on installation. |
| Home Assistant | No | Yes | Yes | Yes |
| Solar fit | ||||
| Solar import/export | Yes | Yes | Yes | Yes |
| Buying context | ||||
| Price range | Unknown | Installer supplied; hardware price varies by model and region | Installer supplied; hardware price varies by model and region | Installer supplied; hardware price varies by model and region |
| Availability | North America / global DNS G3 family reference | EU, AU, Asia, LATAM, selected global markets | EU, AU, Asia, selected global markets | EU, UK, AU, Asia, selected global markets |
| Source check | ||||
| Last verified | May 15, 2026 | May 11, 2026 | Apr 22, 2026 | Unknown |
| Product page | Official page | Official page | Official page | Official page |
| Documentation | Official docs | Unknown | Unknown | Unknown |