--- title: "Sungrow SH3.0RS Hybrid Inverter: Specs & Prices | ComparePV" description: "Sungrow SH3.0RS 3 kW hybrid inverter: 1 shop offer from 508.96 €. Specs: 97.0% European efficiency, 2 MPPT, 600 V max DC input, 18.5 kg." source: "https://comparepv.com/inverter/sungrow-sh3-0rs" updated: 2026-10-10 --- # Sungrow SH3.0RS ## Identity - **Manufacturer:** Sungrow - **Model:** SH3.0RS - **Series:** SH RS - **Rated AC power:** 3 kW - **Type:** Hybrid - **Phases:** Single-phase - **Battery port:** yes ## Price offers Prices are the figure each shop printed, on that shop's side of VAT. | Shop | Market | Price | Per kW | Availability | Last read | | --- | --- | --- | --- | --- | --- | | [solarboss.ie](https://comparepv.com/go/123649) | Ireland | 508.96 € incl. VAT | 169.65 €/kW | In stock | Last read 10 Oct 03:24 | ## How it compares Compared against 164 inverters up to 3 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | 97.0% | 97.0% | Typical | 43 | | MPPT trackers | 2 | 1 | Strong - top 18% | 1 | | Max DC input voltage | 600 V | 550 V | Strong - top 19% | 13 | | Weight per kW | 6.2 | 4.0 | Weak - bottom 15% | 137 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 3 kW - **Max apparent power:** 3.00 kVA - **Phases:** Single-phase - **Nominal AC voltage:** 230 V - **Max AC current:** 13.7 A - **Grid frequency:** 50 Hz - **Power factor:** >0.99 at rated power (adjustable PF mentioned, range not specified) - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 4.50 kW - **Max DC voltage:** 600 V - **MPPT voltage range:** 40 to 560 V - **Start-up voltage:** 50 V - **MPPT trackers:** 2 - **Max input current per MPPT:** 16.0 A - **Max short-circuit current per MPPT:** 20.0 A ### Efficiency - **European efficiency:** 97.0 % - **Max efficiency:** 97.4 % ### Battery - **Battery port:** Yes - **Battery voltage:** 80 V - 460 V - **Max charge current:** 30.0 A - **Max discharge current:** 30.0 A - **Backup power:** 6.00 kW - **Grid-forming:** Yes ### Physical - **Dimensions:** 340 × 490 × 170 mm - **Weight:** 18.5 kg - **Enclosure:** IP65 - **Cooling:** natural - **Noise:** 45 dB - **Operating temperature:** -25 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Ethernet, Display - **Protocols:** RS485, Ethernet, WLAN, CAN, DRM - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** IEC/EN 62109-1, IEC/EN 62109-2, IEC 62116, IEC 61727, IEC/EN 61000-3-11, IEC/EN 61000-3-12, EN 62477-1, AS/NZS 4777.2:2020, EN 50549-1, CEI 0-21, G98, G99, UNE 217002:2020, NTS V2 TypeA, C10/26 ### Pros - **Peak efficiency of 98.4% - ahead of Fronius** - Maximum efficiency of 98.4% surpasses the Fronius Primo GEN24 Plus (97.8%) by approximately 0.6 percentage points. For a typical Polish 5 kWp system with an annual yield of ~4,500 kWh, this translates to several tens of kWh of additional generation per year at no extra cost. - **EPS switchover under 10 ms - imperceptible transfer** - A backup power switchover time of \<10 ms meets the invisibility threshold for the vast majority of consumer electronics (computers, refrigerators, NAS devices). Fronius GEN24 Plus and SolarEdge declare an equivalent threshold, so the SH RS holds its own against direct competitors in this regard. - **DC SPD and DC disconnect switch included as standard** - An integrated DC disconnect switch and Type II DC surge protective device (SPD) are built into the unit, eliminating the need to purchase a separate DC combiner box (market cost: 200-450 PLN). Combined with the compact IP65 enclosure, this reduces installation time and simplifies system design. - **Active PID recovery as standard** - The built-in PID Recovery function actively counteracts module degradation caused by Potential Induced Degradation (PID). Most string inverters and some hybrid inverters in this price segment offer this feature only as a paid add-on, or do not include it at all. - **DC oversizing up to 200% - higher winter yield** - Permissible DC oversizing up to 200% of rated AC power (e.g., 10 kWp DC on a 5 kW inverter) allows better utilization of the diffuse, low-angle irradiance characteristic of the Polish climate between October and March. In these conditions, DC oversizing measurably increases energy yield without exceeding the grid export power limit. ### Cons - **Series power range: 3-6 kW AC only** - The standard SH RS series covers only single-phase models from 3.0 to 6.0 kW. Homes requiring more than 6 kW AC must step up to the SH8/10RS (a separate product line) or the three-phase RT series. This limits design flexibility for higher-consumption installations where a uniform product lineup would otherwise be preferred. ## About this series Sungrow SH RS series are **hybrid single-phase inverters** designed for autarky and cooperation with an energy storage system, focusing on stable operation in real household conditions. In practice, this means smooth energy management between PV, batteries, and the grid, along with fast switching to backup power supply for selected circuits during voltage dips. Thanks to **multiple MPPTs** (depending on the series variant), the installation handles different roof orientations, varied module strings, and partial shading more effectively - the inverter more efficiently finds the optimal working point, translating to higher yields. High **European efficiency** is particularly important here, as it reflects typical operation under varying loads, i.e., real production in the Polish climate. Monitoring via iSolarCloud supports ongoing analysis and diagnostics, while communication via **Wi-Fi or Ethernet** facilitates integration with the home network. The series is compatible with high-voltage energy storage systems and offers required certifications and a standard long warranty, making it suitable primarily for residential installations and small commercial premises. ## Questions ### How quickly does the Sungrow SH RS inverter switch to backup power when the grid goes down? The Sungrow SH RS series switches to Emergency Power Supply (EPS) mode in under 10 ms for the 3-6 kW models. In practice, this means the vast majority of household appliances will not detect any interruption in power supply. This requires a connected and sufficiently charged high-voltage battery storage system, as well as a properly wired backup circuit installed during system commissioning. ### How many MPPT inputs does the Sungrow SH RS inverter have, and is that sufficient for a roof with multiple orientations? Depending on the variant, the SH RS series features either 2 MPPT inputs (3-6 kW models) or 4 MPPT inputs (8-10 kW models). Each independent tracker operates on a separate string of panels, meaning different roof orientations, varying tilt angles, or partial shading on one roof section do not reduce the output of the remaining strings. For a typical dual-pitch roof, 2 MPPT inputs are sufficient; for more complex roof layouts, the SH8.0RS or SH10RS models are worth considering. ### Which battery storage systems are compatible with the Sungrow SH RS? The SH RS series is designed for use with high-voltage battery storage systems, supporting battery voltage ranges starting from approximately 150 V and above. The manufacturer pairs this series with its own Sungrow SBR batteries - lithium-ion, LFP chemistry - which can be configured in a modular fashion, allowing the total battery capacity to exceed 20 kWh. Compatibility with third-party batteries must be confirmed on a case-by-case basis with a qualified installer or distributor. ### What warranty does the Sungrow SH RS inverter carry and what does it cover? The standard manufacturer's warranty for the Sungrow SH RS series is 10 years. It covers material and manufacturing defects in the unit. Sungrow is a Tier 1 manufacturer headquartered in China with an established service network in Poland, which facilitates warranty claims. Maintaining warranty coverage requires installation by a certified installer and device registration on the iSolarCloud platform. ### Does the Sungrow SH RS inverter operate reliably during Polish winters? Yes, the SH RS series is rated for operation in temperatures ranging from -25 °C to +60 °C, fully covering the conditions of Polish winters. The start-up voltage is as low as 50 V DC, which allows the inverter to start generating power under the weak irradiance typical of winter days, effectively extending the daily energy production window. The IP65-rated enclosure provides full protection against rain, snow, and moisture ingress. ### Can I monitor the Sungrow SH RS inverter remotely from my smartphone? Yes, the SH RS series connects via Wi-Fi or Ethernet and transmits data to the iSolarCloud platform, available both as a mobile app and a web portal. Through iSolarCloud, users can monitor real-time PV generation, battery state of charge, grid import/export, and full system operation history. The platform also supports remote configuration of parameters - such as setting a minimum battery state of charge to be reserved as backup in the event of a grid outage. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/ds-20240320-sh3-0-3-6-4-0-5-0-6-0rs-datasheet-v18-en-6e033a2e1b9a.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [SolarEdge SE3000H](https://comparepv.com/inverter/solaredge-se3000h) | 3 kW | 98.8% | | 12.0 kg | +1.8 pp efficiency, 6.5 kg lighter | | [Growatt MOD 3000TL3-HU](https://comparepv.com/inverter/growatt-mod-3000tl3-hu) | 3 kW | 97.8% | 2 | 19.0 kg | +0.8 pp efficiency | | [Growatt SPM 3000TL-HU](https://comparepv.com/inverter/growatt-spm-3000tl-hu) | 3 kW | 97.6% | 2 | 26.0 kg | +0.6 pp efficiency, 7.5 kg heavier | | [Huawei SUN2000L-3KTL](https://comparepv.com/inverter/huawei-sun2000l-3ktl) | 3 kW | 97.6% | 2 | 10.6 kg | +0.6 pp efficiency, 7.9 kg lighter | | [Growatt MOD 3000TL3-XH](https://comparepv.com/inverter/growatt-mod-3000tl3-xh) | 3 kW | 97.5% | 2 | 12.5 kg | +0.5 pp efficiency, 6.0 kg lighter | | [Huawei SUN2000-3KTL-L1](https://comparepv.com/inverter/huawei-sun2000-3ktl-l1) | 3 kW | 97.3% | 2 | 12.0 kg | 6.5 kg lighter | | [Growatt MIN 3000TL-XH](https://comparepv.com/inverter/growatt-min-3000tl-xh) | 3 kW | 97.1% | 2 | 10.8 kg | 7.7 kg lighter | | [Growatt MIN 3000TL-XA](https://comparepv.com/inverter/growatt-min-3000tl-xa) | 3 kW | 97.1% | | 10.8 kg | 7.7 kg lighter | --- Source: https://comparepv.com/inverter/sungrow-sh3-0rs