--- title: "Sungrow SG10RS-L Grid-tie Inverter: Specs & Prices | ComparePV" description: "Sungrow SG10RS-L 10 kW grid-tie inverter: 1 shop offer from 5 424 598 R$. Specs: 97.4% European efficiency, 3 MPPT, 600 V max DC input, 18.0 kg." source: "https://comparepv.com/inverter/sungrow-sg10rs-l" updated: 2026-10-10 --- # Sungrow SG10RS-L ## Identity - **Manufacturer:** Sungrow - **Model:** SG10RS-L - **Series:** SG9.0/10RS-L - **Rated AC power:** 10 kW - **Type:** Grid-tie - **Phases:** Single-phase ## Price offers Prices are the figure each shop printed, on that shop's side of VAT. | Shop | Market | Price | Per kW | Availability | Last read | | --- | --- | --- | --- | --- | --- | | [www.meugerador.com.br](https://comparepv.com/go/197351) | Brazil | 5 424 598 R$ incl. VAT | 542 459.80 R$/kW | In stock | Last read 10 Oct 05:03 | ## How it compares Compared against 266 inverters from 6 to 12 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | 97.4% | 97.6% | Typical | 131 | | MPPT trackers | 3 | 2 | Strong - top 13% | 6 | | Max DC input voltage | 600 V | 1000 V | Weak - bottom 24% | 161 | | Weight per kW | 1.8 | 2.3 | Typical | 66 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 10 kW - **Max apparent power:** 10.00 kVA - **Phases:** Single-phase - **Max AC current:** 45.5 A - **Power factor:** > 0.99 / 0.8 leading - 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 15.00 kW - **Max DC voltage:** 600 V - **MPPT voltage range:** 40 to 560 V - **Start-up voltage:** 50 V - **MPPT trackers:** 3 - **Max input current per MPPT:** 16.0 A - **Max short-circuit current per MPPT:** 20.0 A ### Efficiency - **European efficiency:** 97.4 % - **Max efficiency:** 97.8 % ### Physical - **Dimensions:** 365 × 525 × 170 mm - **Weight:** 18.0 kg - **Enclosure:** IP65 - **Cooling:** natural - **Operating temperature:** -25 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Display - **Protocols:** WLAN - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** ABNT NBR 16150, PORTARIA Nº 140, DE 21 DE MARÇO DE 2022 ### Pros - **Triple MPPT, 40-560 V DC Input Range** - Three independent MPPT trackers with a wide voltage window (40-560 V DC) allow strings on different roof facets and azimuths to be connected without mutually limiting output. This is a practical advantage over dual-MPPT inverters in multi-pitch roof installations. - **Peak Efficiency 97.8% / EU Efficiency 97.4%** - According to the official Sungrow datasheet, the series achieves a maximum efficiency of 97.8% and a weighted European efficiency of ~97.4%. This places the series at the top of the single-phase 8-10 kW inverter class, above the typical segment median of ~97.0-97.2% EU efficiency. - **#1 BNEF Bankability 2025 - 6th Consecutive Year** - Sungrow has ranked first in the BloombergNEF Inverter Bankability Survey for the sixth consecutive year (2025), with 100% of respondents selecting the brand. This represents the lowest project financing risk among all inverter manufacturers and provides genuine confidence in long-term service availability. - **Passive Cooling, No Derating Below 45°C** - The series is fanless - passive cooling eliminates moving parts susceptible to wear. The manufacturer confirms no power derating below 45°C ambient temperature, which in the Polish climate means full rated output is maintained virtually throughout the entire summer season. - **10-Year Warranty + iSolarCloud Included as Standard** - The standard 10-year manufacturer warranty covers materials and workmanship, and the iSolarCloud monitoring platform with WLAN connectivity (10-second refresh rate) is included at no additional licensing cost. Competing series (e.g., Growatt MIN TL3-X) frequently offer only 5 years as standard, with extended coverage available as a paid option. ### Cons - **16 kHz Audible Tone in Enclosed Spaces** - Numerous threads on industry forums (including Whirlpool Solar and the Facebook group 'My Efficient Electric Home') document a high-frequency whine of ~16 kHz audible within 0.3-1 m of the SG10RS at output levels of 8-9 kW. The issue affects individuals sensitive to this frequency and may render a garage or boiler room unusable during daytime operation. Sungrow has not released an official firmware fix eliminating the phenomenon in the RS-L variant. ## About this series The Sungrow SG9.0/10RS-L series are modern **on-grid (grid-tie)** inverters for home and small commercial installations, designed for high yields under real operating conditions. The use of multiple independent **MPPT** optimizes energy production when modules are distributed across different roof sections, face different directions, or experience periodic shading - the inverter precisely selects the optimal operating point for each string. The high **European efficiency** ensures minimal losses in typical operating ranges, translating to better energy production throughout the year, not just during peak summer months. The standard includes **iSolarCloud monitoring** with parameter viewing and diagnostics, and communication can involve WLAN and wired integration options with monitoring systems. The series also prioritizes safety - including overvoltage protection and functions for detecting dangerous DC-side phenomena. This solution is designed for investors seeking reliable grid operation and convenient system management. ## Questions ### How many MPPT trackers does the Sungrow SG9.0/10RS-L inverter have, and why does it matter? The Sungrow SG9.0/10RS-L inverter features 3 independent MPPT trackers. This allows solar panels mounted on different roof orientations (e.g., south-facing and east-/west-facing) or subject to varying degrees of shading to be connected simultaneously, with each string optimized independently. In practice, this translates to higher annual energy yield compared to single-MPPT inverters. ### What warranty does the Sungrow SG9.0/10RS-L inverter carry? The standard manufacturer's warranty for the SG9.0/10RS-L series is 10 years. As a Tier 1 manufacturer with a global service network, Sungrow provides full technical support throughout the warranty period. In the event of a failure, unit replacement or repair is available - specific terms and conditions should be confirmed with an authorized distributor in Poland. ### Can the Sungrow SG10RS-L inverter be upgraded with a battery energy storage system? Not directly. The SG10RS-L is a grid-tied (on-grid) inverter without built-in hybrid functionality, meaning it does not support battery connectivity. If you are planning to add energy storage now or in the future, you should consider the Sungrow SH10RS hybrid series, which includes a dedicated battery port and supports off-grid (island mode) operation. ### How does iSolarCloud monitoring work with the SG9.0/10RS-L series? The inverter communicates with the iSolarCloud platform via Wi-Fi or Ethernet, providing real-time visibility into energy production, operating parameters, and diagnostics with a 10-second refresh rate. Both the mobile app and the web portal are available free of charge. The platform also supports remote IV curve scanning, which is particularly useful for diagnosing string-level issues without requiring physical access to the roof. ### What is the difference between the Sungrow SG9.0RS-L and the SG10RS-L? The only difference is the maximum AC output power: the SG9.0RS-L is rated at 9 kW, while the SG10RS-L is rated at 10 kW. Both models share an identical hardware platform, the same number of MPPT trackers (3), the same protection features, and the same iSolarCloud software. The choice between them depends primarily on the size of the PV installation and the grid connection limits imposed by the distribution system operator (DSO). ### Does the Sungrow SG10RS-L inverter comply with safety standards applicable to installations in Poland? Yes. The SG9.0/10RS-L series holds CE certification as required for the European market. The inverter is equipped with DC- and AC-side surge protection devices (SPDs), arc fault circuit interruption (AFCI), and insulation monitoring - all in compliance with IEC standards and the requirements of Polish distribution system operators. An IP65 enclosure protection rating allows installation both indoors and outdoors. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/ds-20230619-sg9-0-10rs-l-datasheet-v11-india-389473af09b6.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MOD 10KTL3-X2(Pro)](https://comparepv.com/inverter/growatt-mod-10ktl3-x2-pro) | 10 kW | 98.2% | 2 | 14.6 kg | +0.8 pp efficiency, -1 MPPT, 3.4 kg lighter | | [Growatt MOD 10KTL3-X](https://comparepv.com/inverter/growatt-mod-10ktl3-x) | 10 kW | 98.1% | 2 | 14.0 kg | +0.7 pp efficiency, -1 MPPT, 4.0 kg lighter | | [Sungrow SG10KTL-M](https://comparepv.com/inverter/sungrow-sg10ktl-m) | 10 kW | 98.1% | 2 | 20.0 kg | +0.7 pp efficiency, -1 MPPT, 2.0 kg heavier | | [Sungrow SG10RT-20](https://comparepv.com/inverter/sungrow-sg10rt-20) | 10 kW | 98.1% | 2 | 17.0 kg | +0.7 pp efficiency, -1 MPPT, 1.0 kg lighter | | [SOFAR 11KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-11ktlx-g3) | 10 kW | 98.0% | 2 | 18.0 kg | +0.6 pp efficiency, -1 MPPT | | [SOFAR 10KTLX-G3-A](https://comparepv.com/inverter/sofar-solar-sofar-10ktlx-g3-a) | 10 kW | 98.0% | 2 | 18.0 kg | +0.6 pp efficiency, -1 MPPT | | [SMA Solar STP10.0-3AV-40](https://comparepv.com/inverter/sma-solar-stp10-0-3av-40) | 10 kW | 98.0% | 2 | 20.5 kg | +0.6 pp efficiency, -1 MPPT, 2.5 kg heavier | | [GoodWe GW10KN-DT](https://comparepv.com/inverter/goodwe-gw10kn-dt) | 10 kW | 98.0% | 2 | 24.0 kg | +0.6 pp efficiency, -1 MPPT, 6.0 kg heavier | --- Source: https://comparepv.com/inverter/sungrow-sg10rs-l