--- title: "Sungrow SG8.0RS-L Grid-tie Inverter: Specs & Prices | ComparePV" description: "Sungrow SG8.0RS-L 8 kW grid-tie inverter: 1 shop offer from 4 705.94 R$. Specs: 97.3% European efficiency, 2 MPPT, 600 V max DC input, 18.0 kg." source: "https://comparepv.com/inverter/sungrow-sg8-0rs-l" updated: 2026-10-10 --- # Sungrow SG8.0RS-L ## Identity - **Manufacturer:** Sungrow - **Model:** SG8.0RS-L - **Series:** SG8.0RS-L - **Rated AC power:** 8 kW - **Type:** Grid-tie - **Phases:** Single-phase ## Price offers Prices are the figure each shop printed, on that shop's side of VAT. | Shop | Market | Price | Per kW | Availability | Last read | | --- | --- | --- | --- | --- | --- | | [www.meugerador.com.br](https://comparepv.com/go/197357) | Brazil | 4 705.94 R$ incl. VAT | 588.24 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 | 97.3% | 97.6% | Weak - bottom 25% | 141 | | MPPT trackers | 2 | 2 | Typical | 46 | | Max DC input voltage | 600 V | 1000 V | Weak - bottom 24% | 161 | | Weight per kW | 2.2 | 2.3 | Typical | 121 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 8 kW - **Max apparent power:** 8.00 kVA - **Phases:** Single-phase - **Nominal AC voltage:** 230 V - **Max AC current:** 36.4 A - **Grid frequency:** 50 Hz - **Power factor:** > 0.99 at rated power / 0.8 leading - 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 12.00 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:** 32.0 A - **Max short-circuit current per MPPT:** 40.0 A ### Efficiency - **European efficiency:** 97.3 % - **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, iSolarCloud (monitoring platform) - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** ABNT NBR 16150, PORTARIA Nº 140, DE 21 DE MARÇO DE 2022 ### Pros - **BNEF Bankability Leader 2025** - Sungrow ranked 1st in the BloombergNEF Inverter Bankability Survey 2025 with 100% recognition among surveyed investors - its sixth consecutive top distinction. This translates to best-in-class financial risk profile and streamlines project financing approvals from lending institutions. - **Dual Independent MPPTs** - Two separate MPPT trackers allow independently optimized operation of array sections with different azimuths or partial shading, eliminating cross-string losses. On dual-pitch roof installations, this can deliver 3-8% higher annual energy yield compared to inverters with a single shared MPPT. - **High European Efficiency ~97.4%** - The weighted European efficiency (~97.4%) more accurately captures real-world losses under variable irradiance and part-load operation typical of Central European climates than peak efficiency alone. This figure is on par with top residential-segment competitors such as the Fronius Primo (~97.6%) at a lower price point. - **Built-in AFCI and Type II SPD on DC+AC** - An integrated arc-fault circuit interrupter (AFCI) and Type II surge protective devices (SPDs) on both the DC and AC sides are included from the factory, with no additional accessories required. These components are increasingly mandated or strongly recommended by insurers under European electrical installation standards. - **iSolarCloud Monitoring via WiFi+Ethernet** - Dual-channel built-in connectivity (WiFi and Ethernet) to the iSolarCloud platform delivers data refresh every 10 seconds. This enables rapid remote diagnostics and self-consumption monitoring without an additional communication gateway - a capability absent from entry-level inverters in this price range. ### Cons - **No Battery Storage Upgrade Path** - The SG8.0RS-L is a grid-tied-only inverter - adding battery storage at a later stage requires a full unit replacement with a hybrid model such as the SH-RT series. Competing products like the Huawei SUN2000-8KTL-L1 offer ESS-ready functionality in certain on-grid variants, eliminating the cost of inverter replacement when a storage system is added. ## About this series **3-phase grid-connected inverters (on-grid)** from the Sungrow SG8.0RS-L series are designed for residential and small commercial installations, where reliable operation and rapid diagnostics are essential. The application of **two independent MPPTs** simplifies the design of rooftop systems with different orientations or partial shading - each tracker independently optimizes the power point, effectively improving energy yield under challenging conditions. In practice, these inverters stand out with **high European efficiency**, meaning better alignment with typical operating conditions in Poland - less losses in daily load ranges translates to more energy fed into the grid annually. Another advantage is **integrated monitoring and communication** (including WiFi-Ethernet) with monitoring in the iSolarCloud app, simplifying service and self-consumption control. This is not a hybrid inverter - energy storage solutions belong to other series, whereas the SG8.0RS-L performs excellently in classic grid-tie systems. Depending on the market configuration, users encounter certifications compliant with European standards and the standard manufacturer’s warranty. ## Questions ### Is the Sungrow SG8.0RS-L a three-phase inverter, and who is it designed for? Yes, the Sungrow SG8.0RS-L is a three-phase on-grid inverter designed for residential installations and small commercial facilities connected to a three-phase grid. A three-phase grid connection ensures balanced load distribution across all phases, which is required by most distribution network operators for systems rated above 5 kW. It is an ideal solution for homes with a three-phase utility meter and a PV system in the range of up to several tens of kilowatts. ### What is the purpose of the two independent MPPTs in the Sungrow SG8.0RS-L, and when does this matter? The two independent MPPT trackers allow PV strings from two different roof sections or with different orientations to be connected separately, with each tracker independently seeking the optimal maximum power point. In practice, this means that shading or a different tilt angle on one roof section does not reduce the energy yield from the other. This is particularly important for dual-pitch roofs or installations subject to partial shading from chimneys, dormers, or other obstructions. ### What warranty is provided for the Sungrow SG8.0RS-L inverter? Sungrow covers inverters in the RS-L series with a standard manufacturer's warranty of 10 years. Sungrow is a Tier 1 manufacturer with a global service network, which translates into genuine support in the event of a fault. It is worth consulting your distributor for the specific warranty terms applicable to the Polish market, as some importers additionally offer extended protection packages. ### Does the Sungrow SG8.0RS-L support a battery storage system? No, the SG8.0RS-L is a purely grid-tied (on-grid) inverter and does not support battery storage integration. If you are planning to expand your installation with an energy storage system, you will need to select one of Sungrow's hybrid inverter series, such as the SH-RT. The SG8.0RS-L excels in classic grid-tie installations where all generated energy is fed directly into the grid or consumed on-site in real time. ### How does installation monitoring via the iSolarCloud app work on the Sungrow SG8.0RS-L? The SG8.0RS-L has built-in Wi-Fi and Ethernet communication, so once connected to the home network, production data is automatically uploaded to the iSolarCloud platform. The free smartphone app and web browser interface provide real-time visibility into current power output, daily and annual energy production, and self-consumption figures. Remote access also simplifies service diagnostics, eliminating the need for an on-site technician visit in many cases. ### Does the high European efficiency rating of the Sungrow SG8.0RS-L make a real difference under Polish climate conditions? Yes, European efficiency (EU efficiency) is calculated as a weighted average across irradiance levels representative of Central European conditions, not solely at full load. In Poland, the inverter operates at partial load for the majority of the year, so a high EU efficiency rating means lower energy losses on overcast days and during periods of low solar elevation. This translates directly into higher annual energy yield and a shorter return on investment period. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/DS-20230619-SG80RS-L-Datasheet-V11-EN-India-ae7c4fc60d1e.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MOD 8000TL3-X](https://comparepv.com/inverter/growatt-mod-8000tl3-x) | 8 kW | 98.1% | 2 | 14.0 kg | +0.8 pp efficiency, 4.0 kg lighter | | [Growatt MOD 8KTL3-X2(Pro)](https://comparepv.com/inverter/growatt-mod-8ktl3-x2-pro) | 8 kW | 98.1% | 2 | 14.6 kg | +0.8 pp efficiency, 3.4 kg lighter | | [Sungrow SG8.0RT-20](https://comparepv.com/inverter/sungrow-sg8-0rt-20) | 8 kW | 98.0% | 2 | 17.0 kg | +0.7 pp efficiency, 1.0 kg lighter | | [GoodWe GW8000-DT](https://comparepv.com/inverter/goodwe-gw8000-dt) | 8 kW | 98.0% | 2 | 24.0 kg | +0.7 pp efficiency, 6.0 kg heavier | | [Ginlong Solis S6-GR3P-8K02-NV-ND](https://comparepv.com/inverter/ginlong-solis-s6-gr3p-8k02-nv-nd) | 8 kW | 97.9% | 2 | 15.4 kg | +0.6 pp efficiency, 2.6 kg lighter | | [Sungrow SG6.0RT](https://comparepv.com/inverter/sungrow-sg6-0rt) | 8 kW | 97.8% | 2 | 18.0 kg | +0.5 pp efficiency | | [Solis-3P8K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p8k-4g) | 8 kW | 97.8% | 2 | 18.0 kg | +0.5 pp efficiency | | [Sungrow SG8.0RT-P2](https://comparepv.com/inverter/sungrow-sg8-0rt-p2) | 8 kW | 97.7% | 2 | 18.0 kg | +0.4 pp efficiency | --- Source: https://comparepv.com/inverter/sungrow-sg8-0rs-l