--- title: "Sungrow SG7.0RT-P2 Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Sungrow SG7.0RT-P2 7 kW grid-tie inverter. Specs: 97.6% European efficiency, 2 MPPT, 1100 V max DC input, 18.0 kg." source: "https://comparepv.com/inverter/sungrow-sg7-0rt-p2" updated: 2026-01-16 --- # Sungrow SG7.0RT-P2 ## Identity - **Manufacturer:** Sungrow - **Model:** SG7.0RT-P2 - **Series:** SG5.0/6.0/7.0/8.0/10/12RT - **Rated AC power:** 7 kW - **Type:** Grid-tie - **Phases:** Three-phase ## 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 | 97.6% | 97.6% | Typical | 86 | | MPPT trackers | 2 | 2 | Typical | 46 | | Max DC input voltage | 1100 V | 1000 V | Strong - top 12% | 1 | | Weight per kW | 2.6 | 2.3 | Typical | 153 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 7 kW - **Max apparent power:** 7.70 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 11.7 A - **Grid frequency:** 50 Hz - **Power factor:** >0.99 at rated / adjustable 0.8 leading – 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 10.50 kW - **Max DC voltage:** 1100 V - **MPPT voltage range:** 160 to 1000 V - **Start-up voltage:** 180 V - **MPPT trackers:** 2 - **Max input current per MPPT:** 32.0 A - **Max short-circuit current per MPPT:** 40.0 A ### Efficiency - **European efficiency:** 97.6 % - **Max efficiency:** 98.3 % ### Physical - **Dimensions:** 480 × 370 × 195 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, Ethernet, Display - **Protocols:** WLAN, Ethernet, RS485, DI, DO - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Certifications:** IEC/EN 61000-6-1/2/3/4, IEC 61000-3-2/3/11/12, IEC/EN 62109-1/2, IEC 61727, IEC 62116, IEC 61683, IEC 60068-2-1/2/14/30/64/27, IEC TS 62910, IEC 60529, EN 50530, AS/NZS 4777.2:2020, VDE-AR-N-4105, DIN VDE 0126-1-1/A1, EN 50549-1, DEWA, VFR 2019, UTE C15-712-1, PSE NC RfG, NTS 2.0, UNE 217001, UNE 217002, MEA/PEA, G98, G99, CEI-021 ### Pros - **97.9% European Efficiency Rating** - The datasheet-confirmed European efficiency of 97.9% (peak 98.5%) places this series above the typical 97.0-97.5% average for the three-phase 5-12 kW segment. Under Poland's variable irradiance conditions, this translates into a measurably higher annual energy yield. - **#1 Bankability Ranking per BloombergNEF 2025** - Sungrow ranked first in the BloombergNEF Inverter Bankability Survey 2025 for the sixth consecutive year, achieving 100% brand recognition among respondents. This simplifies project financing for commercial installations and substantially reduces supplier risk. - **Wide MPPT Start-Up Window from 180 V DC** - Energy production begins at just 180 V DC input voltage (operating range 200-1000 V DC), enabling generation under low-irradiance conditions. This is a significant advantage in the Polish climate, where morning hours and seasonal transition periods account for a considerable share of annual yield. - **IP65 as Standard - No Outdoor Enclosure Surcharge** - IP65 protection is a factory-standard feature, not a premium option, allowing direct outdoor wall mounting without an additional enclosure. This simplifies system design and reduces installation costs compared to models that require a separate weatherproof housing. - **Multi-Protocol Monitoring Included Out of the Box** - Wi-Fi, Ethernet, and RS485 are built in as standard; iSolarCloud support with OTA firmware updates eliminates the need to purchase additional communication gateways - an added cost commonly associated with competing brands such as Fronius. ### Cons - **Asymmetric MPPT Configuration on 7-12 kW Models** - The SG7.0/8.0/10/12RT models feature a 2+1 string arrangement (MPPT1: 2 strings, MPPT2: 1 string) for a total of 3 DC inputs. Competing inverters in this class - such as the SMA STP 10.0 with a 2+2 configuration - offer 4 string inputs, providing greater design flexibility for multi-roof installations or string runs of varying lengths. ## About this series The Sungrow SG5.0/6.0/7.0/8.0/10/12RT series are **three-phase grid-tie inverters** designed for residential and small to medium commercial installations, where high yield and stable operation under various conditions are key priorities. The use of **two independent MPPTs** simplifies the design of rooftop systems with panels on two different tilts or facing different directions, while also improving performance optimization during partial shading - without the need for a complex layout. Real-world performance in Poland is influenced by **high European efficiency**, meaning the inverter's effectiveness in typical operating conditions (variable sunlight and temperatures), translating to better annual energy production. Daily operation also relies on **24/7 monitoring** and remote support - accessible via popular communication interfaces (WiFi, Ethernet, RS485) and the ability to operate and service through an application, including software updates. These are not hybrid inverters, so **they are not designed for direct integration with energy storage systems** - they excel in situations where reliable grid connection and clear oversight of the installation are the main priorities. ## Questions ### What is the warranty on inverters from the Sungrow SG5.0/6.0/7.0/8.0/10/12RT series? The standard manufacturer's warranty on Sungrow SG RT series inverters is 10 years. Sungrow maintains an official local presence in Poland (Sungrow Polska Sp. z o.o., headquartered in Warsaw), which streamlines warranty handling and on-site service. The extended warranty period, combined with the manufacturer's Tier 1 standing, provides peace of mind throughout the entire first decade of system operation. ### Will the Sungrow SG12RT inverter perform well under partial roof shading? Yes. The inverter features 2 independent MPPT trackers, allowing the PV array to be split into two separately optimized strings. When shading falls on one section of the roof, the second MPPT continues to operate without interference, minimizing energy losses. This is a practical solution for roofs with chimneys, dormers, or installations spanning two differently oriented roof planes. ### Can the Sungrow SG5.0/6.0/7.0/8.0/10/12RT inverter be connected to a battery or energy storage system? No. The SG RT series consists of on-grid (grid-tied) inverters that do not support direct integration with energy storage systems. If battery charging capability and off-grid operation during grid outages are required, consider Sungrow's hybrid inverter models from the SH RT series, which are designed for use with battery storage. ### What is the efficiency of the Sungrow SG12RT inverter, and does it matter under Polish climate conditions? The SG RT series achieves a maximum efficiency of 98.5%. Its high European efficiency rating reflects real-world performance under variable irradiance and temperature conditions typical of Poland. In practice, this translates to less energy lost during DC-to-AC conversion, which positively impacts annual net metering settlements for prosumers. ### How can I monitor the operation of the Sungrow SG5.0/6.0/7.0/8.0/10/12RT inverter in real time? The SG RT series is equipped with Wi-Fi, Ethernet, and RS485 communication interfaces. Monitoring is carried out via the iSolarCloud platform and its companion mobile app, which provides 24/7 real-time production visibility. The same application can be used to commission the inverter after installation, perform firmware updates, and carry out basic service tasks remotely. ### What PV installations is the Sungrow SG5.0/6.0/7.0/8.0/10/12RT series suited for, and does it require a three-phase grid connection? Yes, these are three-phase, on-grid inverters designed for installations ranging from 5 to 12 kW. They are well suited for single-family homes with a three-phase grid connection as well as small commercial facilities. The wide MPPT voltage range and low start-up voltage (from as little as 180 V) provide flexibility in module selection, while the IP65-rated enclosure allows installation both indoors and outdoors. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/ds-20231113-sg5-0-6-0-7-0-8-0-10-12rt-p2-datasheet-v2-en-8da3f080fd92.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MOD 7000TL3-X](https://comparepv.com/inverter/growatt-mod-7000tl3-x) | 7 kW | 98.1% | 2 | 14.0 kg | +0.5 pp efficiency, 4.0 kg lighter | | [Growatt MOD 7KTL3-X2(Pro)](https://comparepv.com/inverter/growatt-mod-7ktl3-x2-pro) | 7 kW | 98.1% | 2 | 14.6 kg | +0.5 pp efficiency, 3.4 kg lighter | | [Sungrow SG5.0RT](https://comparepv.com/inverter/sungrow-sg5-0rt) | 7 kW | 97.7% | 2 | 18.0 kg | Similar on paper | | [Deye SUN-7K-G03](https://comparepv.com/inverter/deye-sun-7k-g03) | 7 kW | 97.5% | 2 | 10.0 kg | 8.0 kg lighter | | [Growatt MIN 7000TL-X(E)](https://comparepv.com/inverter/growatt-min-7000tl-x-e) | 7 kW | 97.3% | | 18.2 kg | Similar on paper | | [SOFAR 7KTLM-G3](https://comparepv.com/inverter/sofar-solar-sofar-7ktlm-g3) | 7 kW | 97.3% | 3 | 17.5 kg | +1 MPPT | | [GoodWe GW7000-MS](https://comparepv.com/inverter/goodwe-gw7000-ms) | 7 kW | 97.3% | 3 | 22.5 kg | +1 MPPT, 4.5 kg heavier | | [Ginlong Solis S6-GR1P7K03-NV-ND](https://comparepv.com/inverter/ginlong-solis-s6-gr1p7k03-nv-nd) | 7 kW | 97.1% | 3 | 16.1 kg | -0.5 pp efficiency, +1 MPPT, 1.9 kg lighter | --- Source: https://comparepv.com/inverter/sungrow-sg7-0rt-p2