--- title: "Growatt MIC 3300TL-X2 (Pro) Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Growatt MIC 3300TL-X2 (Pro) 3.3 kW grid-tie inverter. Specs: 97.1% European efficiency, 1 MPPT, 550 V max DC input, 6.2 kg, 10 yrs warranty." source: "https://comparepv.com/inverter/growatt-mic-3300tl-x2-pro" updated: 2026-01-16 --- # Growatt MIC 3300TL-X2 (Pro) ## Identity - **Manufacturer:** Growatt - **Model:** MIC 3300TL-X2 (Pro) - **Series:** MIC X2 - **Rated AC power:** 3.3 kW - **Type:** Grid-tie - **Phases:** Single-phase ## How it compares Compared against 362 inverters from 3 to 6 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | 97.1% | 97.2% | Typical | 148 | | MPPT trackers | 1 | 2 | Weak - bottom 7% | 222 | | Max DC input voltage | 550 V | 600 V | Typical | 197 | | Weight per kW | 1.9 | 3.3 | Strong - top 8% | 28 | | Warranty | 10 yrs | 5 yrs | Strong - top 20% | 15 | ## Specification ### AC output - **Rated AC power:** 3.3 kW - **Max apparent power:** 3.30 kVA - **Phases:** Single-phase - **Nominal AC voltage:** 230 V - **Max AC current:** 14.3 A - **Power factor:** 0.8 leading … 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 4.95 kW - **Max DC voltage:** 550 V - **MPPT voltage range:** 50 to 550 V - **Start-up voltage:** 50 V - **MPPT trackers:** 1 - **Max input current per MPPT:** 18.0 A - **Max short-circuit current per MPPT:** 24.0 A ### Efficiency - **European efficiency:** 97.1 % - **Max efficiency:** 97.6 % ### Physical - **Dimensions:** 274 × 254 × 138 mm - **Weight:** 6.2 kg - **Enclosure:** IP66 - **Cooling:** natural - **Operating temperature:** -30 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Display - **Protocols:** RS485, USB, WiFi, RF (optional), GPRS (optional), LAN (optional) - **Protection:** AFCI, Surge protection ### Warranty and certificates - **Warranty:** 10 years - **Certifications:** CE, UKCA, AS 4777, AS/NZS 3100, CEI 0-21, VDE-AR-N 4105, VDE 0126-1-1, VFR 2019, EN 50549-1, IEC 60068, IEC 61683, IEC 62116, IEC 62109, IEC 61727, INMETRO, G98, C10/C11, UNE 217001, UNE 206007, RD122, IEC 60800 ### Pros - **European efficiency: 97.0-97.1%** - The European-certified efficiency of 97.0% (for the 2000TL-X2 model) and 97.1% (for the 3000TL-X2 model) places the MIC X2 among the leading single-phase inverter models in its segment. Its performance is comparable to that of more expensive SMA or Fronius inverters, which achieve similar values at a purchase price 20-40% higher. - **Compact design, easy assembly** - With dimensions of 274 x 254 x 138 mm and a weight of just 6.2 kg, while maintaining an IP66 sealing, it can be installed by a single person without additional equipment. Touch-sensitive buttons and an OLED display simplify configuration and on-site diagnostics. - **AFCI Option in the Series** - Arc Fault Circuit Interrupter (AFCI) detection is available as a standard feature in MIC X2 models, and is increasingly being required by insurers and investors. It eliminates a potential fire hazard without the need for an external module, thereby reducing the overall system cost. - **Remote monitoring of WiFi/Ethernet** - Integration with the ShineServer platform (Shine WiFi-X or Ethernet-X data logger) enables real-time production monitoring, alarming, and remote diagnostics without additional subscription costs. The API also allows integration with independent SCADA systems for installers. - **Price 20-40% lower than premium brands** - When compared to European standards, the MIC X2 is significantly less expensive than SMA Sunny Boy or Fronius Primo in the same power range (750-3300 W), making the series an attractive option for prosumer installations, where the return on investment is a key factor in the decision-making process. ### Cons - **Only 1 MPPT tracker** - The MIC X2 series features a single MPPT input (range of 50-550 V), which prevents the independent control of two panel orientations (e.g., east-west) without the use of external optimizers. The Fronius Primo 3.0-5.0 inverters, which are competitive products, offer 2 MPPT within a similar power range, providing greater design flexibility. - **Lack of Tier-1 BNEF (bankable) status** - Growatt is not listed on the BloombergNEF Tier-1 Bankable Inverter Manufacturers list (H1 2026). For installations financed with bank loans or leases, some financial institutions require certified bankability status, which may lengthen or complicate the project approval process for equipment from this brand. - **Higher defect rate than premium brands** - Independent market analyses estimate Growatt's failure rate at 2-5% for models from 2018-2025, while SMA and Fronius maintain a rate of 1-3%. The average turnaround time for warranty repairs is 23-40 days, compared to 3-5 working days for leading European manufacturers that have local spare parts warehouses in Poland. ## About this series Growatt MIC X2 series are single-phase grid-tie inverters designed for home installations, where stable operation, simple configuration, and high reliability are key. They stand out among many competitors due to their **compact enclosure**, facilitating installation and featuring an intuitive interface with a display and touch buttons. The application of a **MPPT tracker** allows precise tracking of the maximum power point, resulting in better energy yields under varying sunlight conditions - especially when panels operate under different conditions during the day. Another significant advantage is **high European efficiency**, meaning truly better energy conversion in typical climatic conditions in Poland, thus generating more kWh annually. The MIC X2 supports convenient monitoring and remote service via the Growatt platform, with communication through Wi-Fi or Ethernet (depending on the data logger used), simplifying production control and diagnostics. Regarding safety, features such as **AFCI** are available, and the equipment comes with a full set of certificates required for on-grid operation, along with a warranty in line with the manufacturer's policy. ## Questions ### What power ratings are available for the Growatt MIC X2 inverter series, and how do you select the right model? The Growatt MIC X2 series covers single-phase models ranging from 750 W to 3300 W, making it well suited for typical residential PV installations in the 2-10 kWp range. When sizing the inverter, factor in the peak power of the PV array and ensure the selected model is neither consistently overloaded nor significantly underloaded. A single MPPT tracker handles a string of modules with a DC input voltage range of 50 V to 550 V. ### What warranty does the Growatt MIC X2 inverter series carry? The standard manufacturer's warranty for the MIC X2 series is 5 years from the date of installation, provided installation occurs no later than 6 months after factory shipment. Growatt offers a free warranty extension to 10 years if the unit is registered within 12 months of purchase. A paid extension to 15 years is also available through the manufacturer's authorized service network. ### Is the Growatt MIC X2 inverter quiet in operation, and does it include a cooling fan? Yes, the MIC X2 series relies entirely on natural convection cooling and contains no mechanical fan. This results in completely silent operation, eliminates moving parts, and reduces the risk of long-term failure. This is a notable advantage when the inverter is installed in a boiler room, garage, or any other indoor space where fan noise could be disruptive. ### How does system monitoring work with the Growatt MIC X2 inverter? The inverter requires a separate data logger: either the ShineWiFi-X (wireless connection) or the ShineWiLan-X2 (Wi-Fi or Ethernet). Once the dongle is connected, real-time generation data becomes accessible through the ShinePhone mobile app or via the ShineServer web portal. This enables remote monitoring of energy yield, remote diagnostics, and review of historical production data without an on-site visit. ### What is AFCI in the Growatt MIC X2 inverter, and is the option worth the additional cost? AFCI (Arc Fault Circuit Interrupter) is a protection circuit that detects hazardous arc faults in the DC wiring of a PV installation, which can otherwise lead to fire. In the MIC X2 series, AFCI is an optional feature available on request. It is particularly worth considering for rooftop installations where cable runs pass through insulation or where wiring access is difficult, making early detection of cable damage challenging. ### What is the efficiency of the Growatt MIC X2 inverter, and how much energy can realistically be gained in Poland? The MIC X2 series achieves a maximum efficiency of 97.6%. However, for the Polish climate, the European efficiency (EU efficiency) figure is the more relevant metric, as it accounts for a typical irradiance profile with many hours of partial-load operation. A high EU efficiency rating translates directly into additional kilowatt-hours generated per year compared with inverters carrying a lower figure, thereby shortening the overall return on investment period. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/mic-1000-3300tl-x2-pro-datasheet-en-202509-fa8263c002fa.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [SOFAR 3.3KTL2-G3](https://comparepv.com/inverter/sofar-solar-sofar-3-3ktl2-g3) | 3.3 kW | 97.2% | 1 | 7.3 kg | 1.1 kg heavier | | [Growatt MIC 3300TL-X](https://comparepv.com/inverter/growatt-mic-3300tl-x) | 3.3 kW | 97.1% | 1 | 6.2 kg | Similar on paper | | [Growatt MIC 3300TL-X2](https://comparepv.com/inverter/growatt-mic-3300tl-x2) | 3.3 kW | 97.1% | 1 | 6.2 kg | Similar on paper | | [SOFAR 3300TL-G3](https://comparepv.com/inverter/sofar-solar-sofar-3300tl-g3) | 3.3 kW | | 1 | | Similar on paper | | [SolarEdge SE3500H (HD‑Wave, single phase)](https://comparepv.com/inverter/solaredge-solaredge-se3500h-hd-wave-single-phase) | 3.5 kW | 98.8% | | 7.8 kg | +0.2 kW, +1.7 pp efficiency, 1.6 kg heavier | | [Fronius Primo 3.5-1](https://comparepv.com/inverter/fronius-international-fronius-primo-3-5-1) | 3.5 kW | 96.8% | 2 | 21.5 kg | +0.2 kW, +1 MPPT, 15.3 kg heavier | | [SolarEdge SE3000H (HD‑Wave, single phase)](https://comparepv.com/inverter/solaredge-solaredge-se3000h-hd-wave-single-phase) | 3 kW | 98.3% | | 7.8 kg | -0.3 kW, +1.2 pp efficiency, 1.6 kg heavier | | [Solis-3P3K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p3k-4g) | 3 kW | 97.8% | 2 | 17.3 kg | -0.3 kW, +0.7 pp efficiency, +1 MPPT | --- Source: https://comparepv.com/inverter/growatt-mic-3300tl-x2-pro