--- title: "Growatt MIN 4200TL-X2 (Pro E) Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Growatt MIN 4200TL-X2 (Pro E) 4.2 kW grid-tie inverter. Specs: 97.2% European efficiency, 1 MPPT, 550 V max DC input, 10.8 kg, 10 yrs warranty." source: "https://comparepv.com/inverter/growatt-min-4200tl-x2-pro-e" updated: 2026-01-16 --- # Growatt MIN 4200TL-X2 (Pro E) ## Identity - **Manufacturer:** Growatt - **Model:** MIN 4200TL-X2 (Pro E) - **Series:** MIN TL-X2 - **Rated AC power:** 4.2 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 | 97.2% | 97.2% | Typical | 119 | | MPPT trackers | 1 | 2 | Weak - bottom 7% | 222 | | Max DC input voltage | 550 V | 600 V | Typical | 197 | | Weight per kW | 2.6 | 3.3 | Typical | 108 | | Warranty | 10 yrs | 5 yrs | Strong - top 20% | 15 | ## Specification ### AC output - **Rated AC power:** 4.2 kW - **Max apparent power:** 4.20 kVA - **Phases:** Single-phase - **Nominal AC voltage:** 230 V - **Max AC current:** 19.0 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading ... 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 6.30 kW - **Max DC voltage:** 550 V - **MPPT voltage range:** 40 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:** 97.2 % - **Max efficiency:** 98.4 % ### Physical - **Dimensions:** 375 × 350 × 158 mm - **Weight:** 10.8 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, Wi-Fi, GPRS (optional), RF (optional), LAN (optional) - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Warranty:** 10 years - **Certifications:** CE, UKCA, CEI 0-21, VDE-AR-N 4105, VDE 0126-1-1, VFR 2019, EN 50549-1, IEC 62116, IEC 61727, IEC 62109-1, IEC 62109-2, UNE 206007, PO12.2, IEEE 1547, UL 1741, C10/C11, UNE 217001 ### Pros - **European efficiency: 97.5%** - The MIN TL-X2 series achieves European efficiency levels of 97.5%, and peak efficiency of 98.1-98.4% (depending on power), placing it above the typical median of budget-class single-phase inverters (~96.5-97.0%). In Polish conditions, where year-round high solar irradiance is uncommon, the weighted (European) efficiency has a direct impact on annual energy yield. - **2 independent MPPT controllers with a current capacity of up to 16A** - Each MPPT tracker supports an input of up to 16A, which allows for the connection of modern, high-current modules (e.g., half-cut 182 mm, 210 mm). The independence of the trackers allows for the design of installations with panels on different roof sections or in partially shaded areas, without significant losses in energy yield. - **AFCI + SPD Type II DC, according to standard** - The built-in SPD (surge protection device) of type II on the DC side, along with the optional AFCI (arc fault detection) feature, are rare in this price range - competitors often offer them only as more expensive add-ons. The AFCI meets the requirements of NEC 690.11 and EN 62109 standards, which enhances the fire safety of the installation. - **IP65 + convection cooling** - The IP65 enclosure provides complete protection against dust and water ingress, and the absence of a fan eliminates a major point of failure in inverters of this class. Natural cooling extends the actual lifespan of the device - moving parts account for approximately 30-40% of all inverter failures. - **Ready for battery storage (battery-ready)** - Selected variants of the series are designed to be expanded with a battery storage system in either DC or AC configuration, which protects the prosumer's investment by eliminating the need to replace the inverter when the system is later expanded with batteries (e.g., Growatt ARK or external hybrid systems). ### Cons - **Not classified as a Tier-1 bankable entity by BNEF** - Growatt is not listed on the BloombergNEF Tier-1 Bankable Inverter Manufacturers list (as of 2025-2026), which could represent a formal barrier for projects requiring bank guarantees or financing from institutions using BNEF criteria. For a typical prosumer installation, this has minimal practical implications, but it reduces the manufacturer's perceived financial credibility. - **Recall of 8kW models (Australia, 2021)** - In 2021, Growatt recalled hundreds of 8kW inverters in Australia due to manufacturing defects. This issue concerned an earlier generation of inverters, but independent industry portals (SolarQuotes.com.au, paradisesolarenergy.com) are reporting it as evidence of inconsistent quality control across different production batches. - **Technical support below premium level** - Independent installer reviews (on SolarQuotes.com.au and ParadiseSolarEnergy.com) consistently highlight difficulties in obtaining satisfactory after-sales support from Growatt, particularly in terms of response times and the availability of technical engineers. The risk increases when installations are carried out without an authorized service partner in Poland. ## About this series Growatt MIN TL-X2 series are modern grid-tie **inverters (on-grid)** designed for home installations where stable operation, high self-consumption, and user-friendly handling are crucial. The use of **2 independent MPPTs** facilitates system design with panels on different roof sections or partial shading - the inverter better adapts the working point, which translates directly into energy yield during the day. The high European efficiency means the device operates effectively not only under ideal conditions but also under the typical weather variations and temperature fluctuations common in Poland. A notable advantage is the **surge protective device (SPD) type II on the DC side** and the optional **AFCI** function, which enhances safety by detecting hazardous electric arcs. Monitoring can be achieved through Wi-Fi or LAN modules and the Growatt app, allowing convenient tracking of energy production and diagnostics. Selected variants of the device are prepared for future expansion with energy storage systems. In practice, this is an excellent choice for conscious prosumers who expect control and reliability, as well as a 10-year warranty. ## Questions ### What warranty does the Growatt MIN TL-X2 inverter carry and what does it cover? The Growatt MIN TL-X2 is covered by a 10-year manufacturer's warranty. In Poland, warranty service is handled by Growatt Poland, headquartered in Ruda Śląska. Under the warranty terms, a defective unit is replaced within approximately 5 business days. The warranty covers manufacturing defects and failures arising from normal operation; it does not cover mechanical damage caused by the user. ### Is the Growatt MIN TL-X2 suitable for installations with panels on two separate roof faces? Yes, the MIN TL-X2 series is equipped with 2 independent MPPT inputs, meaning each input can manage a separate string of panels with a different orientation or tilt angle. This allows panels installed on, for example, a south-facing and an east-facing roof face to operate without mutually degrading each other's performance. This solution is particularly recommended for the typical Polish dual-pitched roof. ### What power range does the Growatt MIN TL-X2 series cover and what type of home is it suitable for? The MIN TL-X2 series spans models from 2,500 W to 6,000 W of AC output power. These single-phase inverters are designed for residential and prosumer installations. The 3,000-4,000 W models are well suited to a typical household consuming 3,000-5,000 kWh per year, while the 5,000-6,000 W variants are appropriate for larger homes or buildings equipped with air conditioning. ### What is AFCI in the Growatt MIN TL-X2 inverter and is it worth paying extra for this option? AFCI (Arc Fault Circuit Interruption) is a protection circuit that detects hazardous DC arc faults in the PV installation - faults that can occur, for example, at a damaged cable insulation point or a loose MC4 connector. Arc faults are one of the leading causes of fires in PV systems. The AFCI option in the MIN TL-X2 series enhances building safety, making it a justified investment for rooftop installations on residential buildings. ### Can the Growatt MIN TL-X2 inverter be expanded with a battery storage system in the future? Selected variants of the MIN TL-X2 series are designed with future battery storage expansion in mind. Full battery functionality is offered by the MIN TL-XH series, which features a dedicated battery input and is compatible with Growatt's ARK-XH battery modules. Before purchasing, it is advisable to confirm with your installer which specific MIN TL-X2 variant includes the battery-ready feature. ### How does monitoring work for a system with the Growatt MIN TL-X2 inverter and is the app free of charge? The MIN TL-X2 inverter supports Wi-Fi or LAN communication modules (sold separately or included in a bundle). Once connected to the home network, generation data is accessible through the free Growatt app (ShinePhone) and the ShineServer web portal. The app provides real-time visibility into current production, generation history, and diagnostics directly from a smartphone. Both the account and portal access are free of charge. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/min-4200-5000tl-x2-pro-e-datasheet-en-202509-aa463a7ccade.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MIN 4200TL-X2 (Pro)](https://comparepv.com/inverter/growatt-min-4200tl-x2-pro) | 4.2 kW | 97.2% | 2 | 10.8 kg | +1 MPPT | | [Growatt MIN 4200TL-X](https://comparepv.com/inverter/growatt-min-4200tl-x) | 4.2 kW | 97.1% | 2 | 10.8 kg | +1 MPPT | | [SolarEdge EV Charging Single Phase Inverter SE4000H (aka H4000SE / SE4000H)](https://comparepv.com/inverter/solaredge-solaredge-ev-charging-single-phase-inverter-se4000h-aka-h4000se-se4000h) | 4 kW | 99.0% | | 11.4 kg | -0.2 kW, +1.8 pp efficiency | | [SolarEdge SE4000H (HD‑Wave, single phase)](https://comparepv.com/inverter/solaredge-solaredge-se4000h-hd-wave-single-phase) | 4 kW | 98.8% | | 9.0 kg | -0.2 kW, +1.6 pp efficiency, 1.8 kg lighter | | [Solis-3P4K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p4k-4g) | 4 kW | 97.8% | 2 | 17.3 kg | -0.2 kW, +0.6 pp efficiency, +1 MPPT | | [Ginlong Solis S6-GR3P-4K02-NV-ND](https://comparepv.com/inverter/ginlong-solis-s6-gr3p-4k02-nv-nd) | 4 kW | 97.7% | 2 | 14.7 kg | -0.2 kW, +0.5 pp efficiency, +1 MPPT | | [GoodWe GW4K-DT](https://comparepv.com/inverter/goodwe-gw4k-dt) | 4 kW | 97.6% | 2 | 15.0 kg | -0.2 kW, +0.4 pp efficiency, +1 MPPT | | [Growatt MOD 4000TL3-X](https://comparepv.com/inverter/growatt-mod-4000tl3-x) | 4 kW | 97.5% | 2 | 12.5 kg | -0.2 kW, +1 MPPT, 1.7 kg heavier | --- Source: https://comparepv.com/inverter/growatt-min-4200tl-x2-pro-e