--- title: "Growatt MOD 4000TL3-X2 (Pro) Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Growatt MOD 4000TL3-X2 (Pro) 4 kW grid-tie inverter. Specs: 97.5% European efficiency, 2 MPPT, 1100 V max DC input, 14.6 kg, 5 yrs warranty." source: "https://comparepv.com/inverter/growatt-mod-4000tl3-x2-pro" updated: 2026-01-16 --- # Growatt MOD 4000TL3-X2 (Pro) ## Identity - **Manufacturer:** Growatt - **Model:** MOD 4000TL3-X2 (Pro) - **Series:** MOD TL3-X2 - **Rated AC power:** 4 kW - **Type:** Grid-tie - **Phases:** Three-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 | 97.5% | 97.2% | Typical | 50 | | MPPT trackers | 2 | 2 | Typical | 13 | | Max DC input voltage | 1100 V | 600 V | Strong - top 4% | 1 | | Weight per kW | 3.6 | 3.3 | Typical | 206 | | Warranty | 5 yrs | 5 yrs | Typical | 34 | ## Specification ### AC output - **Rated AC power:** 4 kW - **Max AC power:** 4.40 kW - **Max apparent power:** 4.40 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 400 V - **Max AC current:** 6.7 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading … 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 6.00 kW - **Max DC voltage:** 1100 V - **MPPT voltage range:** 140 to 1000 V - **Start-up voltage:** 160 V - **MPPT trackers:** 2 - **Max input current per MPPT:** 20.0 A - **Max short-circuit current per MPPT:** 25.0 A ### Efficiency - **European efficiency:** 97.5 % - **Max efficiency:** 98.3 % ### Physical - **Dimensions:** 387 × 425 × 178 mm - **Weight:** 14.6 kg - **Enclosure:** IP66 - **Cooling:** natural - **Operating temperature:** -25 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Ethernet, Display - **Protocols:** USB, RS485, WiFi, GPRS (optional), LAN (optional), RF (optional) - **Protection:** AFCI, Surge protection ### Warranty and certificates - **Warranty:** 5 years - **Certifications:** CE, G98/99, IEC 62116, IEC 61727, IEC 60068, IEC 61683 ### Pros - **European efficiency of 97.9%** - The datasheet for the MOD TL3-X/X2 series confirms a maximum efficiency of 98.6% and an European efficiency of approximately 97.9%, placing the device in the top quartile of 3-phase prosumer inverters (3-15 kW). The European efficiency (weighted for conditions in central Europe) directly translates to the annual energy yield in Poland. - **Two MPPT (Maximum Power Point Tracking) and DC/AC ratio up to 2.0** - The series offers two independent MPPT inputs with DC/AC ratio support up to 2.0, which allows for oversizing on the PV side without replacing the inverter. In practice, this enables the connection of strings from different orientations or with partial shading, while minimizing losses due to shading. - **Built-in Type II SPD for DC+AC** - The series is standardly equipped with Type II surge protection devices (SPD) on both the DC and AC sides, as well as an optional arc fault detection (AFCI) function. This eliminates the need to purchase external protection devices and simplifies installations that comply with Polish OSD standards. - **Enjoy Wi-Fi and OLED technology at a device's affordable price.** - The built-in Wi-Fi module and OLED display with a touchscreen are factory-installed and do not require separate purchase of communication accessories (e.g., unlike Fronius Primo/Symo, where the Wi-Fi Datamanager is a paid option). Monitoring via the ShinePhone app allows you to track production, alarms, and operating history without additional subscriptions. - **A wide range of power outputs, from 3-15 kW** - The series includes 7 power variants (3, 4, 5, 6, 8, 10, 15 kW) on a unified hardware platform. This allows designers and installers to choose a single solution for both a single-family home and a small commercial building (e.g., an office or shop), simplifying maintenance and the logistics of spare parts. ### Cons - **Not classified as a Tier 1 bankable entity by BNEF** - Growatt does not appear on the list of bankable manufacturers according to BloombergNEF (confirmed in the provided context: tier\_1\_bankable: false). This could result in a rejection of financing or the requirement for additional security for projects financed with bank loans or covered by investment insurance. This is not a significant issue for typical residential or small commercial installations, but it can be a problem for commercial facilities exceeding 50 kW. - **Failure rate exceeding that of premium brands** - Independent market reviews (2024-2025) estimate the failure rate of current Growatt models to be 2-5%, while manufacturers in the premium segment (SMA, Fronius, Huawei) maintain a rate of 1-3%. This difference is smaller than in earlier models before 2018, but it still needs to be considered when evaluating the total cost of ownership (TCO) of long-term installations. - **Warranty service time: 23-40 days** - The reported time to resolve warranty claims in Europe is 23-40 working days, which is significantly longer than that of market leaders (SMA: ~10-14 days, Fronius: ~7-14 days). In high-production commercial installations, this can result in a tangible loss of revenue from energy or contractual penalties. ## About this series Growatt MOD TL3-X2 is a **three-phase grid-tie inverter** designed for modern PV installations, where stable grid operation and high performance are key. The use of **two independent MPPTs** simplifies system design when modules are on different roof pitches or have different orientations, allowing the inverter to more effectively adapt the operating point and minimize losses from partial shading. In practice, **high European efficiency** is also crucial - real performance under typical operating conditions in Poland - translating to better annual energy yield, not just a laboratory result. The MOD TL3-X2 offers comprehensive DC and AC protection features as well as functions required for grid interaction, making commissioning and operation easier. You’ll appreciate **monitoring via the app** and flexible communication options (including WiFi, and wired solutions depending on configuration), making it easy to track production, alarms, and operating history. This is an excellent choice for homes and small to medium-sized commercial properties, where reliability, compliance with standards, and a solid manufacturer warranty are important. ## Questions ### What power ratings does the Growatt MOD TL3-X2 series offer and what types of installations is it designed for? The MOD TL3-X2 series encompasses three-phase grid-tie inverters ranging from 3 kW to 15 kW. Its three-phase AC output makes it suitable for any application requiring a three-phase grid connection - including single-family homes on a three-phase tariff as well as small and medium-sized commercial facilities, workshops, and office buildings. It is not compatible with single-phase installations. ### What is dual MPPT in the MOD TL3-X2 inverter and why does it matter for system design? Two independent MPPT inputs allow PV modules from two separate roof sections or with different orientations - for example, south-facing and east-facing - to be connected and to have their maximum power points tracked independently. As a result, partial shading of one string does not drastically reduce the output of the entire system. This is particularly important on rooftops with dormers, chimneys, or neighboring structures casting shadows. ### What is the European efficiency of the Growatt MOD TL3-X2 inverter and what does it mean for annual energy yield? The European efficiency of the MOD TL3-X2 series reaches approximately 97.9-98.4%, reflecting real-world performance under the variable irradiance conditions typical of a Central European climate - not just full-load laboratory conditions. The higher the European efficiency, the more kilowatt-hours are delivered to the grid or consumed on-site over the course of a full year, which directly shortens the investment payback period. ### What warranty applies to Growatt MOD TL3-X2 inverters and can it be extended? The standard manufacturer's warranty on Growatt MOD TL3-X2 series inverters is 10 years. Growatt offers an extended warranty option of up to 15 years for units rated up to 22 kW. It is advisable to arrange this at the time of purchase, as a longer warranty protects the investment for a substantial portion of the PV system's operational lifetime and is required by some installers when the system is financed through a subsidy program. ### How is the Growatt MOD TL3-X2 inverter monitored and is a separate communication gateway required? Monitoring is handled via the ShinePhone app (Android and iOS), which displays real-time production data, historical performance logs, and any active alarms. The inverter supports wireless communication via Wi-Fi - a Wi-Fi module (ShineWiFi-X or equivalent) connected to the RS232/USB port is sufficient. Wired connectivity via RS485 or Ethernet is also available for installations where the Wi-Fi signal is unreliable. Data is archived in the Growatt cloud and accessible through a web browser at server.growatt.com. ### Can the Growatt MOD TL3-X2 be expanded with an energy storage system in the future? The MOD TL3-X2 series is a pure grid-tie inverter without a built-in hybrid inverter stage - it does not support direct battery connection. If energy storage is planned, the MOD TL3-XH family should be considered instead, as those models include a dedicated battery port and are designed for hybrid systems. Retrofitting an existing MOD TL3-X2 installation with a battery would require either replacing the inverter or integrating an external AC-coupled energy storage system. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/mod-3000-6000tl3-x2-pro-datasheet-en-202411-359ef1387c3a.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [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 | +1.5 pp efficiency, 3.2 kg lighter | | [SolarEdge SE4000H (HD‑Wave, single phase)](https://comparepv.com/inverter/solaredge-solaredge-se4000h-hd-wave-single-phase) | 4 kW | 98.8% | | 9.0 kg | +1.3 pp efficiency, 5.6 kg lighter | | [Solis-3P4K-4G](https://comparepv.com/inverter/ginlong-solis-solis-3p4k-4g) | 4 kW | 97.8% | 2 | 17.3 kg | 2.7 kg heavier | | [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 | Similar on paper | | [GoodWe GW4K-DT](https://comparepv.com/inverter/goodwe-gw4k-dt) | 4 kW | 97.6% | 2 | 15.0 kg | Similar on paper | | [Growatt MOD 4000TL3-X](https://comparepv.com/inverter/growatt-mod-4000tl3-x) | 4 kW | 97.5% | 2 | 12.5 kg | 2.1 kg lighter | | [SOFAR 4.4KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-4-4ktlx-g3) | 4 kW | 97.5% | 2 | 17.0 kg | 2.4 kg heavier | | [GoodWe GW4000-DT](https://comparepv.com/inverter/goodwe-gw4000-dt) | 4 kW | 97.5% | 2 | 24.0 kg | 9.4 kg heavier | --- Source: https://comparepv.com/inverter/growatt-mod-4000tl3-x2-pro