--- title: "Huawei SUN2000-4.6KTL-L1 Hybrid Inverter: Specs & Prices | ComparePV" description: "Huawei SUN2000-4.6KTL-L1 4.6 kW hybrid inverter: 6 shop offers from 575 €. Specs: 97.7% European efficiency, 2 MPPT, 600 V max DC input, 12.0 kg." source: "https://comparepv.com/inverter/huawei-sun2000-4-6ktl-l1" updated: 2026-10-11 --- # Huawei SUN2000-4.6KTL-L1 ## Identity - **Manufacturer:** Huawei - **Model:** SUN2000-4.6KTL-L1 - **Series:** SUN2000-KTL-L1 - **Rated AC power:** 4.6 kW - **Type:** Hybrid - **Phases:** Single-phase - **Battery port:** yes ## 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.solarkopen.nl](https://comparepv.com/go/111449) | Netherlands | 575 € incl. VAT | 125 €/kW | In stock | Last read 11 Oct 02:25 | | [mon-shopping-solaire.fr](https://comparepv.com/go/23279) | France | 769.89 € incl. VAT | 167.37 €/kW | Not stated | Last read 11 Oct 03:49 | | [Sklep Soltech](https://comparepv.com/go/6245) | Poland | 2 934.21 zł net | 637.87 zł/kW | Not stated | Last read 11 Oct 03:29 | | [shop.solarprofi-24.de](https://comparepv.com/go/185889) | Germany | 899 € incl. VAT | 195.43 €/kW | In stock | Last read 11 Oct 01:13 | | [livre.pt](https://comparepv.com/go/128379) | Portugal | 999.99 € net | 217.39 €/kW | Not stated | Last read 11 Oct 04:31 | | [tab-solar.com](https://comparepv.com/go/99927) | Spain | 1 297.99 € incl. VAT | 282.17 €/kW | Not stated | Last read 11 Oct 00:44 | ## 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 | 97.7% | 97.2% | Strong - top 13% | 29 | | MPPT trackers | 2 | 2 | Typical | 13 | | Max DC input voltage | 600 V | 600 V | Typical | 94 | | Weight per kW | 2.6 | 3.3 | Typical | 116 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 4.6 kW - **Max AC power:** 5.00 kW - **Max apparent power:** 5.00 kVA - **Phases:** Single-phase - **Nominal AC voltage:** 230 V - **Max AC current:** 20.9 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading ... 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 6.90 kW - **Max DC voltage:** 600 V - **MPPT voltage range:** 90 to 560 V - **Start-up voltage:** 100 V - **MPPT trackers:** 2 - **Max input current per MPPT:** 12.5 A - **Max short-circuit current per MPPT:** 18.0 A ### Efficiency - **European efficiency:** 97.7 % - **Max efficiency:** 98.4 % ### Battery - **Battery port:** Yes - **Battery voltage:** 350–450 Vdc (LG Chem RESU 7H\_R/10H\_R) or 350–560 Vdc (HUAWEI Smart ESS 5–30 kWh) - **Max charge current:** 15.0 A - **Max discharge current:** 15.0 A ### Physical - **Dimensions:** 365 × 365 × 156 mm - **Weight:** 12.0 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 - **Protocols:** RS485, WLAN (built-in), Ethernet (via Smart Dongle WLAN-FE, optional), Cellular 4G/3G/2G (via Smart Dongle-4G, optional) - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Certifications:** EN/IEC 62109-1, EN/IEC 62109-2, IEC 62116, AS/NZS 4777.2:2020 ### Pros - **European Efficiency of 96.7-97.8%** - Depending on the power variant (2-6 kW), the series achieves a European efficiency of 96.7-97.8% and a peak efficiency of 98.2-98.4%, placing it above the typical median for single-phase hybrid inverters (~96%). This translates to measurably lower conversion losses under irradiance profiles representative of Central European conditions. - **2 Independent MPPTs (90-560 V)** - Two separate MPPT channels - each covering a voltage range of 90-560 V and supporting up to 12.5 A - enable independent maximum power point tracking for two strings with different orientations or tilt angles. In practice, this minimizes yield losses under partial shading or non-uniform irradiance conditions. - **Natural Convection Cooling - No Fan** - The passive cooling design eliminates all moving parts, resulting in silent operation and no risk of fan failure in high-dust environments. It also extends the unit's mechanical service life and reduces preventive maintenance requirements. - **AI-Based IV Curve Diagnostics and FusionSolar Monitoring** - The built-in IV curve diagnostic engine, powered by AI algorithms, automatically detects anomalies - including shading, module degradation, and physical damage - and generates corrective recommendations remotely, without requiring an on-site service visit. Standard communication is via Wi-Fi, with optional RS485, Ethernet, or 4G connectivity. - **10-Year Warranty with Optional Extension to 20 Years** - The standard manufacturer warranty covers 10 years and includes a replacement unit along with logistics costs for the exchange. A paid extension to 20 years is available, while most competitors in the segment (e.g., Fronius, SolarEdge) offer a base warranty of 5-10 years. The warranty period begins on the 180th day from factory shipment or from the installation date, whichever comes first. ### Cons - **EPS Only Available with LUNA2000 Battery** - Emergency Power Supply (EPS/backup) functionality requires a Huawei LUNA2000 energy storage system to be connected. Without a battery, the inverter shuts down on grid loss like a standard grid-tied unit - unlike, for example, the Fronius Symo GEN24, which supports EPS without a battery. This means an additional upfront cost to enable backup capability, along with a dependency on the Huawei ecosystem. - **AC Output Limited to 6 kW** - The series covers models from 2 to 6 kW AC output, which may be insufficient for systems exceeding 6 kWp or for buildings with higher simultaneous load demand. Applications requiring greater single-phase power capacity will need to step up to the M1 series or adopt a three-phase solution. ## About this series The Huawei SUN2000-KTL-L1 series are single-phase hybrid inverters for grid-connected installations, specifically designed for homes and small commercial properties, emphasizing flexibility in operation and readiness for energy storage. A key advantage is the **two independent MPPTs**, which facilitate achieving high yields even with panels facing different orientations or partial shading-each string tracks its own maximum power point separately, stabilizing energy production in challenging conditions. In practice, high European efficiency is also crucial, meaning a genuinely better match for the inverter's operation to typical climatic conditions in Poland and daily solar radiation profiles. Monitoring is conveniently done via FusionSolar-standardly through Wi-Fi, with the option for additional communication via RS485 and expandability to Ethernet or 4G, simplifying integration with energy management systems. These devices are compatible with Huawei LUNA2000 energy storage systems and offer comprehensive safety features along with a complete set of certificates required for the EU market. The standard manufacturer's warranty is **10 years**. ## Questions ### What is the manufacturer's warranty on the Huawei SUN2000-KTL-L1 inverter series? The standard manufacturer's warranty on the Huawei SUN2000-KTL-L1 series is 10 years and covers factory defects. Huawei also offers extended warranty options of 15 or 20 years. The warranty period begins 30 days from the date of shipment from the factory. This is one of the longest standard warranty periods in the single-phase inverter class for residential installations. ### Can the Huawei SUN2000-KTL-L1 inverter be connected to the LUNA2000 energy storage system? Yes, the SUN2000-KTL-L1 series is fully compatible with Huawei LUNA2000 battery storage systems. The battery connects directly via DC terminals and the RS485 bus. The system is modular - capacity can be scaled from 5 kWh up to 30 kWh. The storage unit uses LiFePO4 cells, and the entire system is managed through the FusionSolar application. ### What is the purpose of the 2 independent MPPT inputs on the Huawei SUN2000-KTL-L1 inverter, and when does it matter? Two independent MPPT inputs allow panels installed on two different roof faces (e.g., south and west) to be connected without mutually reducing each other's output. Each MPPT tracker independently seeks its own maximum power point, which is particularly important in cases of partial shading caused by chimneys, antennas, or dormers. In practice, this results in higher energy yields under the typical conditions of residential rooftop installations. ### How does system monitoring work with the Huawei SUN2000-KTL-L1 inverter? The inverter communicates by default via Wi-Fi with the FusionSolar application, available on smartphones and through a web browser. For installers and larger installations, RS485 communication is available, along with optional expansion via an Ethernet or 4G module. The application displays real-time data including current production, consumption, battery storage status, and historical performance records. ### What is the efficiency of the Huawei SUN2000-KTL-L1 inverter, and what does it mean in practice? The peak conversion efficiency is 98.4%, while the European efficiency - measured accounting for the variable irradiance typical of Central European climates - reaches 96.7-97.3% depending on the power model. In practice, a higher European efficiency translates to measurably more kilowatt-hours delivered to the grid or battery storage over the course of a year, especially on overcast days and at low sun angles. ### Is the Huawei SUN2000-KTL-L1 inverter suitable for installation in a single-family home in Poland? Yes, the SUN2000-KTL-L1 series is a single-phase hybrid inverter designed specifically for single-family residential applications. Available power ratings are 2, 3, 3.68, 4, 4.6, 5, and 6 kW; Polish grid regulations cap the power fed into a single-phase connection at 3.68 kW. The low weight (approx. 12 kg) and IP65 protection rating allow installation both in a garage and outdoors on the building exterior. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/56514410863523bffee3d6-61c73ef422f9.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Huawei SUN2000L-4.6KTL](https://comparepv.com/inverter/huawei-sun2000l-4-6ktl) | 4.6 kW | 98.0% | 2 | 10.6 kg | 1.4 kg lighter | | [Growatt SPM 4600TL-HU](https://comparepv.com/inverter/growatt-spm-4600tl-hu) | 4.6 kW | 97.6% | 2 | 26.0 kg | 14.0 kg heavier | | [Growatt MIN 4600TL-XH](https://comparepv.com/inverter/growatt-min-4600tl-xh) | 4.6 kW | 97.5% | 2 | 10.8 kg | 1.2 kg lighter | | [Growatt MIN 4600TL-XA](https://comparepv.com/inverter/growatt-min-4600tl-xa) | 4.6 kW | 97.5% | | 10.8 kg | 1.2 kg lighter | | [Growatt MIN 4600TL-XH2](https://comparepv.com/inverter/growatt-min-4600tl-xh2) | 4.6 kW | 97.5% | 2 | 10.8 kg | 1.2 kg lighter | | [SolarEdge SE8K (Three Phase, Delta Grids)](https://comparepv.com/inverter/solaredge-se8k-three-phase-delta-grids) | 4.6 kW | 97.5% | | 16.4 kg | 4.4 kg heavier | | [Fronius Primo GEN24 4.6](https://comparepv.com/inverter/fronius-international-fronius-primo-gen24-4-6) | 4.6 kW | 97.2% | 2 | 15.4 kg | -0.5 pp efficiency, 3.4 kg heavier | | [Fronius Primo GEN24 4.6 Plus](https://comparepv.com/inverter/fronius-international-fronius-primo-gen24-4-6-plus) | 4.6 kW | 97.2% | 2 | 15.4 kg | -0.5 pp efficiency, 3.4 kg heavier | --- Source: https://comparepv.com/inverter/huawei-sun2000-4-6ktl-l1