--- title: "Growatt SPF 12000T DVM Off-grid Inverter: Specs & Prices | ComparePV" description: "Growatt SPF 12000T DVM 12 kW off-grid inverter: 1 shop offer from 2 399 $. Specs: 150 V max DC input, 75.0 kg." source: "https://comparepv.com/inverter/growatt-spf-12000t-dvm" updated: 2026-10-10 --- # Growatt SPF 12000T DVM ## Identity - **Manufacturer:** Growatt - **Model:** SPF 12000T DVM - **Series:** SPF DVM - **Rated AC power:** 12 kW - **Type:** Off-grid - **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 | | --- | --- | --- | --- | --- | --- | | [portable-sun.com](https://comparepv.com/go/83724) | United States | 2 399 $ incl. VAT | 199.92 $/kW | In stock | Last read 10 Oct 06:51 | ## 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% | | | | MPPT trackers | - | 2 | | | | Max DC input voltage | 150 V | 1000 V | Weak - bottom 1% | 240 | | Weight per kW | 6.2 | 2.3 | Weak - bottom 2% | 261 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 12 kW - **Phases:** Single-phase - **Nominal AC voltage:** 240 V - **Grid frequency:** 50 Hz ### PV input - **Max DC voltage:** 150 V - **MPPT voltage range:** 60 to 145 V ### Efficiency - **Max efficiency:** 98.0 % ### Battery - **Battery port:** Yes - **Battery voltage:** 48VDC - **Grid-forming:** Yes ### Physical - **Dimensions:** 650 × 380 × 225 mm - **Weight:** 75.0 kg - **Enclosure:** IP20 - **Operating temperature:** 0 to 45 °C - **Installation:** Indoor only ### Connectivity and protection - **Interfaces:** Wi-Fi, Display ### Pros - **Inrush current handling at 3× rated power** - The built-in low-frequency (LF) transformer enables the inverter to sustain short-duration inrush currents of approximately 3× rated power (e.g., SPF 12000T DVM: 18 kW for 10 ms), allowing reliable soft-start of deep-well pumps, compressors, and induction motors. High-frequency inverters of equivalent rated power typically deliver only 1.5-2× peak power, which can be insufficient for demanding inductive loads. - **Dual independent MPPT trackers (97.5% tracking efficiency)** - The SPF DVM series features two independent MPPT controllers with a rated tracking efficiency of ~97.5%, enabling strings of different orientations or shading profiles to be connected without mutual yield degradation. In installations with complex roof geometries - dormers, chimneys, or East/West split arrays - this provides a tangible operational advantage over single-MPPT designs. - **Compatibility with multiple battery chemistries** - The inverter supports lithium batteries (including LiFePO4 with BMS communication), flooded lead-acid, AGM, and gel batteries, with fully configurable charge profiles (absorption voltage, float voltage, equalization). The absence of vendor lock-in to a proprietary battery ecosystem allows seamless integration with widely available EMEA market storage solutions as well as DIY battery builds. - **Built-in WiFi monitoring at no additional cost** - An integrated WiFi module with ShinePhone/ShineServer platform support is included in the unit price, eliminating the need for a separate datalogger (unlike, for example, the Victron CCGX or SMA Sunny Home Manager). It enables remote monitoring of PV, battery, and load parameters, simplifying off-grid system diagnostics without requiring an on-site service visit. - **Competitive pricing within the LF inverter segment** - In the off-grid LF transformer inverter segment, the SPF DVM 6 kW retails at approximately PLN 3,000-4,500, while functionally comparable units - Victron Quattro 5 kVA (~PLN 9,000-12,000) and SMA Sunny Island 6.0H (~PLN 8,000-11,000) - cost 2-3× more. For residential and recreational property installations, this translates into a materially shorter payback period. ### Cons - **High unit weight - installation constraints** - The LF transformer substantially increases the unit's weight: the SPF 6000T DVM weighs approximately 28-32 kg, compared to 10-14 kg for HF inverters of equivalent power. Wall mounting requires two installers and a load-bearing wall assessment, adding to overall installation costs. - **Audible transformer hum** - Users on DIY Solar Power Forum (threads from 2022-2024) consistently report a persistent magnetic hum from the transformer that remains audible even with the cooling fan off. In utility rooms adjacent to living areas this can be a nuisance - a characteristic drawback of LF topology, though somewhat more pronounced in this price class than in comparable Victron units. - **Growatt not listed on BNEF bankable manufacturers roster** - The manufacturer does not appear on the bankable inverter manufacturers list published by BloombergNEF (as of Q1 2025), which may present an obstacle for bank financing of commercial projects structured under a project finance model. For residential prosumer and off-grid systems up to 15 kW the practical impact is negligible; however, this factor should be considered when planning commercial facilities with third-party financing. ## About this series Growatt SPF DVM series are **off-grid inverters** designed for building independent PV systems where reliable power and durability in harsh operating conditions matter - from year-round residential and summerhouse installations to utility and small commercial setups. A key feature of this range is the **integrated low-frequency transformer**, which helps reliably handle high-inrush load devices such as pumps, compressors, and power tools. In practice, this means greater user comfort and fewer restrictions when selecting loads. The implemented **two MPPTs** enable extracting maximum energy from modules operating in different orientations or partially shaded conditions, which is crucial in Poland for roofs with skylights and chimneys. High **European efficiency** translates to significantly better real-world yields under typical operating conditions for installations, not just in laboratory tests. Moreover, there's **remote monitoring** - support for WiFi communication and the ability to view parameters in the monitoring platform. The inverters are compatible with popular energy storage types (including lithium and lead-acid), and warranty support is provided according to the manufacturer's EMEA market terms. ## Questions ### Why does the Growatt SPF DVM inverter feature a built-in low-frequency transformer, and what does that mean in practice? A low-frequency transformer enables the inverter to absorb the high inrush currents that occur when electric motors start up. In the SPF DVM series, peak instantaneous power reaches three times the continuous power rating, which means a submersible pump, an air-conditioning compressor, or a power tool will start without overloading the inverter. This is a key advantage over lower-cost high-frequency inverters in off-grid installations. ### Will the Growatt SPF DVM perform reliably when panels are mounted on two different roof pitches with different orientations? Yes. The SPF DVM series is equipped with two independent MPPT trackers, allowing the inverter to simultaneously manage PV strings oriented in different directions - for example, south and west - without the arrays degrading each other's performance. This is particularly relevant in Polish conditions, where roof geometry often prevents all modules from being installed in a single optimal orientation. ### Which battery chemistries and energy storage systems are compatible with the Growatt SPF DVM inverter? The Growatt SPF DVM supports the three most common battery types: lithium-based batteries (including LiFePO4 with BMS communication via the RJ45 port), lead-acid, and GEL batteries. Before purchasing an energy storage system, it is advisable to verify Growatt's approved battery compatibility list, as full BMS communication and battery protection functions operate most reliably with models that have been tested and validated by the manufacturer. ### Does the Growatt SPF DVM inverter support remote monitoring and real-time parameter viewing via a smartphone? Yes. The SPF DVM series supports a Wi-Fi module that, once paired with the Growatt monitoring platform (ShinePhone or ShineServer), provides real-time visibility into PV production, battery state of charge, and load consumption. Monitoring is free of charge and accessible through both a web browser and a mobile application, making it convenient to oversee installations at vacation homes or remote sites. ### Can a generator be connected to the SPF DVM installation as a backup power source? Yes. Growatt SPF DVM series inverters are designed to work in conjunction with a gasoline or diesel generator as a supplementary AC input. The device automatically detects the AC signal from the generator and can either charge the batteries or supply connected loads when solar energy is insufficient. When selecting a generator, its power output should be matched to the inverter model, and stable output frequency must be ensured for proper operation. ### What warranty is provided on the Growatt SPF DVM inverters, and who handles service in Poland? Growatt provides warranty coverage in accordance with the terms applicable to the EMEA market. The authorized distributor in Poland delivers warranty service through a network of local service partners. It is recommended to confirm the exact warranty duration with the specific reseller prior to purchase, as terms in the B2B channel may vary. As a Tier 2 manufacturer with over 20 years of global market presence, Growatt maintains broad availability of spare parts. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/SPF-4000T-12000T-DVM-Datasheet-eb0934dbc600.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt SPF 12000T DVM-MPV](https://comparepv.com/inverter/growatt-spf-12000t-dvm-mpv) | 12 kW | | | 75.0 kg | Similar on paper | | [PowMr POW-SunSmart LV12K](https://comparepv.com/inverter/powmr-pow-sunsmart-lv12k) | 12 kW | | | 45.0 kg | 30.0 kg lighter | | [Easun Power 11KW TWIN Solar Inverter/Charger](https://comparepv.com/inverter/easun-power-11kw-twin-solar-inverter-charger) | 11 kW | | 2 | 18.4 kg | -1.0 kW, 56.6 kg lighter | | [Easun Power ISolar SMW 11KW](https://comparepv.com/inverter/easun-power-isolar-smw-11kw) | 11 kW | | | 18.4 kg | -1.0 kW, 56.6 kg lighter | | [PowMr POW-HVM10.2M](https://comparepv.com/inverter/powmr-pow-hvm10-2m) | 10.2 kW | | | 14.5 kg | -1.8 kW, 60.5 kg lighter | | [Growatt SPF 10000T DVM](https://comparepv.com/inverter/growatt-spf-10000t-dvm) | 10 kW | | | 66.0 kg | -2.0 kW, 9.0 kg lighter | | [Growatt SPF 10000T DVM-MPV](https://comparepv.com/inverter/growatt-spf-10000t-dvm-mpv) | 10 kW | | | 66.0 kg | -2.0 kW, 9.0 kg lighter | | [PowMr POW-SunSmart 10K](https://comparepv.com/inverter/powmr-pow-sunsmart-10k) | 10 kW | | | 27.0 kg | -2.0 kW, 48.0 kg lighter | --- Source: https://comparepv.com/inverter/growatt-spf-12000t-dvm