--- title: "Growatt SPF 6000 ES Plus Off-grid Inverter: Specs & Prices | ComparePV" description: "Growatt SPF 6000 ES Plus 6 kW off-grid inverter: 2 shop offers from 11 148.76 Kč. Specs: 2 MPPT, 500 V max DC input, 13.5 kg." source: "https://comparepv.com/inverter/growatt-spf-6000-es-plus" updated: 2026-10-11 --- # Growatt SPF 6000 ES Plus ## Identity - **Manufacturer:** Growatt - **Model:** SPF 6000 ES Plus - **Series:** SPF 6000 ES Plus - **Rated AC power:** 6 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 | | --- | --- | --- | --- | --- | --- | | [www.battery-import.cz](https://comparepv.com/go/16405) | Czechia | 11 148.76 Kč net | 1 858.13 Kč/kW | In stock | Last read 11 Oct 02:44 | | [www.frexolaire.com](https://comparepv.com/go/541936) | France | 540.96 € incl. VAT | 90.16 €/kW | In stock | Last read 11 Oct 03:16 | ## 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% | | | | MPPT trackers | 2 | 2 | Typical | 13 | | Max DC input voltage | 500 V | 600 V | Weak - bottom 19% | 237 | | Weight per kW | 2.2 | 3.3 | Strong - top 19% | 65 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 6 kW - **Max apparent power:** 12.00 kVA - **Phases:** Single-phase - **Nominal AC voltage:** 230 V - **Grid frequency:** 50 Hz ### PV input - **Max DC input power:** 8.00 kW - **Max DC voltage:** 500 V - **MPPT voltage range:** 120 to 450 V - **MPPT trackers:** 2 - **Max input current per MPPT:** 16.0 A ### Efficiency - **Max efficiency:** 93.0 % ### Battery - **Battery port:** Yes - **Battery voltage:** 48VDC - **Max charge current:** 80.0 A - **Backup power:** 6.00 kW - **Grid-forming:** Yes ### Physical - **Dimensions:** 395 × 460 × 132 mm - **Weight:** 13.5 kg - **Enclosure:** IP20 - **Operating temperature:** 0 to 55 °C - **Max humidity:** 95 % - **Max altitude:** 2000 m - **Installation:** Indoor only ### Connectivity and protection - **Interfaces:** Display ### Pros - **Dual independent MPPT, total PV input 8,000 W** - Two MPPT trackers (120-450 VDC range each) allow two separate PV strings with different orientations or tilt angles to be handled independently. A total PV input of 8,000 W against a 6 kW AC output yields an oversizing ratio of ~1.33, which in off-grid operation translates to improved battery replenishment under low-irradiance conditions. - **Parallel operation of up to 6 units (36 kW)** - Up to six SPF 6000 ES Plus units can be connected in parallel, scaling the system to 36 kW AC without replacing the inverter. This is a key feature for expanding prosumer installations and small commercial facilities, where modular growth reduces future upgrade costs. - **Surge capacity 12,000 VA (200% of rated power)** - The ability to handle momentary loads of 12,000 VA-twice the rated power-ensures reliable motor starting (pumps, air conditioners, power tools). This is typical for high-frequency inverters in this class and is comparable to the Deye SUN-6K-SG01LP1, which offers 18,000 VA surge at 6 kW. - **Broad battery and BMS compatibility** - Support for 48 V lithium (Li-ion/LiFePO4), lead-acid, and GEL batteries-with BMS communication via CAN or RS485-enables integration with the majority of battery solutions available on the European market. AC charging current of up to 80 A (from grid or generator) accelerates battery bank replenishment. - **WiFi/GPRS monitoring + CE certifications (EMC, LVD)** - Built-in WiFi and GPRS module support enables remote monitoring via the ShineServer platform without additional hardware. CE certifications (EMC and LVD) confirm compliance with EU market requirements, and Growatt was recognized by S&P Global Commodity Insights as a Tier-1 PV inverter supplier (October 2025), positively supporting project bankability. ### Cons - **Peak efficiency 93% vs. premium-class competitors** - Peak efficiency of 93% falls below that of top-tier off-grid inverters in this power class: the Victron MultiPlus-II 48/5000 achieves ~96% and the SMA Sunny Island 6.0H ~97%. Over a full year in an off-grid system with a large battery bank, a 3-4 percentage-point gap results in measurably higher conversion losses during cyclic charge/discharge operation. - **Known firmware update issue** - Cases of bricked units running firmware/DSP versions 100.01 and 101.01 following update attempts have been documented on the DIY Solar Power Forum (2024). Growatt has not issued an official advisory, which increases the risk of a service error by inexperienced installers. - **Transfer time 10-20 ms** - A transfer time of 10 ms (typical) / 20 ms (maximum) rules out powering interruption-sensitive equipment such as servers, medical devices, or industrial systems. By comparison, the Victron MultiPlus-II offers \<20 ms and dedicated online-class UPS units achieve 0 ms. In residential installations with typical loads, this difference is generally not perceptible. ## About this series Growatt SPF 6000 ES Plus is an **off-grid inverter with energy storage capability**, designed for installations where high independence from the grid and stable power supply to consumers are key. These devices feature **two independent MPPTs**, facilitating better energy yields with panels of different roof orientations or under partial shading conditions - each tracker optimizes the performance of its own PV string. In practice, this translates to more predictable energy production throughout the day. High **European efficiency** means better results in real, variable operating conditions (not just in the lab), which is crucial for annual production and system profitability. The SPF 6000 ES Plus supports remote monitoring via WiFi or GPRS and communication integration with BMS (e.g., CAN/RS485), enabling seamless collaboration with energy storage systems - both lithium and lead-acid types. Additional advantages include CE certification (EMC and LVD) and **parallel operation capability**, which facilitates system expansion in larger homes and small commercial buildings. ## Questions ### How many solar panels can be connected to the Growatt SPF 6000 ES Plus inverter? The SPF 6000 ES Plus accepts a maximum PV input power of 8,000 W. It features two independent MPPT trackers, each dedicated to a separate string, with an operating voltage range of 120-450 V DC. In practice, this allows connecting a number of 400-500 W panels split across two strings - particularly useful when the roof has different orientations or when one section is subject to partial shading. ### Which battery types are compatible with the Growatt SPF 6000 ES Plus? The unit supports 48 V batteries - both lithium-ion (LiFePO4) and conventional lead-acid types (AGM and gel). Integration with lithium battery storage systems is achieved via a BMS interface over CAN or RS485, enabling full communication and battery protection. With a maximum charging current of 80 A, even larger battery banks can be charged efficiently. ### Can the Growatt SPF 6000 ES Plus operate without a utility grid connection (off-grid)? Yes, that is the primary application of this series. The inverter is designed for off-grid (island) installations where PV panels and batteries serve as the main energy sources. It outputs a pure sine wave at 230 V AC, with a typical transfer time between operating modes of 10 ms - sufficient for the vast majority of residential loads. It can optionally be connected to the utility grid or a generator as a backup charging source. ### How many SPF 6000 ES Plus units can be connected in parallel, and what is the benefit of doing so? Up to 6 SPF 6000 ES Plus inverters can be connected in parallel, yielding a combined output power of up to 36 kW. This configuration is well suited for larger homes, small commercial facilities, or situations where energy demand is growing and the system needs to be scaled up incrementally without replacing existing equipment. ### What warranty does the Growatt SPF 6000 ES Plus come with, and what does it cover? Polish distributors typically offer a standard 2-year warranty on the SPF 6000 ES Plus. The manufacturer, Growatt, provides after-sales support through authorized service centers in Poland. It is advisable to review the specific terms of the vendor, as some offer extended warranty periods or optional warranty upgrades. While Growatt does not hold Tier 1 status, it is one of the largest inverter manufacturers in the world. ### How can the Growatt SPF 6000 ES Plus inverter be monitored remotely? The SPF 6000 ES Plus supports remote monitoring via a Wi-Fi or GPRS module connected to the Growatt ShineServer platform. This allows users to track PV generation, battery state of charge, and system operating parameters in real time through a mobile app or web browser. Communication with the energy storage system's BMS is handled via a CAN or RS485 interface, ensuring full system integration. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/SPF-6000-ES-Plus-datasheet-39f681dd6d8d.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt SPF 6000T DVM](https://comparepv.com/inverter/growatt-spf-6000t-dvm) | 6 kW | | | 52.0 kg | 38.5 kg heavier | | [Growatt SPF 6000T DVM-MPV](https://comparepv.com/inverter/growatt-spf-6000t-dvm-mpv) | 6 kW | | | 52.0 kg | 38.5 kg heavier | | [Growatt SPF 6000T DVM-G2](https://comparepv.com/inverter/growatt-spf-6000t-dvm-g2) | 6 kW | | 1 | 38.5 kg | -1 MPPT, 25.0 kg heavier | | [SMA Solar SI8.0H-13](https://comparepv.com/inverter/sma-solar-si8-0h-13) | 6 kW | | | 63.0 kg | 49.5 kg heavier | | [Easun Power ISolar MLV 6KW](https://comparepv.com/inverter/easun-power-isolar-mlv-6kw) | 6 kW | | | 30.0 kg | 16.5 kg heavier | | [PowMr POW-HVM6.2M-48V-N](https://comparepv.com/inverter/powmr-pow-hvm6-2m-48v-n) | 6.2 kW | | | 10.0 kg | +0.2 kW, 3.5 kg lighter | | [Easun Power IGRID-VX-IV-5.6KW-WIFI](https://comparepv.com/inverter/easun-power-igrid-vx-iv-5-6kw-wifi) | 5.6 kW | | 1 | 10.5 kg | -0.4 kW, -1 MPPT, 3.0 kg lighter | | [Easun Power ISOLAR-SMX-II-5.6KP-WIFI](https://comparepv.com/inverter/easun-power-isolar-smx-ii-5-6kp-wifi) | 5.6 kW | | 1 | 10.5 kg | -0.4 kW, -1 MPPT, 3.0 kg lighter | --- Source: https://comparepv.com/inverter/growatt-spf-6000-es-plus