Growatt SPF 3000TL LVM is a grid-independent off-grid inverter with energy storage functionality, designed to power homes where independence from the grid or stable support for critical circuits is essential. All in one housing, it integrates a sinusoidal inverter, battery charging control, and a UPS system, ensuring seamless operation whether drawing power from PV sources, batteries, or a generator. The implemented MPPT system intelligently maximizes energy extraction from modules - this is particularly noticeable with variable sunlight, partial shading, or panels operating under different conditions. High European efficiency translates into significantly greater energy production under typical operating conditions in Poland, not just in a laboratory setting. System monitoring is provided via remote monitoring through WiFi or GPRS modules and a platform for parameter control and diagnostics. Additionally, the series supports expansion - parallel operation capability facilitates power scaling. This is a reliable solution for homes, vacation cottages, and small commercial premises equipped with batteries.
Ranking
Price offers
| Shop | Country | Price | Per kW | Stock | Offer updated | Link to shop |
|---|---|---|---|---|---|---|
| signaturesolar.com | United States | 785 $ net | 261.67 $/kW | In stock | 18h ago | Visit shop |
Specifications
Pros and cons
This series combines a pure sine wave inverter, an 80A MPPT controller, and a UPS module into a single device, eliminating the need to purchase separate charge controllers and backup power systems. This reduces the overall cost of off-grid installations and minimizes the number of potential points of failure.
The manufacturer's datasheet specifies a peak efficiency of 97%, while independent MPPT tests demonstrate an efficiency of 99.5% in stable sunlight conditions, with a dynamic response time of less than 15 seconds under varying shading - figures that are competitive for the 3 kW off-grid segment.
The declared switching time to battery power is less than 20 ms, which meets the safe threshold for sensitive household and consumer electronics equipment (IEC 62040-3 Class 3 allows up to 20 ms). This represents a significant advantage over cheaper off-grid inverters with switching times greater than 30 ms.
The ability to connect up to 6 units (totaling 18 kW) and configure a 120/240 V split-phase system allows for expanding the installation as demand grows, without the need to replace the inverter - a significant advantage for vacation homes planning future expansions.
Available in 24 V and 48 V versions (models 24P, 48P, LVM-ES), and with support for AGM, GEL, Flooded, and Li-ion battery chemistries (configurable charging profile), these products offer broad compatibility with the popular Polish market for off-grid battery systems.
The LVM-24P and LVM-48P models have a maximum MPPT input voltage of only 150 V DC, while only the LVM-ES variant reaches 250 V DC. In comparison, hybrid inverters of the same power class (e.g., Growatt SPH 3000TL BL-UP, SMA Sunny Tripower) support ranges of 500-600 V DC, which allows for longer PV string lengths and greater design flexibility.
Growatt is not listed on the BNEF Tier 1 Bankable Manufacturers list (as of Q1 2026), which is not a concern for residential installations, but may make it more difficult for banks to finance commercial projects and for obtaining favorable insurance terms for installations in Poland.
Alternatives
About the SPF 3000TL LVM series
These answers cover the whole series. Where a figure differs, the specification above is this model's own.