The Ginlong Solis S6-GR1P K03 NV ND is a single-phase grid-tie inverter designed for residential and commercial installations, especially where roof complexity requires flexibility. Its main advantage is the 3 MPPT design, enabling independent power tracking for three strings simultaneously. This facilitates easier optimization of energy yield during partial shading and across different roof orientations (e.g., east-south-west) without compromising string selection. High European efficiency ensures the inverter maintains good performance not only at peak conditions but also in typical operating conditions in Poland, leading to more stable energy production throughout the day. Practical features include integrated AFCI protection for enhanced DC safety and comprehensive grid protection. Remote monitoring is available via the data logger and app, with communication options depending on configuration (e.g., Wi-Fi or wired). This series is ideal for demanding residential and small commercial installations; it is not a hybrid inverter and is therefore not designed for direct use with energy storage systems.
Ranking
Specifications
Pros and cons
The series offers three independent MPPT (Maximum Power Point Tracking) channels, which is rare in the 7-10 kW single-phase inverter segment - the dominant competition (Fronius SnapINverter, SMA Sunny Boy of this power) typically offers 1-2 MPPT channels. This allows for lossless operation of three different roof orientations (e.g., east-south-west) or independent shading management without the need for power optimizers.
The peak efficiency of 98% declared by the manufacturer places this series at the top of the ranking for single-phase inverters in the 7-10 kW class. This directly translates to a higher annual energy yield, particularly during peak generation hours in the Polish climate.
The built-in DC arc-fault circuit interrupter (AFCI) meets safety standards without the need to purchase external protective modules. In Poland, AFCI protection has become a requirement for residential building installations, as mandated by insurance companies since 2023.
Full protection against dust and strong water streams allows for outdoor installation without the need for an additional enclosure, which is standard in Polish prosumer installations exposed to variable weather conditions.
Ginlong Solis maintains Tier-1 BloombergNEF status (verified in Q1 2025) and is ranked as the 3rd largest manufacturer of photovoltaic inverters globally. This status directly impacts the bankability of the project and ensures long-term service availability, typically over a 10-15-year operational period.
The series is exclusively grid-tied - it does not directly support any energy storage systems. In the Polish prosumer market, where net billing has significantly reduced the profitability of exporting since 2022, the lack of native integration with a battery means that a separate hybrid inverter will be required when expanding the installation to include a battery.
Unlike Huawei SUN2000 (with built-in Wi-Fi + 4G) or SolarEdge (with integrated monitoring), the S6-GR1P K03 NV ND series does not have a built-in communication module. Remote monitoring requires the purchase and installation of a separate data logger, which adds to the overall cost and introduces a potential point of failure in the installation.
Alternatives
About the S6-GR1P K03 NV ND series
These answers cover the whole series. Where a figure differs, the specification above is this model's own.