Solis S6-GR1P6K 6kW Single-Phase Grid-Tied String Inverter (1000V DC)

The Solis S6-GR1P6K is a 6kW single-phase grid-tied string inverter from Ginlong Technologies — the largest dedicated inverter manufacturer in China by volume, and one of the fastest-growing brands in the US residential market. The S6 delivers 98.4% peak efficiency at a price point typically 30–40% below European brands — making it the go-to choice for cost-optimized residential solar systems where UL listing and grid compatibility are required. DC input: Voc max 1000V, 2 MPPT trackers, MPPT range 180–850V. AC output: 240V single-phase 60Hz. Dual MPPT allows separate string orientations (east/west roofs) without string losses. Built-in WiFi via integrated SolisCloud monitoring — real-time power, yield, and fault alerts from mobile app. Modbus TCP/RTU for third-party monitoring integration (SolarEdge, Enphase monitoring agnostic). Transformerless topology; compact and lightweight (8kg, 322 × 393 × 123mm). IP66 rated, fanless natural convection cooling — completely silent. SPI (Solar Panel Interface) for rapid shutdown compatibility per NEC 2017/2020. UL 1741 and UL 1741-SA listed — eligible for all US state rebates and federal ITC. UL 1741-SA specifically listed for advanced grid support (Volt-VAR, frequency-watt). 10-year standard warranty; extended warranty to 20 years available.