Sharp NU-JD550 550W Solar PV Panel Mono PERC Half-Cut - Silver Frame Product Description 144 half-cell solar panel designed for large free-field and commercial rooftop photovoltaic systems, optimised for long-term reliability and performance. Key Features: The project solution (1,500 V) High module efficiency (21.3%) 144 Half-cells, M10 wafer (panel size: 2,278 x 1,134 x 35 mm) Multi-busbar technology + temperature coefficient of -0.341%/°C increasing the power gain Robust product design (tests passed: PID resistance IEC TS62804, Salt mist IEC61701, Ammonia IEC62716, Sand and Dust IEC60068) Proven quality (VDE, IEC/EN 61215 + IEC/EN61730, Safety Class II, CE, UKCA, Fire Rating Class C) IP68 rating Reliable Warranty: 25 years linear power output guarantee (min. 85% in 25th year) and 15 years product guarantee (Applicable for modules installed within the EU and additional listed countries. Please check the guarantee conditions for your area before purchasing.) Guaranteed positive power tolerance (at least the specified value and up to 5% more is achieved) Data Sheet: Click Here for Data Sheet Installation Manual: Click Here for Installation Manual