JA Solar 550 Watt Solar Panel

JA Solar 550 Watt Solar Panel The JA Solar 550W solar panel blends high power output and modern half‑cell monocrystalline PERC technology to deliver reliable, efficient, and durable performance. With 144 cells in a half‑cut configuration, this module reduces resistive losses and improves shading tolerance — ensuring strong performance even under suboptimal light conditions. Its 550 W output and ~21.3% efficiency make it an excellent option for residential rooftops, commercial buildings, industrial solar farms, off‑grid systems, or hybrid setups. MECHANICAL DATA Cell Mono-16BB Weight 27.3kg Dimensions 2278±2mm*1134±2mm*30±1mm Cable Cross Section Size 4mm²(IEC)，12 AWG(UL) No. of cells 144(6*24) J-Box IP68, 3 diodes Connector QC 4.10-351/ MC4-EVO2A Front Glass 3.2mm ELECTRICAL DATE(STC) Nominal Max. Power (Pmax) 540w 545w 550w 555w 560w 565w Power Tolerance 0~±3% Open Circuit Voltage(Voc) [V] 49.6 49.75 49.9 50.02 50.15 50.28 Maximum Power Voltage(Vmp) [V] 41.64 41.8 41.96 42.11 42.27 42.42 Short Circuit Current(lsc) [A] 13.86 13.93 14 14.07 14.14 14.21 Maximum Power Current(lmp) [A] 12.97 13.04 13.11 13.18 13.25 13.32 Module Efficiency[%] 20.90% 21.10% 21.30% 21.50% 21.70% 21.90%