200W Portable Foldable Solar Panel Material: PET+OxfordFabric Maximum power (PMAX): 200W Best working voltage (VMP): 18V Best Work current (IMP): 11.11a Voltage (VOC): 21.6V Short -circuit current (ISC): 11.78A Work temperature: -40 ℃ to +85 ℃ Power tolerance: ± 3% Total number of solar panels: 6PCS Battery type: single crystal silicon Battery efficiency: 22%