80W Portable Foldable Solar Panel Material: PET Maximum power (PMAX): 80W Best working voltage (VMP): 18V Best Work current (IMP): 4.44A Voltage (VOC): 21.6V Short -circuit current (ISC): 4.71A Work temperature: -40 ℃ to +85 ℃ Power tolerance: ± 3% Total number of solar panels: 1PCS Battery type: single crystal silicon Battery efficiency: 22%
