It is the best choice for RV and family-----Flexible solar panels use high-efficiency monocrystalline solar cells.On sunny days, its efficiency is 21% higher than that of traditional solar energy, it has a long service life and is almost maintenance-free.Only 80% lighter than glass solar panels, easy to carry, transport, and install. The service life is 3-4 times longer than that of ordinary flexible solar panels.Solar Module Maximum Power：100WOpen Ciruit Voltage：21.6VShort Circuit Current：6.11AMaximum Power Voltage：18VMaximum Power Current：5.55AMaximum System Voltage：700 VDCSize：1030*525*3MMProduct List:1. 4pcs single crystal flexible board2. 40A black controller 1PCS;3. A set of MC4 lines;4. A set of alligator clip lines;5. A set of 4 to 1 adapters;