Having difficulty figuring out what controller I will need for my solar power boat project. I’m hoping you can help me.
Renogy 100 Watt 12 Volt Mono Solar Panel(Compact Design) 

Solar Cells: 33 Cells  Cable: 14AWG (2ft long) 
Junction box: IP65  Connector:s MC4 connectors 
Maximum Power: 100W  Maximum System Voltage: 600V DC (UL) 
Optimum Operating Voltage (Vmp): 17.9V  OpenCircuit Voltage (Voc): 21.6V 
Optimum Operating Current (Imp): 5.72A  ShortCircuit Current (Isc): 6.24A 
Cell Efficiency: 21%  Max Series Fuse Rating: 15A 
Weight: 16.5lbs  Dimensions: 42.2 X 19.6 X 1.38 In 