A bit long winded but here goes. .. We have 2 leisure batteries under passenger seat ,1 vehicle battery under drivers seat with a battery to battery charger, all charged by our roof mounted 85w solar panel. workshop technician wired up an inverter with an inline fuse and o rings to enable us to use the inverter elswhere (another story ) to battery under driver seat . Could we now use those o rings to clip crocodile clips to , to use a 6ow folding solar panel to charge the 3 batteries under the seats along with the roof solar panel? Or would it cause conflict with the controllers on each solar panels?