Looking after your deep cycles batteries that you spent so much money on is important to ensure a good life span, solar panels allow you to keep them constantly at full charge while your touring.
Are expensive solar panels worth it? is there anything wrong with using cheap solar panels?
In this video I test a cheap solar panel from Sunyee and a expensive panel from a local store called Itechworld. Also in this test we see if having an MPPT solar regulator is really does give your more amps over a PWM regulator.

Sunyee 100w Solar Panel
https://www.sunyee.com.au/12v100wfl...

Itechworld 100w Solar Panel
https://itechworld.com.au/collections...