Got the battery box done and tested the solar. To do this I put my Ammeter in line with the solar and battery, since the battery was pretty much fully charged it only put 4.1A/H into the battery for the first minute or two and then dropped to maintenance mode where the regulator cycled from 0A/H to around 3.5A/H.
Anyway, happy with the setup now but will probably grab another fold out solar panel to go to a total of 240W which in full sun will push around 13A/H into the battery, that's enough to take it from flat (50% charge) to full in under 4 hours or a touch over 4 hours if the fridge is in use at the same time. Since Winter gives 5 to 6 hours of good sun (if it's sunny) 4 hours is a safe number.
Ammeter in line with solar, now fitted an isolator switch as well, it isolates everything but the CTEK charging port.
80w of solar doing a fine job, it's previously run my fridge for 3 days and kept the 66AH of battery in the Jeep fully charged with no problems.
Cheers
Steve