Will you be driving around in the Cali at all?
We spent three weeks in France this past August. We camped in semi-shade (as the sun moved around, the afternoon was in partial (significant) shade). (See below + early morning.)
But we went out and about during our stay - most, but not all days.
The overall combination of shade and sun and driving around was more than enough to keep us fully charged over the three week period. No hook up was available or required. Monitoring the electricity generated, the most was while we visited Orange and parked in the town centre car park.
The fridge was on permanently at a high setting. Lights, camera batteries, phones, iPad etc on regular recharges.
We have dual panels with 220W and a Victron MPPT controller.
I'm confident we could have generated enough electricity with less sun or more shade. I'd happily attempt a week in France in August without hookup, even with more shade and with no driving around.
The stand alone 100W solar panel is for the caravan - also perfectly adequate to keep lights and electrical equipment charged etc but not powering the caravan fridge