Battery problem
On a cold night camping my morning plan failed. I was going to jump out of bed switch on the Eberspaecher heater and hide under the duvet until it wormed up. But the battery was flat, or at least too flat to provide the high current required at start up. To cut a long story short, the panels at 100W each could only give 5W in the winter. Not enough to boost the batteries up. They need 14.4 V for a couple of hours a day. So now I've regularly got the charger out to top it up. Charger is a very nice Victron IP67 Bluesmart charge. With bluetooth monitoring and 25A power rating.