If your authorised representative in the EU put your products under his/her own name, then she/he takes over your responsibilities. In this case he/she must have sufficient information on the design and production of the product, as he/she will be assuming the legal responsibility when affixing the CE marking.
Many of the larger inverters come with a built in charger. Typically a 2000 Watt or larger inverter will have a 50 to 100 Amp 3 stage charger. These are much better than the typical RV converter/charger. If you are planning on a more powerful charger anyway, the combo units make sense.
See the map of large full hookup RV sites. Normal size full hookup RV sites are usually only 25'W x 50'D. Our large full hookup RV sites may vary in size slightly: (If you require one of these sizes specifically, please mention this in the notes field of the reservation request form.) most are 40'W x 60'D; some are 50'W x 50'D