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.
A typical medium usage RV or cabin system is listed below. 1  1 or 2 80 to 150 watt solar modules, such as the Solartech SPM085 or Kyocera KD150. 2  1 - panel mounts for roof mounting. 3  1 - Morningstar solar charge controller. 4  4 - 220 amp-hour 6-Volt deep cycle batteries (golf-cart size), or 2 Concorde 4D's. 5  1 - 600 to 1500 watt inverter.