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.
Converter type: length units. This online length from Gm into ft converter is a handy tool not just for certified or experienced professionals. First unit: gigameter (Gm) is used for measuring length. Second: foot (ft) is unit of length. The feet unit number 3,280,839,895.01 ft converts to 1 Gm, one gigameter.