I have a converter in my rv. Most are constructed in this manner. My rv works by using the converter to show 110volts ac to 12 volts dc. also to redistribute twelve volts all over the trailer when plugged in or within the battteries.???????? ????????? ?????? ????? — ??????????? ?????-?? ?????????? ? ??????? ???????. ????? ??? ??????, ????, ??????