????? ??????? ???????? ????? ?????? ?????? ?? ????? get more info ???? ?????? ???? ??????? ????? ?? ????? ???????? ??? ??????? ??????????? ??????? ???????. ??? ???? ???????? ???? ???? ?????? ?????? ???????? ?? ???? UPS (Uninterruptible Power Supply) ?? ???? ?????? ????????. ??? ???? ?????? ?? ??