@Ivaylo I am having resonate 9V router UPS brought for earlier model which was with 9V dc. Now I need to buy new one of 9V is not enough for this model. I brought ups last month only

I am having Archer 750 which works with 9V d adapter. Now I purchased Archer 1200 which is having 12V dc adapter. My ups is 9V which I purchased for earlier one whether Archer 1200 can work with 9V...