Originally Posted by dlouise37
What I'm proposing is to use the 220v source to just charge up the UPS. Once charged unplug it from the 220v. Next plug in my DVD player, camera... to the UPS(which is now running in "battery mode") to charge their batteries up from the clean 110v 60Hz output of the UPS.
In general, there are no 110v UPS devices on the market that will accept 220v, even for charging the internal battery. UPS models are all either [In 110v/Out 110v] or [In 220v/Out 220v] -- they are not meant to be used as a travel accessory.