Originally Posted by
David-A
When buying USB port socket chargers (i.e. wall chargers that present a usb port for the cable of the device) always check that the power output is correct for your device.
I've seen some as low as 200-300 mW, no where near enough for a blackberry or iPad, etc that naturually didn't charge at all on such.
i think you are looking for Amperage rating (i could be wrong [mr Ohm says theyre all tied one way or another]]
most hotels nowadays should have the pin converters. though you also should be able to find them at any airport
i always carry atleast 2-3 in my travel just to be sure