So far loving my nexus, however i'm having a weird issue with charging. when i charge with the samsung charge that came with the phone, everything is fine and dandy, however i'm having trouble charging with my other usb chargers that i have lying around(the one for my droid, one for my nook, one for my touchpad, and a few others). When i plug the charger into the phone, into the phone, and the phone is on, it wont charge. I need to turn my phone off in order to charge it up, which is a major issue. Since the phone is charging with these chargers when its off, I dont think the issue is with the charger itself but rather with the phone. Any ideas? Anyone else having this issue or am I special?