AC Adapter for Charging Sansa Clip w/o Connecting to Computer

just  to clarify …,i hav a

wall charger = 5.7 v / 800 ma

car charger  = 5.22v / 550 ma

will these charge my clip properly ??

PS- my clip stopped working when i tried charging it thru the car charger …it bcame very hot n never charged again neither can the PC charge or recognise it nymore…so its dead :frowning: