My gs3 battery is slowly charging ang would even discharge when plugged in to wall outlet using ths stock charger.it takes 5 hrs just to charge ths battery from 10%~100%right now as i type this letter my phone is draining tho it is plugged to wall outlet/ac charging.i tried restoring my phone to factory settings and removed my battery then reinserting it again to the mobile but none of these worked.pls can somebody give suggeztions?