I have a cold heat iron. They suck for anything other than quick-and-dirty SMD rework. You can't get much heat out of 4 AA batteries. Stick to a good Weller or Pace iron.
2016 WRX STi Limited (current)2001 A4 1.8tqms (donated)1991 GVR4 #1933 (sold)old.dsmregistry.com/detail.php?carid=218 (dismantled)