I do not think you need to buy a C Tek to get this kind of feature. Most smart chargers can do this.
I agree, if he manages to clamp both clamps to same battery terminal, he would sure to get a job at JiffyLube.
2015 Subaru Forester 2.5 engine/CVT PP & M1
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1