Please.... V12 save your money for something else. Victor Engineering company is no more....... and if your Victor charger need repair, No electrician is able able to help you because all the component inside such as IC number, Fet ratings, have been marked OFF.
I have the VE Super IQ, and the marking on all IC have been removed by Victor
perhaps to protect its copyright.
About voltage pull, voltage push, delta peak, delta push, or whatever...... it's over now..... it's obsolete, because today batteries such as Ni-MH need less maintenance and don't get memory effect.