Larry - I have but I had replaced the original battery box after awhile because I kept going thru batteries and the box itself needed me to put a card in it for more holding pressuer to make the contacts work - it was not Monster's fault, it was from use - so I put a Radio Shack transformer in line and it worked great but then I started going thru lasers faster than normal - So I bought the new transformer mentioned to see if the current is better controlled (time will tell) - as for the not getting the lasers from Monster I simply found a cheaper source - I have another hollowing Rig - for Large hollowing - having the transformer with the clips enables me to quickly switch power source if I want also - Plus I guess I just like playing with things to see if I can make them better by redesigning.
I have bought alot of tools from Monster and im sure ill continue - but I make my own cutters, arms, etc.. now because I can and I feel they are better than whats out there alot of times ....... but for quality you can count on them everytime for sure