Modders don't want to buy a complete power supply to test out Slims. Instead of having 2 PHAT power supplies, just just your normal power supply and then plug in the adapter when you want to test out a slim. Cheaper, cleaner, and easier.
You should replace your laser lens if your system has the following problems:
Multi-Detector Full-Range All-Round Detector For Hidden Camera / IP Lens/ GMS BUG / RF Signal Detector Finder , CC308 + detector hidden mini camera