Yes, you can use the PNP X Coils with the PNP X Empty Pod Cartridge only. Voopoo has currently released the in-built coil cartridges, and you cannot change the coils for these. The VooPoo Argus E40 Kit, powered by PnP X Atomizer Technology, ensures rich, full-flavoured vapour consistently while protecting against burnt coils, thus enhancing the overall vaping experience.