SMOK V12 Prince Q4 Coils (3 Pack) – replacement coils for the SMOK TFV12 Prince Tank. These amazing coils have a resistance of 0.4 Ohms and are rated at 40 to 100 Watts with optimal performance at 60 to 80 Watts. The SMOK V12 Prince Q4 Coils are quadruple core. The vapour production and flavour from these coils is simply outstanding.