Replacement coils for the SMOK TFV8 Cloud Beast vape tank: SMOK V8 T10 Coils (3 Pack). The V8 T10 uses SMOK's patented Turbo 10T engine to create a Kanthal Clapton decuple coil. It comes with a power range of 50 to 300 watts. These coils work best when the power is between 130 and 190 watts. The pinnacle of cloud and flavour coils.