Looking for a device with a longer lasting battery? Well, look no further! The V-Fin is here! This electronic cigarette kit by Smok has an enormous built-in battery which has the capacity of 8000mAh! Inclusive in the kit is the TFV12 Big Baby Prince, a tank which meets the mods 6W – 160W power for some dense vapour production and uses the TFV8 V8 Baby Q4 EU Core coils.