Just got a i taste mvp i run a protank single coil 2.2 ohms at 5 volts. I take about a 5 to 6 second drag. How ling should my battery last? I got abiut two days out of it but i chain vape. I go through 2 coils a week. About one tank per 200 puffs. Havent smoked the battery dead yet while counting puffs. Im currently doin that.