How many volts do you need? As many volts as you have the resistance for.
Ignoring differences in coil/atty/cartomizer design and function, 4 volts with an 2 ohm coil would theoretically vape exactly the same as 1 volt with a 1/8th ohm coil or 80 volts with an 800 ohm coil; all giving 8 watts power. Granted, that is a bit extreme, but it gets the point across.
If you really want this device and you find that 5 volts isn't enough.....lower the resistance and adjust the voltage to taste.
Ignoring differences in coil/atty/cartomizer design and function, 4 volts with an 2 ohm coil would theoretically vape exactly the same as 1 volt with a 1/8th ohm coil or 80 volts with an 800 ohm coil; all giving 8 watts power. Granted, that is a bit extreme, but it gets the point across.
If you really want this device and you find that 5 volts isn't enough.....lower the resistance and adjust the voltage to taste.