I'm using a MVP20w battery with a subtank nano. Obviously not using the 0.5ohm coils.. I'm using the 1.2ohm coil which is being read at 1.1ohm on my battery. The 1.2 ohm coil says 12-25W. But I use 11 or 11.5W since I feel that works best for me with my liquid. Is it fine to do that under the recommended wattage? Just a bit new to this kind of vaping and not too sure what is safe and what isn't. Any experience or knowledge is appreciated! Thanks