Please remember that the coil resistance can vary up to about .05 ohm’s depending on the length the leads are cut during install. Also atomizers/devices can have varying resistance readings in about this same range. TugaBeast products are intended for advanced users only! If you are not familiar with the ohm’s law, do your research before purchasing our products. We will not be held responsible for any damages caused by improper usage of our products or the exceeding of battery limits.