... 4. two 18350 batt Latest item !! Smotkech 3 volt to 6 volt ,huge vapor, Brass body with oil sprout Varivolt ecig Fuction ... .Protection against shortcircuit.Protection against installing the battery backwards.The mod monitor the battery voltage and automatically shuts off when the ... -2.5ohm,5V-6V for 3.0ohm. variable voltage new ecig vmax adjust 3 volt to 6 volt ,huge vapor, Brass ...