1) According to the classification of e-liquid devices, it can be divided into pre-filling type and oil-filling type:
Pre-filled e-cigarettes: e-liquid and atomizer are integrated, one-time use and portable. Generally, the one-piece atomizer that is pre-filled with oil is also called a pod.
Refillable electronic cigarette: The atomizer can be reused, and different brands of e-liquid can be used.
2) According to the classification of tobacco rods, it can be divided into mechanical type and electronic type:
Mechanical type: There is no control chip in the cigarette rod, which has a long life but is not easy to control.
Electronic type: There is a control chip in the cigarette rod, which can control the voltage, power and temperature, but the life of the chip is limited.
3) According to the power classification, it can be divided into low power type and high power type:
Small cigarettes: generally sucked through the mouth, the atomizer and the battery can be connected to start work, no need to start the button.
Big smoke: It mainly uses 18650 lithium battery, which is larger in size and has obvious characteristics of atomizer and smoke rod.