Hottest Ego C twist no flame e-cigarette variable voltage battery 0.2v per twist ... twist batteryBattery capacity:650 /900 /1000 mahVoltage available:3.2v-4.8vMatch atomizer:ce4,CE5,CE9 ,ego- ... the battery bottom,and each represents 0.2V. 3.Intensified short circuit protection,discharge and overcharge protection, ... ,ODM is available.2,Samples order is ok.3,All of our products obtain CE ,RoHs certificate ...