ASVAPE DB Twist 2200mah Variable Voltage Electronic Cigarette Battery<br>Description:<br>               Voltage Indicator               LED light will show the current voltage. Screw the  Bottom Voltage Spinning Button to get variable voltage from 3.8v to 5.3V. Red: 3.8V， Yellow: 4.3V， Green: 4.8V， Blue: 5.3V                   Vaporing               Pressing the Menu Botton to start vapor， and the white LED will light up， and the heating coil is working; leave the button to stop vapor                   Vaporing Timeout               If you keep vaporing more than 10 seconds， the LED will keep flashing to warn you to stop， the heating coil will stop working till you leave the button， then the LED flashing will stop                   Low Voltage Turn Off               When voltage is below 3.2V LED lights will flash，and the device will turn off by itself. At this moment， you need to charge the device so that the device can work again                   Charger Specification               4.2V output， 1000mah                   Charging Instruction               When device connect to charger， the white and red LED both lighting up， and at the same time the light on Charger turn red                   Fully Charged               When the battery is fully charged， the light on Charger will turn green              Turn Off       In the mode of ON， press the menu button 5 times in a row with 3 flashes of the LED   <br>Specification:Connection Threading: 510Voltage range: 3.8V-5.3VBattery Capacity: 2200mahColor: brown， black， stainless stee， red， rainbowMaterial: stainless steel + copperDB: 10-90DB<br>Package included:1 x DB twist battery1 x Holder(Color randomly send)1 x Box<br>Detailed Pictures: