How to Recharge an Electronic Cigarette


Depending on what kind you have, e-cigarettes and vaporizer pens have a few different ways to recharge. USB and wall adapters are the most common means of charging up your e-cigarette, although not all work the same way. Also, how often your e-cigarette needs to be charged depends primarily on the battery it uses and how often you use it.

USB Chargers

USB chargers are one of the most common types of chargers offered with e-cigarettes. Some e-cigarettes, like Mistic, directly connect to a cable or charger attachment. Others e-cigarettes, like NJOY, feature detachable batteries that you connect to a cable or charger attachment.

Cables or Charger Attachments

  1. Connect the USB cable or charger attachment to an open USB port on your computer. The computer must be on.
  2. Connect the e-cigarette to the charger or cable. 

Detachable Battery

  1. Unscrew or disconnect the battery section from your e-cigarette and connect it to the USB charging cable or charger.
  2. Connect the cable or charger to a USB port on your computer.


  • Many modern televisions also feature USB ports. If your computer's USB ports are all occupied, your TV's ports are a solid alternative for charging your e-cigarette.

Rechargeable Carrying Cases

Some e-cigarettes like Blu don't have a direct charger for individual cigarettes, instead using a chargeable carrying case that charges the cigarettes while you're on-the-go.

Charging the Case

  1.  Connect the case's USB charging cable or adapter to an open port on your computer. If your case uses an AC charger cable, connect the adapter to a wall outlet.
  2. Connect the cable or adapter to the case. If you're using a USB charger, turn on your computer to ensure it begins charging the case.

Charging the Cigarette Batteries

  1. Unscrew the flavor cartridge from the battery you want to charge.
  2. Slide the battery into the carrying case. The slot for charging batteries is the second from the right, if you're looking at the front of the case. Sometimes the battery will actually screw into the charger.

Wall Chargers

Wall chargers are less common than USB chargers but are sometimes included or sold separately on the manufacturer's website. Depending on your device, a wall charger may be a standalone charging device, or used in conjunction with a USB cable or adapter.

  • For standalone chargers, plug your charger into the wall socket and connect it to your e-cigarette's charging port or carrying case.
  • For USB-to-wall adapters, connect the USB charging cable or adapter device to your e-cigarette. Then, connect the other end of the cable to the wall adapter and plug the adapter into the wall socket.


  • Generic USB-to-wall adapters are an option if your e-cigarette charges via USB but you don't have an available port to use.

Car Chargers

Some e-cigarettes come with a car charger or have one sold separately by the manufacturer. These chargers connect to the cigarette lighter in your car and draw power from your battery to charge your e-cigarette.

Using a Car Charger

  1. Remove your cigarette lighter from its port.
  2. Insert your car charger. The charger should have an indicator light which lights up when the charger is correctly inserted.
  3. Connect the other end of the charger to your e-cigarette, its carrying case, or a disconnected e-cigarette battery, depending on the type of system your cigarette uses.


  • Always make sure the cigarette lighter isn't turned on when you remove it to plug in your charger. If it has been turned on, allow a few minutes for the heating element in the lighter to cool down before setting it anywhere.

When to Recharge

Most e-cigarettes have an indicator that lets you know when it's time to recharge. How this indicator works depends on the brand. For example, Blu cigarettes have an LED indicator on the carrying case, which flashes rapidly every two minutes when the case's battery is getting low. Mistic and NJOY cigarettes have an LED on the tip of the cigarette itself, which flashes when the battery needs to be charged. Check your owner's documentation for details regarding your e-cigarette.


  • Consult your owner's documentation for specific instructions regarding charging your e-cigarette.

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