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How to Charge a JUUL with a Phone Charger Download Article Make a DIY JUUL charger with an iPhone or Android cable Co-authored by Devin McSween
Last Updated: February 8, 2026 Fact Checked
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Charging a JUUL with a Phone Cord
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Using the JUUL Charger
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Tips
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Warnings
|Show more|Show less X
This article was co-authored by wikiHow staff writer, Devin McSween. Devin McSween is a wikiHow Staff Writer. With a background in psychology, she has presented her research in social psychology at a variety of conferences and has contributed to several manuscripts for publication. At wikiHow, Devin combines her love of writing and research with the goal of bringing accessible information to wikiHow readers that will help them learn and grow. She earned her BS in Psychology from the College of Charleston. There are 7 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 334,158 times. Learn more...
If you’ve lost or misplaced your JUUL charger, there’s a simple hack to charge your JUUL without buying a replacement. Just cut a few wires inside an old iPhone or Android phone cord and place them against the bottom of the device to charge it up! Keep reading to learn how to make a JUUL charger, as well as how to use JUUL’s branded charger.
Easy Way to Charge a JUUL without a JUUL Charger
Snip the small end off of a USB phone charging cord. Cut off the insulation from the cord and separate the black and red wires. Then, strip the red and black wires and touch them to the right and left sides of the bottom of the JUUL.
Steps
Method 1 Method 1 of 2:
Charging a JUUL with a Phone Cord
Download Article
1 Cut the smaller end off of a USB phone cord. Grab an old iPhone or Android cord, or use any other micro-USB charging cable with a USB plug. Then, take a pair of scissors and cut off the end of the cord that plugs into your phone, leaving the USB end intact.[1]XResearch source
If you’re using a damaged USB phone cord, cut off the damaged portion.
Throw the cut end of the cord away.
Warning: Ensure the phone cord is unplugged before cutting it. Cutting the cord while it’s plugged in can give you an electrical shock.
2 Cut off 1 to 2 inches (2.5-5 cm) of the cord’s insulation. Phone charging cords are covered in insulation that protects the wires inside; you need to expose the wires to charge your JUUL. Use your scissors to cut a circle around the cord’s casing, being careful not to cut through the wires. Then, pull the insulation off the cord.[2]XResearch source Advertisement
3 Strip ¼ to ½ inch (0.6-1.3 cm) of insulation off the red and black wires. Separate the red and black wires from any other wires inside the phone cord. Then, place the tip of your scissors around the red and black wires’ insulation and carefully scrape off the plastic covering. This fully exposes the copper wires.[3]XResearch source
Your phone charging cable might contain green and white wires, which you don’t need. Either snip them off or fold them back against the cord.
Note: The black wire might be in a silver casing in some phone charging cords.
4 Set the red and black wires against the opposite ends of the JUUL’s bottom. Separate the red and black wires so they form a “V” shape. Then, lay your JUUL device on a flat surface so the charging light faces up. Position the red wire against the left-most contact on the bottom of the JUUL and the black wire against the right-most contact.[4]XResearch source
It’s okay to place the red wire against the right contact and the black wire against the left contact. Just make sure the wires are separated and touching the contacts at the edge.
You may need to position your JUUL device differently so the wires don’t fall out.
Warning: Do not let the red and black wires touch when the cord is plugged in, as this can create an electrical spark.
5 Plug the cord into a USB wall charger or power bank. Insert the USB end of the phone cord into a wall charger or a portable battery. Do not use a laptop or other electronic device; this can cause a short circuit and damage your device.[5]XResearch source
Make sure your power source is nearby so you can adjust the wires if needed.
Warning: Do not leave your new JUUL charger plugged in when you're not using it. The live, exposed wires can start a fire.
6 Secure the wires in place with tape or a heavy object. To hold the wires against the bottom of the JUUL, place your scissors, a utensil, or another heavy object over the wires. Or, secure them in place with electrical tape. When your JUUL is charging, the light on the front of the device illuminates.[6]XResearch source
If the JUUL’s light doesn’t start blinking, plug the cord into another USB charging device.
Leave your JUUL device to charge for about 1 hour, or until the light turns green.
Warning: Never leave your JUUL device unattended while it’s charging, as the exposed wires can potentially start a fire.
Advertisement Method 2 Method 2 of 2:
Using the JUUL Charger
Download Article
1 Plug the USB charger into a port. The charger that comes with your JUUL device has a USB plug, allowing it to be charged in any device that has a USB port. For instance, plug the cable into a USB wall charger, laptop, or portable battery.[7]XResearch source
Make sure the charger is on a flat surface so your JUUL device doesn’t fall off of it while it’s charging.
2 Set the bottom of the JUUL device on the USB charger. The bottom of the JUUL is the end that has 4 electrical contacts or slots. Make sure the bottom faces down and set the JUUL on top of the charger so it locks on magnetically. Let go of the JUUL once the light on the front of it starts flashing, which indicates it’s charging.[8]XResearch source
Charge your JUUL in a spot where it won’t get easily knocked over.
If the light doesn’t start flashing, make sure the cable is fully connected. Or, try a different USB port
3 Check the charging status of your JUUL device by double-tapping it. If you want to see how close your JUUL device is to full charge, tap the light on the front twice with your finger:[9]XResearch source
If the light is red, the device has a low charge (0-25%).
If the light is yellow, the device has a medium charge (25-50%).
If the light is green, the device is fully charged.
It typically takes 1 hour to charge a JUUL from an empty battery to a full battery.
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Expert Q&A
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Tips
Unlike what some videos online suggest, a JUUL device will not charge by rubbing 2 knives together. Thanks Helpful 0 Not Helpful 0
Order a new JUUL charging cable online or find one at your local vape store. Thanks Helpful 0 Not Helpful 0
Don’t leave your JUUL device with an empty charge for more than 2 weeks since the battery might lose its longevity. Thanks Helpful 0 Not Helpful 0
Show More Tips Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement
Warnings
Always unplug cords before you cut them so you don’t get electrocuted. Thanks Helpful 23 Not Helpful 6
Don’t leave the charger plugged in when you’re not using it and never leave a charging JUUL unattended. Thanks Helpful 2 Not Helpful 0
Use caution when making your own JUUL charger. Using exposed wires to charge your JUUL can be an electrical or fire hazard. Thanks Helpful 1 Not Helpful 0
Do not use a JUUL device if you are under the legal smoking age in your area. Thanks Helpful 7 Not Helpful 117
Vaping and using dab pens may lead to serious respiratory issues and nicotine or THC addiction. Long-term health effects are still being studied, and these products should be used with caution, especially by young adults and those with underlying health conditions. Thanks Helpful 0 Not Helpful 0
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Things You’ll Need
Making a JUUL Charger with a Phone Cord
Micro-USB, Apple, or Android phone charging cord
Scissors
USB charging block or portable battery
Electrical tape
Using the JUUL Charger
JUUL charger
USB charging block or portable battery
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Co-authored by: Devin McSween wikiHow Staff Writer This article was co-authored by wikiHow staff writer, Devin McSween. Devin McSween is a wikiHow Staff Writer. With a background in psychology, she has presented her research in social psychology at a variety of conferences and has contributed to several manuscripts for publication. At wikiHow, Devin combines her love of writing and research with the goal of bringing accessible information to wikiHow readers that will help them learn and grow. She earned her BS in Psychology from the College of Charleston. This article has been viewed 334,158 times. 3 votes - 0% Co-authors: 13Updated: February 8, 2026 Views: 334,158 Categories: Electronic Cigarettes In other languages Vietnamese Portuguese Japanese
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Download Article Make a DIY JUUL charger with an iPhone or Android cable Co-authored by Devin McSween 
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Co-authored by: Devin McSween wikiHow Staff Writer This article was co-authored by wikiHow staff writer, Devin McSween. Devin McSween is a wikiHow Staff Writer. With a background in psychology, she has presented her research in social psychology at a variety of conferences and has contributed to several manuscripts for publication. At wikiHow, Devin combines her love of writing and research with the goal of bringing accessible information to wikiHow readers that will help them learn and grow. She earned her BS in Psychology from the College of Charleston. This article has been viewed 334,158 times. 3 votes - 0% Co-authors: 13 Updated: February 8, 2026 Views: 334,158 Categories: Electronic Cigarettes In other languages Vietnamese Portuguese Japanese 
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1 Cut the smaller end off of a USB phone cord. Grab an old iPhone or Android cord, or use any other micro-USB charging cable with a USB plug. Then, take a pair of scissors and cut off the end of the cord that plugs into your phone, leaving the USB end intact.[1] 
2 Cut off 1 to 2 inches (2.5-5 cm) of the cord’s insulation. Phone charging cords are covered in insulation that protects the wires inside; you need to expose the wires to charge your JUUL. Use your scissors to cut a circle around the cord’s casing, being careful not to cut through the wires. Then, pull the insulation off the cord.[2] Advertisement 
3 Strip ¼ to ½ inch (0.6-1.3 cm) of insulation off the red and black wires. Separate the red and black wires from any other wires inside the phone cord. Then, place the tip of your scissors around the red and black wires’ insulation and carefully scrape off the plastic covering. This fully exposes the copper wires.[3] 
4 Set the red and black wires against the opposite ends of the JUUL’s bottom. Separate the red and black wires so they form a “V” shape. Then, lay your JUUL device on a flat surface so the charging light faces up. Position the red wire against the left-most contact on the bottom of the JUUL and the black wire against the right-most contact.[4] 
5 Plug the cord into a USB wall charger or power bank. Insert the USB end of the phone cord into a wall charger or a portable battery. Do not use a laptop or other electronic device; this can cause a short circuit and damage your device.[5] 
6 Secure the wires in place with tape or a heavy object. To hold the wires against the bottom of the JUUL, place your scissors, a utensil, or another heavy object over the wires. Or, secure them in place with electrical tape. When your JUUL is charging, the light on the front of the device illuminates.[6] 
1 Plug the USB charger into a port. The charger that comes with your JUUL device has a USB plug, allowing it to be charged in any device that has a USB port. For instance, plug the cable into a USB wall charger, laptop, or portable battery.[7] 
2 Set the bottom of the JUUL device on the USB charger. The bottom of the JUUL is the end that has 4 electrical contacts or slots. Make sure the bottom faces down and set the JUUL on top of the charger so it locks on magnetically. Let go of the JUUL once the light on the front of it starts flashing, which indicates it’s charging.[8] 
3 Check the charging status of your JUUL device by double-tapping it. If you want to see how close your JUUL device is to full charge, tap the light on the front twice with your finger:[9]