In this quick and easy tutorial, I am going to show you how to change your battery wraps. It is very important that your wraps remain in good condition with no tears to avoid any dangers associated with exposed batteries. Essentially the whole outside of an 18650 and similar batteries is the negative and the very top post is the positive. If you have a tear in your battery wrapper, when inserted in your mod or anywhere where both of these areas could touch this could lead to a short circuit and your battery can vent/explode.
To rewrap your battery, all you need is some battery wraps, a hairdryer or a lighter and your battery. The hairdryer is the safest option but I just use a lighter because it is a bit faster and it’s also quieter to use. If you do use a lighter be very careful not to melt the wraps, they are very thin and they can melt very easily. Keep the lighter a good distance away from the battery and wrap, just the heat coming off a few inches above the flame is all you need to seal the wrap. I do not recommend that you use a heatgun for applying battery wraps as they are extremely hot and can damage the wraps, your battery and your hands.
Follow the steps in this tutorial to find out how to rewrap your batteries safely and quickly.
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Step 1: Start by removing the wrap from your battery, usually you can do this with your fingernail by flicking up at the edge of the wrap on the negative side of the battery. If you have to, you can use a blade or a knife but be very careful. A better idea is using some ceramic tweezers or non-conductive tool to remove your wraps. If anything metal bridges your positive and negative terminal it can short out the battery which can lead to a battery vent or explosion.
So that’s it. It really is quite easy to rewrap your batteries and when it comes down to it, battery safety really is paramount when it comes to vaping. A very high percentage of battery failures are because of damaged wraps. Make sure to check your wraps whenever you remove/install them in your mods, it only takes a few seconds and really could save you from a horrible accident.
Check out the video version of this tutorial below: