Safe to use?

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VeteranTrickster

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Mar 28, 2018
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So, as you can see, my batteries have these 4 dots on - and + sides. What are these? Safe to use? And I don't even know where I got these, found them from my box
 

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stols001

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That looks super likely, based on the pictures. Where did you get the batteries? I probably wouldn't use them, and if you bought them somewhere, I would probably return them.

For safe battery care and handling, as well as in Mooch's blog a table that contains tested authentic batteries and in the last cell lists reputable suppliers, if you have access to such suppliers (and there are EU lists of authentic battery sellers too, if you are from Europe, although I don't have a list of them, sorry) I would use a reputable seller. They're usually cheaper than vape shops or other avenues, and you know that what you are getting is genuine. They are also often much cheaper than vape emporiums as well.
https://www.e-cigarette-forum.com/blogs/mooch.256958/

https://www.e-cigarette-forum.com/blog-entry/baditudes-blogs.7609/

Best of luck, and I hope any of the above is useful.

Anna
 
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Baditude

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Those dots are where the batteries were spot welded with straps to create a battery pack.
I agree with this.

The issue is whether those batteries received any physical damage when the spot welded straps were removed from the batteries.

images


There are some very fragile and important parts to a battery that you can't easily see, primarily under the positive pole. Those parts are important because they are what allow the battery to vent gas should the battery undergo a venting incident. There is no way to determine if there is damage to those parts unless the battery is taken apart and inspected. At that point, the battery is already ruined.

Bottom line: Don't use those batteries.
 
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