Recent content by JohnQ

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  1. J

    18650B Battery with unusual? add on

    Looking at the one of the old batteries a little closer I believe I can use a protected 18650 with a button top. The dimensions are correct and the power ratings match. I removed part of the old battery to see how the button/circuit is mated to the cell-
  2. J

    18650B Battery with unusual? add on

    Thanks for the insight folks. After reading through most of your posts again and looking over the old battery I’ve got it sorted out. The batteries I ordered initially did not have a protection circuit and the dimensions were obviously different lengthwise. They looked exactly the same just...
  3. J

    18650B Battery with unusual? add on

    Just to clear a few things up here, I'm not a dentist. I'm a fireman. My wife is a dental hygienist. I can't/won't speak to your personal experience with a dentist as I didn't come here to debate healthcare. Perhaps the reason for your $400 cleaning/x ray was due to the presence of severe gum...
  4. J

    18650B Battery with unusual? add on

    Thanks for the insight. I'll be sure to post a picture tomorrow of what is in the power pack. The battery had a non descript label applied with the loupe maker's company information but no battery information. Fortunately the battery label was still underneath. And you're absolutely correct...
  5. J

    18650B Battery with unusual? add on

    Hello all. I'm trying to replace the battery in a power pack for a set of dental loupes. The battery is an 18650B. After ordering a receiving a new pair of 18650B I notice the stock battery has some sort of cap or cover over both ends that connects along the side of the battery. Unfortunately...
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