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13 thoughts on “Are cheap chinese 18650 battery holders good enough? diy powerwalls”
  1. Avataaar/Circle Created with python_avatars Trail Rider says:

    When I'm working on my packs. I tell my wife to leave me alone.

  2. Avataaar/Circle Created with python_avatars R N says:

    Color code polarity.

  3. Avataaar/Circle Created with python_avatars rosendorx77 says:

    just paint red nail polish on the positive side, simple fix. lol

  4. Avataaar/Circle Created with python_avatars bucketrobbert says:

    is 15v //1.5 amp safe doing a project tomorrow

  5. Avataaar/Circle Created with python_avatars David Hutchinson says:

    Pop in type metal contact battery holders have a finite amount of current that they can accept. The more banks that you connect in series, the higher the amperage. And the more banks that you bolt on top of other banks also reduce the amount of heat transfer to the air. Those 2 things are why I don't use this method of battery connections. I have seen a few battery holders do a complete "meltdown". If you live in a perfect world, then you won't have any problems. But if you live in my world, then look out! I have resorted to other, more solid type of connections. I hope that a manufacturing company will come up with a better method. We all want an easy to swap-out alternative to soldering or welding batteries together in order to get the amperage we need. Thanks.

  6. Avataaar/Circle Created with python_avatars Jay D. Anderson says:

    I believe the fact the terminals are not welded or soldered so no molecular bond there for the electricity to travel you have maybe a single point on the ends of the cells touching the holder conductor and creating high resistance there and so high temperature. Best go back to more surface contact soldered/welded/screw-terminals for a more solid lower resistance connection.

  7. Avataaar/Circle Created with python_avatars Serj Balabay says:

    120ยฐF = 48.8ยฐC

  8. Avataaar/Circle Created with python_avatars Din Do says:

    measure first the ambient temp then test each at constant current

  9. Avataaar/Circle Created with python_avatars kevdog20 says:

    Yes always safety first

  10. Avataaar/Circle Created with python_avatars Melca K. says:

    if you are that stupid you should not be putting boards together, you'll end up burning down something and killing someone. of course when you don't concentrate that is another matter right Jehu??!!

  11. Avataaar/Circle Created with python_avatars Haydar Kadhim says:

    What type of thermal camera you use?

  12. Avataaar/Circle Created with python_avatars Poniah Thasan says:

    what are you using to see the heat cells? Can I do it with my iphone 8?

  13. Avataaar/Circle Created with python_avatars Toke Andersen says:

    Paint a red line on the positive side and ignore the printed + -.

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