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  1. J

    Advise for BMS 72V 24S Headway battery (40160)

    Hallo. I have a problem with installing and connecting a BMS in my 72V Ebike with 24pcs. Headways cells type 40160. I spend already 2 pcs. of the capacitor type http://www.evassemble.com/index.php?main_page=product_info&cPath=6&products_id=46 The 1st one was fried because of misconnection and...
  2. J

    Problems with Ecitypower BMS type S3-24 ?

    Good day to all. I requested Ecitypower for a wiring diagram for use of their BMS type 3-24S (50A-100A), because it was not possible to download it from their website. After they requested me for a photo, they send me the wiring diagram. A few days later and much to my surprise, a person named...
  3. J

    Loose negative terminal in Headway cell

    Hallo to all. When I was firmly (I think too firmly) screwing 40160 Headway cells to each other head to tail (I used threaded M6 bars), it appeared that at the end, when the negative terminal became fixed to the positive terminal of the other cell, it was still possible to rotate the cell body...
  4. J

    Advantages and disadvantages Headway vs. Prismatic Lifepo4 c

    I want to built a 72V16Ah Lifepo4 24S battery pack and want to use it with a 40A ebike.ca controller on my EV. I now have to make a choice between cylindrical or prismatic cells with soft, or with hard shell. So far I have seen that price, weight and compactness is a little in the disadvantage...
  5. J

    Capacity loss 48V16Ah. LiFePO4 battery

    Hallo everyone, I am new to this forum as a writer, but as a reader I am a frequent visitor. Thanks for all the information and pleasure that I have had when visiting it. The reason for starting this topic is that my 48V16Ah. battery (16 x cell EP1181245, Vcharge=3.65V, Vcut off.=2,4V...
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