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smallexis

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About smallexis

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    Nancy - FRANCE

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  1. smallexis

    I just ruined the tire of my Z10 :-(

    smallexis replied to SanDiegoGuy's topic in Ninebot

    Maybe you can go to a car or motobike station in order to ask if the could repair it for you? I think it's better to see a professionnal before to try by yourself.
  2. smallexis

    Ninebot Z10 - power supply Charge Doctor mod

    smallexis replied to Lukasz's topic in Ninebot

    Same for me, around 50km range if I go slow. For battery capacity, 995wh / 3.7 (mid voltage for a cell) / 14 (number of cells on series) / 6(number of parallel) = 3.2 Ah (capacity for one cell) Again, Ninebot (segway) didn't choose to work with the highest (and real) capacity on the market that is 3500mAh (3,5Ah) for a 18650 cells. I have seen a new cell from LG which capacity is 3600mAh (https://eu.nkon.nl/rechargeable/18650-size/lg-inr18650m36-3600mah-10a.html) So on the same space and shape, it's possible to have 3.6x6x14x3.7=1118wh
  3. smallexis

    Ninebot Z10 - power supply Charge Doctor mod

    smallexis replied to Lukasz's topic in Ninebot

    You're right and I was wrong, my error was to use a bad material to make my tests. I have bought a generic charger 58,8V 5A, and I make full load since 2 months without any problem And I have make an other test by adding the original 2A charger. The load at 7A had worked 1 hour before the BMS security turns on. I was not able to load again before to wait 24h and I was scared to have burned some BMS's component. I don't know what would happen at 6A, but I can say with a current at 5A it's safe and at 7A it's too high.
  4. smallexis
    Yes I have made a mistake about Z series. First attempt at 3A was not a success but it was due to a bad charger. I have tested at 5A and the load is ok on my Z10. At 7A, after 1 hour loading, the BMS security turns on. So there is a security but it's allow to load over 2A but under 7A for a full load.
  5. smallexis
    1 : use a voltmeter for polarity on the board 9 : for polarity you can see on charger (1 + and 2 -) : I have use a 12V motobike key switch (in order to turn off the buzzer, it's only a noise reduction interest). 18 : the app will not detect extra capacity, just the voltage is measured. You can let both batteries connected or not.
  6. smallexis

    Ninebot Z10 - power supply Charge Doctor mod

    smallexis replied to Lukasz's topic in Ninebot

    I have a Z10 and I don't think it's a pre-production. The BMS "protection" system is the same as the MINI PLUS or MINI PRO (can't be loaded over 2A)
  7. smallexis

    Ninebot Z10 - power supply Charge Doctor mod

    smallexis replied to Lukasz's topic in Ninebot

    Ever take care about voltage information in order to make a compare. The max output is the most important value. Anyway it's no possible to have a load with more than 2A, the BMS's "security" make a cut off if the current is over 2.1A. I have made a test at 3A, 2.5A and 2.2A. 3 years ago, an offical Ninebot document announced a fast charger for 9B1 E+, this charger never existed yet.
  8. smallexis
    @jojo33 is right, I have a 3A charger that I can use on my 9B1E but my mini don't take the load with this charger. There is a "security" that causes the BMS to be cut off if the input current is greater than 2A. And it's the same for 9B1 Z series.
  9. smallexis

    Where is my 9B1 battery?

    smallexis replied to smallexis's topic in Ninebot

    Last ride with my 9B1E+ and it's DIY battery https://www.relive.cc/view/rt10000327646
  10. smallexis

    Ninebot One E+ DIY Battery Help

    smallexis replied to MishaPizdetz's topic in Ninebot

    30 cells be careful about amper that will go from external battery to the internal one :
  11. smallexis

    Where is my 9B1 battery?

    smallexis replied to smallexis's topic in Ninebot

    Even if I don't ride a lot with my 9B1, sometime I take it to check if my upgrade still works fine. And yes it's the case :
  12. smallexis

    The Story Behind InMotion And Solowheel

    smallexis replied to Bobwheel's topic in General Discussion

    Urban MCM4 at the begining ("french" name for Gotway MCM3) and a shell bought on aliexpress at the rockwheel store. Original battery can't find a place on it so no other choice than making my own battery. To return a little bit to the subject : if there is some empty places inside your shell, it give a chance to upgrade range
  13. smallexis

    The Story Behind InMotion And Solowheel

    smallexis replied to Bobwheel's topic in General Discussion

    something like that for example : the "snake" battery (16S3P) for my "spider"wheel and every thing works perfectly : https://www.youtube.com/watch?v=IwAtd2A_Tus
  14. smallexis
    Hello, sorry for my late answer but I just see your message today. First, are you sure the battery pack is really dead? it's possible the BMS is on security mode but you can charge cells directly on output plug : try this because external battery will work if internal battery is alive.
  15. smallexis
    @Jbrannen95, I have had a phone call with @jojo33 and he told me your problem if the battery is detached from the mini, which voltage do you have here? if the volatge is between 42 and 45V, it's possible to try this : I have saved my battery with this method but I can't give you the guarantee it will be the same for your battery. good luck
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