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  1. C

    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    i have BMS v4.4 and i get problems with ... i can't get the fet activating by itself ... if i bypass it the charge cycle is fine and the led switch from orange to red at hvc ... but if i don't bypass the fets the charger don't detect anything !but i can read the voltage at the pole of charger...
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    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    How can i manualy activate the BMS like the older version ??? my charger dont send voltage until it detects 70v+ !!! Tanks Chris
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    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    I run 28S of lifepo4 at 11.3 amps ... its not that hard ... but why when i connect the PACK connector the charge light come on and red ??
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    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    I have problems with my BMS V 4.4 ... when i connect my BMS to pack the red light come on ! and if i play with the pots it turn off ... when i have connected the charger the light change to orange ... but the fets getting very hot ... i have try to turn the pots and the irfb4110 have explosed ...
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    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    Are u Sure :O i have build all the board ... and i have installed as picture show ... (-) on the base ... This is very important to reverse that 47uf ??? If yes i will rebuy 32 :( Tanks Chris
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    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    Hi ! i just want to know why on BOM its saying 1 x 512-FDP036N10A but on Board have 2 place for Q3 do i have to buy 1 more ??? And one more question ! For the 512-1N4004 its saying 1x on bom list but its saying 2x on D3 and D7 ??? !!! Tanks Chris
  7. C

    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    Someone in the USA interessed to buy the Screw and metal plate from MCmaster.com ... they not accept canada orders :( !! I can pay commsiion !!
  8. C

    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    Tanks !! And using 652-3362X-1-102LF insted of 652-3362F-1-102LF is ok ????
  9. C

    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    Can i replace 270-210-RC by someting else ???
  10. C

    Even Newer 4 to 24-cell Battery Management System (BMS)

    Can i buy 28S Preassembled board ??? Tanks
  11. C

    Even Newer 4 to 24-cell Battery Management System (BMS)

    Hi !! I'm very happy to hear this !! so this is possible for some one like me to get 28S version ?? Tanks Chris
  12. C

    Even Newer 4 to 24-cell Battery Management System (BMS)

    Tanks for the reply !! I just have last question ... if i'm interessed to get PRÉ assembled and tested BMS for 28S of Lifepo4 it it possible ?? with a case if possible ! I dont care about the price !! I need a BMS Fast :D I think i can test the first release of the STABLE version !! I will...
  13. C

    Even Newer 4 to 24-cell Battery Management System (BMS)

    i'm looking for a BMS for my 28S !! Its Lifepo4 ... I currently have the 2.6 and now the charge controller is defect im looking for a brand new BMS !! What i have to buy if i want balancer + HVC + LVC ???? Tanks for reply
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    BELIEVE IT OR NOT...20kW (26hp) in a 5305.. DONE =)

    I Eat all scooter there in quebec with 70CC or 80CC ... Scooter running with a STRAP its impossible for a scooter to get the torque i got ! The bike weight is 90 Pounds ! and scooter arround 150 (Newer) and 100 for the older model ... And i have no problems with Wheelies ! If i program my...
  15. C

    BELIEVE IT OR NOT...20kW (26hp) in a 5305.. DONE =)

    Lol u not see my torque arms :) ITS INSANE :twisted: 1/2 inch of steel ! I will post some picture !
  16. C

    Even Newer 4 to 24-cell Battery Management System (BMS)

    REALLY ??? The board is ready ??? I Hope :) Tanks Chris
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    BELIEVE IT OR NOT...20kW (26hp) in a 5305.. DONE =)

    This is one picture of the bike ... I have try to keep a nice look ... Please tell me what u think about it !
  18. C

    Even Newer 4 to 24-cell Battery Management System (BMS)

    how can i connect only 4S breakout to make a 28S for my Lifepo4 ??? like 7 board interconnected ???
  19. C

    Even Newer 4 to 24-cell Battery Management System (BMS)

    Any news about V4 ??? it is possible to use older V2.6c 4s section with new charge controller ???
  20. C

    BELIEVE IT OR NOT...20kW (26hp) in a 5305.. DONE =)

    That's my Build :) I love the TORQUE FROM THIS SETUP !!!!!! Tanks Doc :)
  21. C

    BMS 28V Schematic

    Tanks for this information !!! This will be Helpfull !! Chris
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    Even Newer 4 to 24-cell Battery Management System (BMS)

    If i have a CC/CV charger charge to 103.4 Volts the V4 its perfect for my setup ? When do u think i can get an BMS from u :) ??? My actual setup is : 28s5p of A123 Tanks Chris
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    BMS 28V Schematic

    Anyone have 28V battery please !!!!
  24. C

    Instant Start 18 fet Infineon Boards are here...

    Now i will precharge my controller ... :twisted: Tanks to an awsome doc :P I will enjoy the torque of my bike :) Chris
  25. C

    BMS 28V Schematic

    Anyone have 28V dewalt battery ???? Tanks Chris
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