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  1. G

    New conversion project for Piaggio Zip 50

    No, it reads about 19ohm and it is shorted to ground (multimeter beeps). So I will have to disconnect all the 5v components? Could this thing have damaged other things like bluetooth module or other 5v powered? I am seriously worried.
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    ASI BAC8000 help wiring

    Yes, disconnected cables. Yes the wiring was poorly produced by the supplier. The display is always produced by him I don't know if it has a brand, at startup it shows the Bull Bike logo of the seller.
  3. G

    ASI BAC8000 help wiring

    hi, the problem of my asi bac8000 is on the 5v line (pin 4 and 8), short with gnd. so i will have to have it repaired. what could be broken inside? do you know what is the electronic part or component that manages +5v? for the short time it worked the display showed a "throttle voltage out of...
  4. G

    New conversion project for Piaggio Zip 50

    hi, the problem of my asi bac8000 is on the 5v line (pin 4 and 8), short with gnd. so i will have to have it repaired. what could be broken inside? do you know what is the electronic part or component that manages +5v? for the short time it worked the display showed a "throttle voltage out of...
  5. G

    ASI BAC8000 help wiring

    There is a GND ground (PIN 15 of controller) to the display, two 12v PINs (PIN 16 of controller), TTL RX (PIN 13 of controller) and TTL TX (PIN 3 of controller). The problem in my opinion is the wiring to the Throttle connector and Brake connectors.
  6. G

    ASI BAC8000 help wiring

    Hi, I bought an ASI bac8000 complete with wiring and display some time ago. I mounted everything but there is no response from the accelerator and the red LED was flashing. Now the display and the red LED do not light up anymore. I found the PIN out of the controller and with a multimeter I...
  7. G

    New conversion project for Piaggio Zip 50

    I contacted the seller because now I think the wiring he provided me was wired badly. looking at the controller pinout I find myself in this situation now (I think the wiring is wrong and I hope the controller is not damaged too 😞): P.s. the numbers of the PINs writed near connectors are of the...
  8. G

    New conversion project for Piaggio Zip 50

    Wiring harness (6p + 16P): https://store.bull-bikes.si/en/home/38-sur-ron-wiring-harness-basic.html With 16P i can connect throttle (3 pin) , brake (x2), ignition and Display (5PIN) and a Red wire to B+ on controller with fuse. Now i'm discharging the battery using a DC-DC 72v to 12v with a 12v...
  9. G

    New conversion project for Piaggio Zip 50

    I bought the monitor together with the controller from the same seller who declares it for ASI so up to 90v theoretically. The strange thing is that the controller conserves energy even if completely disconnected from the batteries. Is this normal? If I try to discharge the battery it should...
  10. G

    Asi bac4000 175eu.

    Are available?
  11. G

    New conversion project for Piaggio Zip 50

    Hi, yesterday after a long time I decided to try the ASI BAC8000 controller that I bought some time ago. I connect everything to the engine and the battery. The monitor also turns on but the accelerator command does not respond. My accelerator has 3 wires: red +, black -, green Signal; while...
  12. G

    New conversion project for Piaggio Zip 50

    Features provided by the seller: BMS Constant 150A / Peak 250A Battery 72v (20S) 70Ah (??P) 30C rate Max discharge cells Weight about 18 kg (weighed on people scale) I don't know the cell code, but the batteries I bought from various sellers on Aliexpress were always 18650-26E 2600mAh...
  13. G

    New conversion project for Piaggio Zip 50

    Can anyone help me figure out how much constant current (A) I can get from this type of battery (safely, without risk of burning)? Thank you
  14. G

    New conversion project for Piaggio Zip 50

    I have a hub motor in the wheel of my Aprilia SR, now I only use mid motors. The measures of the battery are these, thickness 145mm
  15. G

    New conversion project for Piaggio Zip 50

    Hi, unfortunately I can't use these conversion kits because I want to use the original Piaggio transmission. The other time it was a chain with two sprockets (428); this time it's belt driven HTD-8M-25mm with two pulleys. The total reduction ratio is always the same (4.25:1) but this time I used...
  16. G

    New conversion project for Piaggio Zip 50

    Hello everyone, after a long period of absence I am trying to complete my electric scooter (Piaggio Zip SP 50). In the past I used a 72v 56Ah battery, QS 138 90H 4kW motor and Votol EM150SP controller. At the moment my new project is based on an ASI BAC8000 controller (which I bought from Martin...
  17. G

    Noob installing kelly controller, whats a precharge circuit?

    Hello, I just bought an ASI Bac8000 controller and it requires a precharge circuit. I would like to automate the exclusion of the resistor once the main relay is turned on. So could it be okay? Can I use a 5 pole 12v relay taken from a car or will it burn out? Do ANL fuses also exist for 72v or...
  18. G

    EU 84v 20s charger

    i've a 20s 84v 10A charger (in Italy) if you need
  19. G

    Votol EM-100 & EM-150 controllers

    ok, i will not buy a EM200. i think we still use an EM150SP. They also suggested an ASI BAC4000 or BAC8000 but I can't find informative material and manuals of these controllers. Before buying I would like to know how to configure them from a PC, have the wiring diagram and above all know all...
  20. G

    Votol EM-100 & EM-150 controllers

    It was already set up like this by the seller. What does activating the HDC (and HDC Low 6000) entail? Unfortunately the ASI controller I have just seen and it costs a lot, with customs taxes in Italy it would cost about € 620, with that amount (even less) I bought the EM150SP + QS138 90H 4kW...
  21. G

    New conversion project for Piaggio Zip 50

    Thanks for your support and encouragement. As for the choice of the scooter, I am "obliged" to use the Piaggio Zip because it is electric approved and I run no risk if the police stop me. I made two years ago an electric Aprilia SR50R with 4kW motorbike HUB 13"(but it worked maximum at 2400W...
  22. G

    New conversion project for Piaggio Zip 50

    Battery around 73v/73,5v Regeneration set from factory, i don't modify it Set in Page1 set from factory: >Overvoltage 85v >Undervoltage 61v >Softundervoltage 64v >Undervoltage variation 1 >Busbar 120A >Phase current 9960 Page2: >High(%) "100" >Flux Weakening compensation "80" >Flux Weakening...
  23. G

    Votol EM-100 & EM-150 controllers

    Battery around 73v/73,5v Regeneration set from factory, i don't modify it Set in Page1 set from factory: >Overvoltage 85v >Undervoltage 61v >Softundervoltage 64v >Undervoltage variation 1 >Busbar 120A >Phase current 9960 Page2: >High(%) "100" >Flux Weakening compensation "80" >Flux Weakening...
  24. G

    New conversion project for Piaggio Zip 50

    I contacted the seller of the controller and motor kit but undaunted he claims that all the damage was due to the battery and the fuse which he said did not work. All he deduced by looking at the photo of the burned scooter in which you can see the frame and little else. How he came to draw this...
  25. G

    New conversion project for Piaggio Zip 50

    Here are the few photos I took when the scooter was finished: Some technical details: 0-50 too strong, not measured as the scooter wheeled 0-100 around 8 seconds Top Speed Tacho 125kph (117 GPS) Reduction...
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