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  1. L

    bluetooth BMS?

    Hello, I'm building an escooter and battery. Qs260 v4 8000w hubmotor,and spim08hp cells for right now to get me started. My question is about wiring a common port or separate port bms for charging only. I have a wiring diagram for a separate port bms for charging only. Just run a 2nd wire from...
  2. L

    Common port or separate port for Bms wiring for charging only

    Also,if this is correct,can I wire any bms like that? I'm using 20s 1p right now but once I wire this correct,I'm doing 20s maybe 4p or 5p.
  3. L

    Common port or separate port for Bms wiring for charging only

    Hello, I'm building an escooter and battery. Qs260 v4 8000w hubmotor,and spim08hp cells for right now to get me started. My question is about wiring a common port or separate port bms for charging only. I have a wiring diagram for a separate port bms for charging only. Just run a 2nd wire from...
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    Running parallel battery pack. I need help please.

    Actually there 12c not 10c,if that makes a difference. So I would be running Them at 6c peaks and 4c constant. Maybe I can do 5c and 3c to start out with and see if they heat up at all
  5. L

    Running parallel battery pack. I need help please.

    Ideally I would get something bigger but I would need to spend about double for 21700 or lifepo4. Plus I don't know if I could wire and program bms. And buying a pack pre-built is like 3 times as much as these lipos
  6. L

    Running parallel battery pack. I need help please.

    I was thinking of 1/8 or .25 inch spacers between each battery because they will be stacked with only the sides exposed
  7. L

    Running parallel battery pack. I need help please.

    No,maybe 2-3 times a week
  8. L

    Running parallel battery pack. I need help please.

    Hello, can I ask a question about lipo wire guage? I've seen alot of mixed answers on this. Im buying 5 of the turnigy 10c,20 ah, 4series lipo. I'm replacing the xt90s it comes with,with as150 connectors. Il be connecting them in series to get 72volt nominal. I'm putting the as150 directly where...
  9. L

    QSMOTOR,0.5-12kW Electric Hub Motor & Mid Drive Motor Manufacture China

    Hello qs,I sent u an email a couple days ago on your website. I'm interested in the 12inch, 260, v4, 50 or 60h,7000 or 8000watt. I have three 6s, 20ah, 12c, lipo batteries for 66.6 volts nominal and a 72volt 300 phase amp kelly controller(more like 100 amp). I'm upgrading to two of those 66...
  10. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    I'm going with the 8000w 273,not the 12000,too much for the 12000. I looked at some of the specs and it looks like it's actually the qs273 that has a 277mm axle and the existing hub on the scooter has a 272mm axle. But the dropouts are wider on the existing wheel. I think this will be a little...
  11. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    I was thinking about getting a qs273 8 or 12000w 72 volt. Instead of the fat tire. I will still have a 18 inch tire so it will match the front, but it will be a little thinner. I'm looking for power. The axles are almost the same length ,qs is 275mm and fat tire hub and frame are 277. But i...
  12. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    I know there is a couple signal wires(12v 5v)Is that where the light goes to or does it go to the brake lever or?
  13. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    O I see now that's the brake lever. What about the brake light tho
  14. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    Thanks and where does the brake light get connected,I see that little doorway looking thing on the wiring diagram,what does that mean? Where would the rear brake light go to?
  15. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    So I'm converting a fat tire scooter from 60 volt to 72 volt,but the biggest qs motor is an inch or 2 short for the dropout. I think qs 12000w said 150 dropout and 275 total axle length and my scooter is 255 dropout and 277 total axle length. So there about the same length but the dropout is...
  16. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    Thanks, sounds good
  17. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    Thanyou for answering my question,if u don't mind I have another. I'm a newbie at all this but I'm learning quickly, il be upgrading a 60 volt fat tire scooter to 72 volt. I'm buying a 72 volt hubmotor battery and controller. Can I set up a jig of some sort to put the wheel in,in order to get...
  18. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    In a perfect world I would be able to just switch out the controller and motor on the original scooter,that way I could use the original throttle, 3 speed,brakes,display and signal lights that are already on the scooter. The Hard part for me is wiring all the extras. I think I understand the...
  19. L

    QS 138 70H with Gearbox

    Hello,I've been looking all over and I can't figure out what the "h" means in 70 h,please let me know
  20. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    So not to be redundant but il give you a rundown of what I have and what I'm upgrading to. 60 volt fat tire scooter from fatbear scooters.18 by 9.5 inch tires. 60 volt 12 ah lithium battery and no name controller. I'm upgrading to 72 volt 2000 watt hub motor of the same dimensions and same...
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    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    So I'm changing the name of this to "upgrading from a 60 volt to 72 volt scooter and wiring kelly controller" I'm figuring this out little by little so il just keep posting my progress so other people can learn from my successes and mistakes.
  22. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    Hello I'd like to ask a question, would I be able to put my hub motor on a jig of some sort in order to get all the wiring and some of the programming of the controller done? Then program the basics just to get it running and spinning. Then I could unhook everything and install it in its final...
  23. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    So one thing I can't find alot of info about is matching a speedometer/ battery lever indicator / voltmeter display. Do all 3 of those measurements come on 1 display or would I need multiple little displays? I saw battery level indicatator on throttles but the only throttle option on the kelly...
  24. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    https://www.amazon.com/Panapo-Signals-Wireless-Taillight-USB-Rechargeable-Installation/dp/B07PMBWVTH?ref_=d6k_applink_bb_dls_failed I hope that link worked,this could really simplify the turn signals and taillight and I'm gonna look for a head light that works wirelessly also. The only...
  25. L

    Upgrading to a 60volt fat tire scooter to 72 volt and wiring kelly controller

    Hey thanks again for ur knowledge, I was also looking at non hub motors,like a middrive ,but without the gears,just a motor with a little sprocket on it, I would be able to use that with a regular rim and with a sprocket on it,I like the clean look of the hub motor tho. I'm def gonna go with...
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