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  1. H

    For Sabvoton sine wave motor controller users

    I have the SVMC72100 and have been playing around with it for a bit and have it programmed for the most part the way i would like . But top speed does not seem quite fast enough, (52v 32ah) source. On a previous controller an ERT 12fet i was hitting way more speed. Flux or not normal full...
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    Outdated

    Here for the same reason, looking for the meaning of these functions.... BUMP +1
  3. H

    Final thoughts on battery pack, before welding?

    just wanted to add a few bits of info here, the parallel groups will have custom cut nickle out of .6mm x60mm plate to gain max width and not to layer multi strips of nickle.
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    Anyone from Palm Beach Co, FL?

    Orlando Fl. here, custom GNG mid drive. Been looking for some locals for awhile..... :D
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    GNG, 1000W 48V BB-drive, $400

    Thanks, just dropped my M10-1.50 and wasnt sure what the size was before I found this info..... Saved me some time. LR thanks :D
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    rpm without load issue

    I had thought I had heard at one point in time that there is or was a way to re set your throttle values (min and max value) to teach the controller ..... Yes / No? ..... If so maybe this will help
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    Dont remember how to reprogram the throttle/ hall sys

    https://www.youtube.com/watch?v=Qlk508Jpb_E
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    rpm without load issue

    https://www.youtube.com/watch?v=Qlk508Jpb_E just wanted to show a vid in this link to show what problems I am having. Hope this helps.
  9. H

    rpm without load issue

    Well best I can tell you at this point is its a 1000w controler from yescom hub motor kit. Standerd run of the mill.... When Iget home iI could post a pic if you like. But Isee no mmodel #
  10. H

    rpm without load issue

    Why would my eBike only want to accelerate under load?.... As in if I am coasting at lets say 20 the motor won't want to turn more than about walking speed. But if I come to complete stop and then take off with motor then I get full rpm until I let OFF again. I would have to repeat from dead...
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    Dont remember how to reprogram the throttle/ hall sys

    Tested throttle and this is what i get. black /red= 4.38vdc black / white= 0.81-3.86 or so... peek of 3.92vdc....
  12. H

    Dont remember how to reprogram the throttle/ hall sys

    So the electric bicycle is a GNG setup and have been running for about a half year now.... always runs great until today. this morning on way to work it runs like normal. On my way back home i had a stop to make, turned off the bike 20min later plugged back in and now at this point I am getting...
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    BMS ADVICE what should I go with?

    Controller is about 28 +/- amps And the BMS is 50 +/ - amps I know that it would not be the limiting factor, not at this point in time, but when I get the Kelly controller I want then it would be @ 50-60amps or so, not sure what one I want yet. As I understand it I do not have to use P- as...
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    BMS ADVICE what should I go with?

    This is the exact diagram that i followed with the exception of the watts up meter.....and of course its a 16s setup. I also did not use "P-" because i did not want the BMS to hold back the controler and wanted a detachable BMS for transportation..... hope the helps to paint a picture.....
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    BMS ADVICE what should I go with?

    sorry im on a touch screen keyboard, kinda funny feeling, lol.... so in this pic there are some gator clips for testing the charging mosfet. on an earlier post it was asked of me to get a reading from the two highlighted areas. i can drop a link here if anyone is interested...
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    BMS ADVICE what should I go with?

    well the charger was set to 60.2 at the time that the signalab was installed and never even activated the charger. before i started the charging, all cells were well within balance. within .02 vdc of one another. and i used the light bulb trick to bleed off extra voltage per cell as needed. I...
  17. H

    BMS ADVICE what should I go with?

    so Ill keep this short and sweet, I am looking to acquire a BMS for some Headway cells. The Headway cells are the 10ah 30210 I believe and I have them in a 16s config. So far I have gone with 3 different BMSs, one was a resistor style that came with the headway DIY pack and the other two were a...
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    singnalab BMS "Damn it Jim, He's Dead!"

    both of these pics are measurements from mosfet closet to C- should i get readings from the rest?
  19. H

    singnalab BMS "Damn it Jim, He's Dead!"

    this is with charger ON
  20. H

    singnalab BMS "Damn it Jim, He's Dead!"

    this is what i get with charger OFF
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    singnalab BMS "Damn it Jim, He's Dead!"

    is this what you are talking about? with charger attached the reading is -0.45v with out charger connected 45v
  22. H

    singnalab BMS "Damn it Jim, He's Dead!"

    this was hot off the charger, without BMS and i pulled it off as some cells were reaching 3.9-4.0v
  23. H

    singnalab BMS "Damn it Jim, He's Dead!"

    I am not using the watt up meter, and yes that was just an example.... it was the one example that i could find with clear precise wire diagram. When you speak of the MOSFET being OFF i am afraid i am not sure what you are talking about..... describe please.
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    singnalab BMS "Damn it Jim, He's Dead!"

    test results are as followed.... reading from C- / BATT + = 58.5v this is my charger assigned output reading from B-/ BATT + = 54.2v this is my battery current charge state did i misunderstand you? what should i be looking for to test if bms is passing a charge. 1/ 3.6 2/ 7.2 3/ 10.7 4/ 14.1...
  25. H

    singnalab BMS "Damn it Jim, He's Dead!"

    * Charge current: 5A, this may be what my problem is here! My charger is not putting out enough Amps, Right? Hmm.... what do you think.....
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