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  1. D

    $14.99 72v Sunwin Controller

    need some help i got a problem with a controller everythings working but throttle tested throttle and its good but when i plug it in to controller i cant get it to work if i short power to digital in pin it works but wont work threw the throttle also the 5v and the negitive are good what can...
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    Passion eBike 6 FET Kunteng Controller (S06S)

    got a kt24 gyc04 6 fet im having problems getting throttle to work im able to get motor to move when i hold down button on lcd but tryed 2 throttles and still cant get it to move if u meter the signal wire unpluged on throttle side controller is got proper voltages when i move throttle...
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    $14.99 72v Sunwin Controller

    got a 18fet with 4115 fets i plug everything in but nothing happends i checked fets cant find a short i plug in learn connecter some time motor spins up but rare what can be causing problem tested another controller and theres no problems running 72v is there a way to wire up the fault...
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    Votol EM-100 & EM-150 controllers

    cant find any em300 listed where u get price and how do i order
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    Votol EM-100 & EM-150 controllers

    where can i order an em200 or em300 im going nuts trying to get my hands on one also planning to run 24s of nissan leaf cells so far built a bike with an em300 snd its a dam rocket ship id like to get one for my self also there not software locked are thay ?
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    KT motor controllers -- Flexible OpenSource firmware for BMSBattery S/Kunteng KT motor controllers (0.25kW up to 5kW)

    hey guys wondering if some one can help me out i got a kt 18 fet i got with 4110 fets and 100v caps moded to it also built up the traces does any one know how to make the power on circut support 100v i can replace the voltage reg with a dc to dc converter but is that only thing i need to...
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    daymak eagle mods ruckus parts

    update pics
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    daymak eagle mods ruckus parts

    ok guys if been away from forums for a few years thinking of coming back starting a new project got a free honda ruckus/zoomer clone called daymak eagle plan is to put a 100v 18fet controller and hoop up this escooter
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    battery medic mod :P fast discharge

    Simple toss that baby on discharge and look for the aray of resister with same value that make heat
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    Modding my EB236 150V controller the same as my EB318 12kW

    me and stevo did 150v controller with 4115 thay whould blow out under load and did it on a 32fet did same we changed fets to bigger batch fets and problem was gone it may have somthing to do with switching because only one whould blow ramdomly threw out the controller we wired the 12fet...
  11. D

    So, my brother wheelied my bike.......

    and thiss is y thiss year im going to add a plate to protect the shaft and wires from side hits
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    battery medic mod :P fast discharge

    just quick update there still going strong :P also noticed in cold thay read off then at room temp also thay make amazing hand warmers :P guess i found a use for thoes old turnagy cells that where a few mah low for the pack i salvaged lol
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    battery medic mod :P fast discharge

    i know what u mean only thing is thay will be few .03 mv off but its not bad id love for them to be dead on but its cheeper then buying a 400$ bms also one tip id do is replace the conecters with good gold plated conecters or u solder some vga conecters to the cells ballence tabs and...
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    A123 20AH cells source?

    i think we should arange a swarm buy im intrested whats there c rateing just wondering
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    "Zephyr" - Finally, the "v4" Fechter/Goodrum/Hecker BMS...

    was wondering i need bare boards u got some in stock ill send u pay pal payment for a 24s lipo bms
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    to-220 mosfet to to-247 PCB

    was wondering for wheel lock problem is there a way to control how much amps u can use up to a preset speed wonder if its posible because u chould make a amp limiter up till it starts moving above 3km or at least 1 rotation almost like a pedle start what u guys think ? thiss will also fix the...
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    18FET to 12FET TO247 controller conversion

    did it with a 12fet with stevo lol kmx flys almost killed him self to as we where doing a speed run lol wiped the kmx its on youtube lol did 107km so far keep amps low as posible u will see 100 amps easy even tho ur shunt is a 50a shunt still messing with the controller tho
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    battery medic mod :P fast discharge

    acualy i was thinking of mounting the hot side of a pelter to the resisters so it can create power on the pelters positive and negitive side :P saw somthing on instrustables on how to make a power with pelters useing cold or heat :P may be enouf to power a small fan :P if not just slap a...
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    battery medic mod :P fast discharge

    Still working strong lol lost 3 of my back plates :( so i guess 3 will be be back less lol i got 2 amp discharge out of them max ran them for 20 cycles runs amazing only thing is jst wires get hot lol so ill stick to 1 amp lol disscharge lol also resisters get super hot at 2 amps lol...
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    Battery Medic Calibration

    im currently working on a way to calibrate the medic so far found out thay use resisters to calibrate but need to test thiss so far found theres 2 models of the medic one has big chip under the other has a black epoxy dot the dot one is crappy the chip type one is better from what if found...
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    battery medic mod :P fast discharge

    Iv used the first one I did for a year with no problem been useing meanwell supplies to charge 100v 15ah Turnagy packs so far about 19 cycles with the BMs moded thay run good just keep them face down to help with heat next mod is replacing the crappy jst that cause the voltage reading problem...
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    battery medic mod :P fast discharge

    UPDATE here is the finished product its fits in the case and is thin to here are the pics what i did was a removed all the smt resisters on the board and put one 3.9ohm 3w resister that added up to the total value in the end it discharges 1A per cell i did mod it to go as far as 2A but the...
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    to-220 mosfet to to-247 PCB

    WOOT me and steveo just did a run tonight with the 12 fet controller runing the bigger fets and it ran :P and jesus crist was it fast lol need a seat belt to keep his ass on the trike lol got vids are going up soon going to make a new vid soon got radar gun :P to get proper top speed so stay...
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    battery medic mod :P fast discharge

    i ordered both from hobby king and ebay and found thay are acurate the ebay ones are 18$ shiped the hobby king ones are 23$ and thats b4 shipping so far i noticed if the resisters inside the smt ones look smallaller then normal it varrys in voltave 2mv diffrence but thats nothing so far left...
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    battery medic mod :P fast discharge

    Just an update the Balancing are still going strong no problems one good thing there good for is lipo chargers that have weak and slow balancing I just use thease Badboys and thay do an amazing job now I'm going to work on a way to include the resisters in the stock caseing just ordered new...
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