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  1. C

    Ebike Controller Took A Crap suddenly

    So the other day I decided to take out a 1 of the 2 shunts that my 48v to 72v controller had to cut my amps to 20 amps rather than 40 to test and see if my range would improve on my batteries and it did. I was able to ride into another county on 1 charge and all was working fine, even after the...
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    Suggestion to make my Ebike look nicer?

    hey anyone got any suggestions to make my ebike look nicer? I have it working and everything is hooked up and working right, I have it on a full suspension bike frame and so far so good, but I am wondering on what I could do to make it look more nicer mainly for where the wires come out the...
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    One of my Multistar Lipos is draining too quick than others

    Okay So I have 3 Multistar 4s 10ah lipo packs and on the third one the sides are fatter than the others and for some reason Cell #1 was drained to 2.8v and all the other 3 cells were at 3.5 to 3.7v, any idea why the first cell drained too quicker than the others? Should I try to balance charge...
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    How Do I limit my speed or watts for more range?

    Hey so I wanna do some range tests with a speed limiter with this controller I am using, i already did full throttle test with the LiPo batteries i got but i only get about 10 miles per charge at 30 to 35 mph so I wanna limit the speed or watts and it says in the diagram there is a power 350w...
  5. C

    72v 40a 1000w hub motor Test Ride Spring 2017

    Here is the video of my ebike earlier today how well it performs on 72v at 40 amps. Top speed was 41 mph in the first half of video then had slowed down a little to stay the speed limit of 35 mph going into town https://www.youtube.com/watch?v=ujzAo04fl2g
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    Throttle wont send power to motor all of a sudden

    So yesterday my ebike was running fine and i let batteries charge over night. I have 12s lipos 10c 10ah multistars, well now the bike is deciding not to run at all today twist the throttle nothing happens, i checked all the soldered connections and connectors and they are all connected properly...
  7. C

    Having issues charging one of my new Lipos

    Okay so I got 4 multistar 4s - 14.8v 10c 10000mah batteries and I rode my bike to try it out, was alot of fun etc, so they are discharged low had to wait a couple days for charger to finally come in cause ppl at FedEx are snails and now all my batteries except one will charge, at first I got...
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    How do i fix my Front Wheel Spokes

    So last year my spokes ended up loosening so much that my wheel got noticeably shifting side to side, finally re-tightened spokes and now I am dealing with my front end bouncing up and down repeatedly due to the wheel shape not being a complete circle. Any help, Ive been trying to re-adjust...
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    Trying to find a 60v or 72v charger

    I am trying to find a good charger that plugs into outlet AC and charges a 4x 4s 14.8v pack for my ebike but I cant seem to find any just standard 60v or 72v chargers that are commonly used for charging SLA. Would those still work for charging a 60v lipo pack that goes to say 67.8v when fully...
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    Ebike wont run after sitting a few months

    Okay so I am trying to get my bike running and ready for spring and for the new batteries I hooked my old batteries to it and it's not spinning the motor at all when I push the throttle it is a lot of dust on it though any help I hope it's still fixable it was running before I just hadn't have...
  11. C

    Prepping up for my 18650 battery build

    Ok so I so far got 24 18650's, i can start the process now and have only 48v at 4.4ah or i can wait more to collect more packs to bump up the capacity to atleast 8.8 otr even 10ah. Does anyone know any good 48v chargers for lithium batteries? Or would my current 48v standard charger work aswell...
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    12v 7ah batteries barely giving me a mile per charge

    Hey so a few mnoths ago I bought 8 SLA batteries 12v 7ah each, and at first i had got about 3 to 5 miles per charge out of them and now I have them wired for 72v hoping my bike achieves 40 mph but the batteries for some reason are so weak that they barely will get me a mile on a charge and it...
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    Bought new 48v-72vb controller, having trouble wiring

    Ok so I am having issues trying to figure out how to wire my thumb throttle red button to the controlelr to turn te bike on and off, the two wires are yellow and brown. And here is a diagram of the controller wires, please be a little specific when helping.
  14. C

    Help with running 60v or 72v on my 48v 1000w controller with

    Ok so I have been wondering if anyone could help me identify how i can make this controller allow 63+ volts to the hub motor cause i wanna go a little more faster than 28 mph, any ideas where the HVC (high voltage cutoff) would be and how to bypass it? On the back side i see some small writing...
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