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  1. J

    check 18650 battery diagram

    hi, i'm building a battery from 18650's (not decided on type yet) could someone check my diagrams I am not sure on were to put the positive and negative leads. The battery is going to be 18s8p. the brown lines are 8amp re settable fuses and the yellow are balance leads.
  2. J

    20S2P with 4S lipo

    Hey guys, Im trying to find a way to easily charge and discharge a 20s2p lipo pack im going to build with 4s hardases, here is my diagram for the series wiring. The bottom lines indicate where it will be connected to a 4s2p pack that i am connecting with 2 to 1 connectors for hobbyking
  3. J

    74v 20ah Li-Ion battery build

    this is what I have so far could someone with experience look over this so I don't get KFF :D I also have a few questions would the negative terminal have to be on top left and the positive on bottom right? can I use the cheap alibaba batteries? how long it would take a noob to build this...
  4. J

    Please help!!! Wheel size

    I plan on buying a 72v 20ah lifepo4 and using a crystalyte H35S but i need help determining if i should use a 20in back wheel and 24in front, or 2x 24in, or a 24in back and 26in front. I am also open to any other wheel size suggestions. I would like as much torque as possible for wheelies while...
  5. J

    help building an awesome E-bike

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