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  1. D

    Capacity difference

    Upon scavenging a bunch of cells to build a 72v pack. I have a varied of LG and samsung cells. What would be the Mah tolerance between the cells? I was reading at most the should only be a 30 Mah difference. Of course the cells with similar capacity will be match in parallel. I was curious if a...
  2. D

    12.8 Lipo4 pack

    I going to be creating a small lipo4 pack that will be 90ah. Any suggestions for a bms and charger
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    Ebay motor

    Are the ebay 48v 1000w motors any good? I won a bike in a raffle and was thinking of adding a front motor to it. 26 in Tires. I was going to really just use the hub not the controller that is provided. I'm going to be using my Lyen 12 fet controller. Realistically what speed and torque would...
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    Brake light wiring

    I have a 48v system and I'm trying to figure out how to wire the brake light. The lightning system runs on 12v. From the light there is ground, running, stop light. The Ebs outputs 48v I have a step down but I'm not sure how to wire it if I have already my running lights and accessories hooked...
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    Hybrid throttle

    I'm been thinking of adding a gas motor to my scooter and run it "hybridish" I have the 49cc 4 stroke motor. I would just need to fabricate the rest. I ve seen before dual throttles that has cable and Hall sensor on a scooter. But I can't find the part. I know this style scooter uses the...
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    Phase and Hall conectors

    I've been looking through the forums for a bit and been thinking on changing my connectors to something higher grade. I've seen people use gold bullet connectors for phase wires but nothing special for halls. Recently I noticed if I get any pressure on my Hall plug my motor grunts. Lol I know...
  7. D

    Wanting to experiment with batteries.

    I want to build a lithium pack for my Stand up scooter. I have a ebay 52v 20ah pack now but want a bit more power. I see some guys using turnigy packs and all but I don't know where to start. I'm on low budget but am willing to spend if it's a better quality than what I have. Bms or no Bms.(just...
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    Controller caps blew up.

    I have a Lyen 12 fet controller. Had nothing but stupid problems some mine and some not. Anyways I went to work today on the scooter and walked back home.(just like ford owners) I have power up to my cycle analyst. My throttle was responding on the analyst and all. So when I got home I tried...
  9. D

    Battery sag

    I have a 48v 20ah pack. It's a lipo4. I running Lyens 12 fet and the voltage sag in the beginning is pretty high. 58v drops to 56v. I have heard the use of caps help voltage sag but I'm wandering Whats the best remedy to help voltage sag Sent from my SM-G925I using Tapatalk
  10. D

    Lifepo4 charging

    So I have a 48v lithium pack that peaks at 58.7. Then I have a 48v lead acid charger that is adjustable on voltage. I heard even if I adjust the voltages to 58v the charger will cook the battery. The person says that lead acid charger pulsates causing it to burn the battery. Can i get some...
  11. D

    Cycle analyst v3

    Hi I'm new member but not to the forums. I have a CA v3 and the throttle oscillates in the top speed range. I have tried Whats inside the instruction with no luck. Sent from my SM-G925I using Tapatalk
  12. D

    Cycle analyst v3 troubles

    Neen on the forums for a while just never made an accont. I'm a complete noob on the CA V3. I have a weird speed jerk when reaching peak speed. I've tried Whats in the manual with no luck. I noticed on the diagnosis screen that the voltage out is not as the voltage in. Sent from my SM-G925I...
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