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  1. P

    BMS charging and outside the norm wiring ideas

    Hello peeps, I have a few questions regarding how bms's work and if these wiring scenarios care possible, and I hope someone is able to answer.. I have 2x small cheap 10S bms's and I was hoping to daisy chain them together and use on one of my 14s packs. I was thinking of running them both as...
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    Anyone know the wiring of a Yamaha pw series motor?

    I have the Yamaha motor bypassing the internal controller and out to my external one, everything seems fine except I don't have pas. Was looking into different add-ons available, and when I look into torque sensors the price can be pretty high. This motor already has one but I can't figure out...
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    Bluetooth BMS wiring and features

    There are some features of this unit that I'm a bit unfamiliar with, hopefully someone can chime in and shed some light..mainly, Open balance - open or closed (does this mean whether or not I'm balancing while discharging the battery?) Static or charge balance - I'm assuming balancing while...
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    Strange behavior during charging

    Hello fellow ebike enthusiasts, A question .. hopefully someone has an idea what is happening? When I'm bulk charging my pack, (lifepo4 15s prismatic) the first cell in series dips to 0V red, and back to 3.2X, then back and forth, while flashing that it is balancing I think as well. (I'm...
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    LifePo4 voltagedrop, is this normal?

    When fully charged, (48/52V, at 59/60V) I have to wait a few minutes before the voltage falls into the controllers operating range (any other workaround for this? Would be nice to grab my bike and just go when I'm in a hurry, I have the lcd3) Anyways my question is, sooner than later the top...
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    Wiring up my lights (Step down transformer)

    Hello fellow ebikers. I am currently wiring up my lighting and considering using my main battery for my lights as my external died on me in the night which was a buzzkill (4x18650's) the lights im running are as follows, 1x 18W led headlight and 2 x all in one led strips (using only left and...
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    Did i fry my battery?

    Hello ebike community, I have a question, and if anyone could shed some light it would be appreciated. So ive just finished pitting together my electric fat tire beach cruiser, (including a motorcycle headlight, taillight, turn signals,brake lights and high-beams. Rear view mirrors and...
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    someone please help me with this wiring!!

    Hello, So I am stumped at hooking my replacement controller up to my pantera 48v folding ebike.. I cannot find the wiring diagram anywhere online for my pantera. One basic question I have is, does the cycle analysis plug get wired to my lcd dash somehow? I have a feeling/get the impression...
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