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    Li 18650, 20700, 21700 cell batch numbers

    Has probably been discussed before but I couldn't find it. 6Y14 = 2016/11/14 1. 1st digit = Year (5 = 2015, 6 = 2016, 7 = 2017 and so on). 2. 2nd digit = Month (1 =Jan, 2 =Feb, 3 =Mar, 4 =Apr, 5 =May, 6 =Jun, 7 =Jul, 8 =Aug, 9 =Sept, 10 =X, 11 =Y, 12 = Z). 3. The 3rd and the fourth together =...
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    Show Us Your Homemade Battery Housing

    Looking at doing the same. Lost this one in a fire. Has anyone adapted a through post ring swing arm to drop outs for a mxus 3kw? Any help would be appreciated for my next build.
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    Show Us Your Homemade Battery Housing

    more of the same
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    Show Us Your Homemade Battery Housing

    Not home made but a HPC that was sent to a MC leather repairers for a custom fit. Cost me an arm and leg but fitted 8 x 10s 5 amp lipos @ 20 amp, 75V (No longer available) in there. 600km and no complaints. Controller is in a modified rack.
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    Mounting Go Pro on your Bike

    A quick comparison, same trail. The frame mount is noisy and unlucky. Trance with MUX, pulls 4kw. 75V x 20amp pack. Helmet mount https://www.youtube.com/watch?v=JHJPp2QM4c4 Frame mount :oops: https://www.youtube.com/watch?v=yvjKb3-Y5UM
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    BMC V4C faulty, 28 amp, CA 3 settings help needed

    Thanks Guys, Put it all back together with spare throttle and no CA and broke the land speed record for the lane way! Had already tried spare throttle direct into controller but did not unplug the CA. I have tuned power commanders for motorcycles and it it always good starting with a basic map...
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    BMC V4C faulty, 28 amp, CA 3 settings help needed

    Ok, no help so far, not even Grin is coming to the party. Have ordered 3rd controller from Lyen. In meantime I am going to split hall sensor wires into a sheilded cable tied to hall sensor earth. I have tinned every soldered joint on back of controller and CA. Replaced all high current...
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    BMC V4C faulty, 28 amp, CA 3 settings help needed

    Hi, Have just put together a BMC V4C hub motor and an Infineon 9 fet, 28 amp controller from Ebikes SF. The hub is surging/cutting out at high amps. Could be batteries? ( have 2 x 5 amp, 8s zippys in parallel, then same again in series to make 61v) Could be phase or hall wires ( buzzed all...
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