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    Low Voltage Cut out?

    Hey everyone, I'm looking for some advice. I have a 14s, 15ah li-ion pack, and within the last week my setup has been cutting out. My CA2 will show the voltage dropping quickly, when I release the throttle my regen breaking kicks in and it will power back up. This has never happened in the...
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    54.6v charger with 14s Li-ion battery?

    Hello Forum, My 58.8v charger just blew. My guess is the fan stopped working and the unit overheated because the garage smells of burned electronics. I did check it with my voltmeter and the charger is definitely fried....reading all zeros. Another thread suggests checking the fuse, which I...
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    New EM3EV battery not charging?

    Well I'm having another problem. I let the kid run the bike pretty hard over at the park today...which means bumpy terrain and definitely involves a lot of stopping and then full throttle...ie a lot of high wattage running. More continuous high wattage than I ever do riding on the road. All of...
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    Motor problem diagnosis? Please help

    Hi forum, I'm hoping someone may be able to help me diagnose my ebike problem. About 2 months ago, I replaced my battery with an em3ev 14s lithium battery, and 12 fet 40A Infineon controller. I'm using a 48 volt 1000 watt brushless motor from yescomusa.com. It's been running great, but...
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    Anyone connect Infineon Controller to Yescomusa motor ?

    Hey Forum, I just ordered some goods from em3ev. 50v 14.7 triangle pack with the Samsung 25r cells Cycle Analyst v3 40A Infineon 12 FET 4110 I'm pretty stoked. Should be here in a couple weeks. Anyway, I have a 48v1000w yescomusa motor (brushless rear hub.) The phase wires and hall sensor...
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    48v 15ah battery pack recommendations please

    Well my calibike 48v 15ah Li-Ion battery pack bit the dust. I damaged some cells. I may replace a couple parallel groups down the road, but for now I'm buying a new pack. I'm leaning toward Paul's 50v 14.7ah pack at em3ev because I know what I'm really getting...Samsung 25r cells...plus 14s...
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    PAS sensor to Controller help

    Hello, I just bought a new Pas sensor, but the wire color schemes are not matching up completely. On the controller the 3 wires are red, black, and green, but on the sensor the colors are red black and blue. This may seem obvious, but should I be connecting red to red, black to black, and blue...
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    Ebike Motor Shutting Off...PLEASE provide feedback

    Hi Forum, I am experiencing significant "complications" with my ebike and I'm hoping for a little insight. I'm extremely confused what is causing my motor to stop working. Here is a quick rundown, which has occured the last 3xs I have rode my bike.... I take the bike out of the house (ie it...
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    KT LCD 1 v2.5 default parameters anyone?

    I have been running my electric bike for about one month with great results. 35 mph and 25 mile range on full throttle....until I played with the parameter settings. I have the 48v 1000w kit from yescomusa. Im embarrassed to say I accidentally accessed the parameters area and changed the p1...
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    Quick PAS installation question

    Hi, Well FedEx says I should finally get my 48V 15Aah battery tomorrow. Let my first ebike conversion build begin. So I've watched a few PAS install videos on youtube and some people are installing their PAS sensor on the geared side of the bike while others are simply installing on the...
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    Interpreting Battery Discharge Specs Question

    Thanks to all for the support provided within ES. It makes me feel all "warm 'n fuzzy" knowing I have a place to go that's full of answers and support. I can't even recall ever hearing about ebikes till a week ago...needless to say I can't get much noobier. Thanks again to all for helping me...
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    Clarification on Battery and Controller relationship please?

    First of all, many thanks to the experienced ES members who are providing wonderful resources and insight. I expect once my first ebike kit arrives, I will be able to better understand and apply the tips and techniques I am learning here. Secondly, many apologies if I could have shortened this...
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