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  1. G

    PLEASE HELP --- BATTERY PROBLEM

    I got the battery from china the battery worked well until one day while using it, it suddenly gave no power ( no event to start it off) the battery gave no power to the electric motor but did power the headlight i have on the bike-- even then all the light did was flicker rapidly??????? not...
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    PLEASE HELP --- BATTERY PROBLEM

    Hello I do repair a lot of things and have some equipment like voltmeters etc. I am just not sure where to start?? Why does the battery become inoperable?? I tried to bypass the bms and run the battery directly to the motor but still no benefit?? I assume this is the controller's fault?? The...
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    PLEASE HELP --- BATTERY PROBLEM

    I am having a problem with a Chinese made/sent battery that I have had no problems with unitl a few days ago. It is a 16S 48v 20ah battery with a bms. It came with a 3a charger. I have it on a converted mountain bike with a geared motor. I have been using and charging this battery without any...
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    GREENTIME CONTROLLER PROBLEM

    the yellow and signal wires had to be connected the throttle i had had the wires differently arranged-- so i arranged the colours to match and it worked
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    MAC motor worries

    That makes me wonder now if perhaps tmy hall is not working properly?? The older controller might work - but the newer one does not work with it please update when you have it finished! thanks
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    MAC motor worries

    As I said a few times before--its the controller Interesting to see whether it will be better??????
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    MAC motor worries

    Drummerien As I said before, I think there might be a controller issue As I mentioned, my problem ( same as yours) seems to be related to the controller??? can you try a different controller? Mine worked with a diff controller=== perhaps try a diff controller before you take everything...
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    MAC motor worries

    Well Well I thought I was the only one with this problem I just got my motor from cellman about a week ago. I have 2 other motors - a Yescom and a BMS I bought a 45 amp controller from Greentime on aliexpress. This controller worked great for the Yescom and BMS geared motor - so i thought I...
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    GREENTIME CONTROLLER PROBLEM

    Well i managed to figure it out!! The order of the throttle wires for the greentime controller on the connector are not the same as the 3 throttle controllers that i own i measured the throttle lines and ordered them appropriately ==== IT WORKED...
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    GREENTIME CONTROLLER PROBLEM

    THANKS to anyone that can help me out i bought a 48v 45a ccontroller from Leo I hooked up a 48v battery/ throttle/ halls / phase wires and ensured the off/on switch wires were connected . i get nothing??? i have a controller tester and it show no output from the phase wires???? Not sure what...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    chroot actually you need to relax --- no one asked you to chime in on this discussion the point that everyone is missing is that the more attention all us ebikers make bragging about how we all go 40mph (likely in a 30mph zone) , means the more likely enforcement of more rigid laws about...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    "Sue his ass" Always got to be somebody else's fault. You assume that your kids are incapable of thinking for them selves "Oh, but he showed me how to do it". Your kids do know how to strike a match? Right. If they then go and burn down someones house, can you sue the person that taught them how...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    oh winkinatcha ==so what you are saying is that my kids are not kids because they are adult kids -- therefore my comment is irrelevant?? ==???? i guess that makes your comment irrelevant !!! My children will always be my kids , no matter what the age. I guess you call your kids "my...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    Thanks for agreeing with me 99zip99 I knew eventually someone will eventually figure it out My kids are long gone from home. Yes they are in University and at institutions that teach practical and legal activities.
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    Pas/led and Ku123 wiring -- please help!

    Just got a bms/bpm motor and Ku123 controller. I got a led /Pas ead monitor ( EAD-Bike LED Meter Display - Voltage : 48V ) and controller with it. It has a 6 wire connector, and with it came a 6 wire male plug with no wires connected. I was hoping to wire the PAS up for my wifes bike. How...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    You still do not get it do you?? I am saying, that in an educational institution, one can not teach students to build things that are illegal to put on the road. The class would be called -- " How to build a street ebike " I presume - why else would you have a class on ebikes?? Your class...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    Agnuisn Do you have no idea what i am trying to say?? i didnt think anyone could not figure it out? You can not teach people to build something that is technically illegal -- even if you say " it is offroad" - which it clearly is not! It is like teaching students how to make a pressure...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    Nonsense you say?? You teach my child in an educational institution on how to build a bike ( and order parts) and help him build a bike that you knowingly will not be used on the offroad and is illegal on the street---( really 30mph on the off-road -- are you kidding me??) and my child gets in...
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    Arkmundi's saga making & maintaining an A123 AMP20 battery

    i applaud your desire to teach about ebikes. i worry about what you are teaching them it sounds like you have built a bike that does not meet legal requirements. your bike surely must go faster than 20mph. you dont need a 48v 20ah battery for this speed?? perhaps i am misunderstanding this...
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    Bafang MOTOR CHOICE-- What is going on with the Codes/rpm

    I agree with you this whole CODE thing is a waste of time ( As far as I gather, "CODE" is merely their word for "TURN" ) I have inquired with BMSBATTERY about getting a motor with a certain rpm -- there answer is "OK but we can not tell you that is the motor you are getting" SO I decided to...
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    Bafang MOTOR CHOICE-- What is going on with the Codes/rpm

    Yas, that was a typo NOW even more telling!!! The latest email from bmsbattery " Thanks for your inquiry , the motor is randomly sent out , i am not sure we could send you code 10 motors ." Oh --- so it is true -- you really do not know what you will get!!!! WHAT A FARCE!!!! BEWARE
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    Bafang MOTOR CHOICE-- What is going on with the Codes/rpm

    Just to make it all even more confusing, I got this in an email Please see below code for the BPM motor: 36V500W 216RPM: Code 12 36V500W 216RPM: Code 10 36V500W 312RPM: Code 10 48V500W 216RPM: Code 16 48V500W 312RPM: Code 12 36V350W 216RPM: Code 12 48V350W 216RPM: Code 15 I asked them if...
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    Bafang MOTOR CHOICE-- What is going on with the Codes/rpm

    Thanks for all the input I will order the 48v500w 328rpm --- which i believe is the code 10 motor. Which code motor one gets is important. All speed calculations are based on the code of the motor. If one gets an unexpected code, the purpose/function of changing the windings for...
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    Bafang MOTOR CHOICE-- What is going on with the Codes/rpm

    I was hoping to find out if anyone has ordered a motor recently. what was the motor they got and what was the Code of it??? there are people who in the past who ordered a motor, and according to rpm and the motors they get are the wrong code most people who have written about the...
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    Bafang MOTOR CHOICE-- What is going on with the Codes/rpm

    I guess what I wanted to know was --- what was the motor you ordered and what code did you get???? It seems to be all over the map, and everyone seems to get a different code motor even tho they ordered the same motor???? I just want get a code 10 or 11. ---- but what do I need to order to get...
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