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It works!!! I did my first test drive today in my street. Thanks a lot guys! Couldn't achieve this without the help of this forum! Regards

Oh i see thanks !

I measured 41 Volts output. So i guess my battery still works? Why is the output bigger than the theoretical 36Volt? Regards

Ok thanks guys, i also believe my controller is blown up instead of the battery. On the battery, there is a button to check if the battery is charged. When i push the button i can see the battery is still fully charged...

Damn, looks like positive and negative on the controller were switched... got it connected now in the right way but nothing happens anymore... i suppose my battery is broken..? :(

Hi, I bought a conversion kit on alibaba(motor + controller) My friend's electric motor was broken and he didnt want to repair it. So I got my battery from him. I toke off his controller and solded mine to the battery case. Once I had put the battery in its case, I smelled something burned and...

You mean that I should attach the battery negative to the controller negative and the battery positive to the contoller positive ? Sry my English is not that good... :p

Hi, My goal is to try to build my own electric bike from an old womansbike. I bought an electric motor with controller and managed to make it work. Although I started with lead acid batteries, I was happy to achieve this. My collegue had an electric bike but his middle motor was broken and...

Hi, this would be the battery pack i would like to buy. (See below) I wanted to ask you guys first, before i make stupid decisions. What does the 50M stands for? Because i see on their website this make a big difference in the buying price...

Thanks, Ok, at least this looks a lot safer and easier to charge... My controller has sort kind of cable lugs at the end. Should I cut these off and solder a XT90 connector on it? (see attachment) What about the gauge? If the cable thickness of the controller and the battery pack are not the...

Hi Looking for a soft pack as i will make the case myself. Yes the capacity of 20 aH is more then i would normally need but was asuming i would get that for the same price... 12 to 14 aH would be enough. Regards

Ok.., then what battery do you propose? Where do I buy a decent one?

what if i replace the agm batteries with this one...

Hi, The batteries are 14 aH. Theoretically, I determined a few months ago that this capacity would be enough for about 7 Miles. The distance to my work place is 1,8 Miles. ( going Home at noon, makes 4x1.8 = 7.2 Miles. ) I was not able to test it’s range as i don’t have a charger or know how...

Hi, Thanks! @Andy-Mat, yes indeed use GLA batteries...The reason why I chose these batteries is because with my limited knowledge of electricity and e-bikes, I wanted to use cheap batteries. All the things I know are learned from YouTube. Just got fascinated about e-bikes. I wanted to start...

Hi, I made my first electric bike with a conversion kit I got from the internet. I attached 3 12V batteries to a 36V controller. The controller has several wires going to the brakes, motor (36V, 350W), brake lights, on/off switch etc... (in the picture below you can see the circuit as it is...

Hi, The bike Works! thx @Woosh :) I have got a flipflop hub. I mounted the motor on the fixed side. Last weekend, I drove the bike in my street ;) Today, I Connected the pedals with the freewheel with a new chain. I will try out how that works, but I guess that should not be a problem...

Ok, I got the new wheel I mentioned. The freewheel that was delivered together with the motor indeed fits this wheel. Only one problem , the freewheel is freewheeling counter clockwise, and is fixed when turning clockwise. I suppose in this case, I would drive backwards when i put the motor...

Ok thx, so the Wheel i showed should work?