Thursday, January 16, 2014

Is it safe to wire a 12 volt electric bike motor directly to it's 12 volt battery without fuses or circuitry?

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sonate


I have an old Zap electric bike and something is wrong with the circuit board so I plan to just wire the motor to a switch that I apply when I feel it is safe, for example, when I am traveling at speed to avoid overworking the motor.


Answer
its not the best idea if it goes it might fry the whole electric system if you have a fuse it will just blow that hope it helps good luck :)

What are the steps to make an electric bike out of items that are not 100$?




teal289


How do I make a motor for a electric bike what pieces do I need ?


Answer
To make a high-quality one that can go fairly fast, you probably couldn't.

On the other hand, if you don't want to go above 15-20mph, you could probably make one for under $100. Buy a cheap broken electric scooter. Chances are the motor on it still works and you can use that. Those motors can get you going close to 20mph with the right gear ratios.

A motor controller could also be obtained from a scooter, or, if the motor you are using is not significantly powerful (<36v), you could probably buy a brand new controller for fairly cheap.

Batteries may cost a little more, but you could get sealed lead acid batteries for under $100 for sure.

Plus, their are the little things like the throttle, which is generally a potentiometer. These can be very cheap on Ebay.




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Title Post: Is it safe to wire a 12 volt electric bike motor directly to it's 12 volt battery without fuses or circuitry?
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