I have an e-bike motor ( bbs02 48v 750watts ) which requires a 48v battery. I also have a 36v 13ah e-bike battery. Opening the battery and changing cells connection to make it 48 takes a lot of effort.
Is it a bad idea to use a step-up converter? I have a dc-dc converter which claims to have 95% efficiency. Any downside of using one?
If I would step up the 36v input to 50.92 volts using a step converter, will the e-bike motor meter still read the battery as full? Even if the battery goes below 50%, would the output of the step-up converter still be 50.92 volts? Or would the voltage drop?
Best Answer
Yes, it is a bad idea.
You don’t know what the motor/battery controller expects and it would be hard piece of engineering to get 95% efficiency over a broad range of load currents.