Electric bike batteries?

Question by Utley4MVP: Electric bike batteries?
I was planning on having a bike that generates electricity while I am pedaling through a dc motor. The dc motor would charge a battery. Then, when the battery is full, the battery would power the motor. What are good batteries to do this with?

Best answer:

Answer by fred
NiMH (like hybrid car) or Li-ion (like a mobile phone) give the best capacity for weight

but remember you won’t get as much energy back as you put in.

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One thought on “Electric bike batteries?

  1. Every time you transfer enegy from one format to another, you lose part of the energy. You are transferring energy three times, so you will be pedalling like mad while you are barely moving.

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