How do I convert a normal pedal bike into an electric powered pedal bike?

best electric bikes in uk image

Henry R

I need a list of required components (preferably cheaplyl sourced) and tools required. Also any changes that will need to be made to the bike and the motor used. I'm a fast learner and want to try it but I have no technical knowledge. I want a pollution free transport method but I can't afford to buy an expensive new one (cost over GBP500!). Based in UK.

Answer
You can purchase a kit for about $200 with everything you need included. Including wheels if you ened them - with 16" through 26" wheels.

Kit includes self-contained removable power unit, mounting rack, and mounting hardware. The power unit is designed for easy installation and removal so the bicycle that it is attached to can be ridden as an electric bicycle with the power unit installed, or ridden as a regular bicycle with the power unit removed.

Powered by two fresh Universal Power Group® SLA batteries with a 12 month manufacturers warranty.

http://www.electricscooterparts.com/bicyclekits.html

What type of cables do I use to connect 4 12volt batteries to my electric bike?

Q. Hi. I'm trying to connect four 12-volt batteries together (I think they're supposed to run parallel), so that I can power a 48volt, 500watt motor.
I'm not very electronically/mechanically minded....so I'm not sure what exactly to use to connect these batteries. Would some type of clamps work? The batteries have little prong ends, not the kind like car batteries with the hole ends for big screws.

Thank you for your help!

Answer
For a 48 volt motor, you will need to connect the batteries in series. + on one to - on the next one and so on (see series drawing here):

http://www.electricfence-online.co.uk/shop/renewable-energy/renewable-energy-advice-faqs/battery-bank-wiring.html

You will need heavy gauge (10 ga or larger) battery type wire with ring or spade lugs for attaching to the posts:

http://www.mobilehomerepair.com/media/img/10awgred.jpg

http://shop.rabtron.co.za/catalog/insulated-ring-terminal-stud-yellow-p-3040.html

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