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twenty20frames123

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Posts: 2
Reply with quote  #1 
Does anyone have any idea where I can get a solar panel and the type I would need for my electric bike? its is 1000 watt 48v from motorcityebikes.com


stmbtwle

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Posts: 2,950
Reply with quote  #2 
Hmm I've wondered about that as well. I see no way you're going to get 1000w of panels on a bike or even a 3-wheeler like mine. You're looking at maybe 60 sq ft of panels. A golf cart, maybe.

However even a 1000w motor isn't normally going to require that at "cruise", and you'll probably spend a fair time just sitting in the sun charging. So you might manage with 200-400w or so, which will be a lot more manageable. The new flexible panels are also quite lightweight. 4-12v or 2-24v panels in series will get you the voltage you need to charge your batteries.
Try here: https://www.solar-electric.com/sunpower-flexible-solar-panel-100-watt-monocrystalline.html
You'll also need a 48v charge controller.
https://www.solar-electric.com/midnite-solar-kid-mppt-solar-charge-controller-marine.html


You're going to have a pretty fair investment in this rig, I'd advise a good lock and insurance, just in case.

You have an interesting idea. If you go forward with it please keep us posted!

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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
jjackstone

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Posts: 88
Reply with quote  #3 
Do you plan on using the panel for a charging station or are you going to try to use it to actually power the bike while you're riding it?

Samples here: https://www.google.com/search?q=solar+powered+bicycle&tbm=isch&source=iu&ictx=1&fir=_pu9O6Hb-bEayM%253A%252C3Bb48_u2fw6hXM%252C_&vet=1&usg=AI4_-kSEpThaimxePmYZHGcJ_XsvbwS9OQ&sa=X&ved=2ahUKEwiihKnB4rnjAhWOvp4KHV8MAfcQ9QEwDXoECAYQCA#imgrc=_pu9O6Hb-bEayM:

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stmbtwle

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Reply with quote  #4 
Some neat setups there, JJ! I like the rig on the trailer. Better balance, and maybe less wind resistance. Also could be unhitched/unplugged when not needed.



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Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
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