best electric bicycle kit image
Bruce M
I bought a bicycle kit from someone online. But, since they didn't have batteries for it, I bought those seperate. But I stupidly bought 4 12volt batteries to equal the 48volt battery needed...is there a way to connect these 4 together now?
Answer
You want to connect them is series so they add up to 48 volts.
(-) neg of bat #1 goes to the black wire on the bike.
(+) pos of bat #1 goes the the (-) neg of bat #2
(+) of bat #2 goes to the (-) of bat #3
(+) of bat #3 goes to (-) of bat #4
(+) of bat 4 goes to the hot wire on the bike.
You want to use the same gage wire that is on the kit or larger.
You want to connect them is series so they add up to 48 volts.
(-) neg of bat #1 goes to the black wire on the bike.
(+) pos of bat #1 goes the the (-) neg of bat #2
(+) of bat #2 goes to the (-) of bat #3
(+) of bat #3 goes to (-) of bat #4
(+) of bat 4 goes to the hot wire on the bike.
You want to use the same gage wire that is on the kit or larger.
What is the best electric bicycle out there?
Tim
Looking for an electric bicycle for commuting...range isn't too crucial as long as it's greater than 10 miles. Affordability is important.
Answer
There are now many electric assist bicycles out there. Some come complete and some kits you adapt to your own bicycle. A great place to start might be here: http://www.electricbikesreviews.com/
There are two general types of electric assist bicycles. They are hub motors and friction motors. For either one the motor and batteries will add weight to the bicycle.
Features you will want to look for should include:
Light with a good power to weight ratio.
The added weight of the batteries should be well placed for the design of the bike and not simply put anywhere.
Ability to remove the battery for charging inside the home.
Regenerative braking captures inertial energy and tries to convert that back into electricity to charge the battery. Bicycles are much lighter than a car and so have less inertial energy to capture. Batteries can't accept a massive influx of energy at once. As a result batteries are not so good to capture inertial energy. The good news is that while this may not be an extremely useful feature it virtually comes free with an electric motor
A fairing of some sort will extend range probably more than regenerative braking. Because of its lower wind resistance an electric recumbant makes some sense: http://www.recumbents.com/wisil/e-bent/default.htm
There are now many electric assist bicycles out there. Some come complete and some kits you adapt to your own bicycle. A great place to start might be here: http://www.electricbikesreviews.com/
There are two general types of electric assist bicycles. They are hub motors and friction motors. For either one the motor and batteries will add weight to the bicycle.
Features you will want to look for should include:
Light with a good power to weight ratio.
The added weight of the batteries should be well placed for the design of the bike and not simply put anywhere.
Ability to remove the battery for charging inside the home.
Regenerative braking captures inertial energy and tries to convert that back into electricity to charge the battery. Bicycles are much lighter than a car and so have less inertial energy to capture. Batteries can't accept a massive influx of energy at once. As a result batteries are not so good to capture inertial energy. The good news is that while this may not be an extremely useful feature it virtually comes free with an electric motor
A fairing of some sort will extend range probably more than regenerative braking. Because of its lower wind resistance an electric recumbant makes some sense: http://www.recumbents.com/wisil/e-bent/default.htm
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Title Post: How do I connect the batteries for my electric bicycle together?
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Rating: 83% based on 9498 ratings. 4 user reviews.
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Thanks For Coming T0 My Blog
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