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DB
I want to add a cigarette lighter power plug to my scooter, to make it easy to plug in a cable from the cigarette lighter plug on the scooter to the cigarette lighter plug in a car, should the scooter battery go flat.
Let's assume the battery discharges to 6 volts before it's discovered that a light was left on or some such.
How much amperage would the cable have to handle in such an instance (assume no starter cranking, just charging the battery)?
Answer
A good battery rarely gets below 10V. even in deep disharge.
At 6V. A 12 V, battery is completely dead and would draw a lot of current
at first. (Very low internal resistance.)
Trying to recharge it that fast wouldn't be good for the battery anyway.
The good news is that it would build a 'surface charge', and restrict the
charge current pretty quick. #16 wire should handle the situation.
A good battery rarely gets below 10V. even in deep disharge.
At 6V. A 12 V, battery is completely dead and would draw a lot of current
at first. (Very low internal resistance.)
Trying to recharge it that fast wouldn't be good for the battery anyway.
The good news is that it would build a 'surface charge', and restrict the
charge current pretty quick. #16 wire should handle the situation.
How do I get involved with developing electric car technology?
Q. I have recently watched the movie,"Who killed the electric car" It was great. Now I want to work in this field. I have my degree in BA. I'm not really interesting in going back to school, but wonder what company could I work at to get started?
Answer
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This is a tough one, because a job in a startup electric vehicle company could be risky. On the other hand, I couldn't think of a better time to take a chance on the future of electric vehicles. There's a lot of activity in battery research, and prototype electric vehicles.
*
Some exciting battery companies to work for:
*
EEstor makes a revolutionary battery replacement - the ultracapacitor:
http://www.eestor.us/
(This webpage is under contruction because they haven't launched their product yet. Read about EEstor here:)
http://www.thestar.com/NASApp/cs/ContentServer?pagename=thestar/Layout/Article_Type1&c=Article&cid=1141599010468&call_pageid=970599109774&col=Columnist971715454851
*
123 Systems makes an improved Lithium Ion battery:
http://www.a123systems.com/html/news/articles/051102_news.html
*
Firefly Energy has invented an improved lead-acid battery. This is exciting because they will be light, cheap to make, can drop right into existing lead-acid applications, and will have greatly improved performance.
http://www.fireflyenergy.com/ffy.html
*
Here's another improved Li-Ion battery, using nanotechnology:
http://www.altairnano.com/
*
Next, here's a few companies building electric cars:
*
http://www.teslamotors.com (California)
*
http://electrovaya.com/innovation/zev_tech.html
*
http://www.feelgoodcars.com/ (Canada)
This company has made a deal for the EEstor ultracapacitors.
*
http://phoenixmotorcars.com (California)
*
There's more, too, I keep finding new stuff every day.
Best of luck!
--------------
----------
This is a tough one, because a job in a startup electric vehicle company could be risky. On the other hand, I couldn't think of a better time to take a chance on the future of electric vehicles. There's a lot of activity in battery research, and prototype electric vehicles.
*
Some exciting battery companies to work for:
*
EEstor makes a revolutionary battery replacement - the ultracapacitor:
http://www.eestor.us/
(This webpage is under contruction because they haven't launched their product yet. Read about EEstor here:)
http://www.thestar.com/NASApp/cs/ContentServer?pagename=thestar/Layout/Article_Type1&c=Article&cid=1141599010468&call_pageid=970599109774&col=Columnist971715454851
*
123 Systems makes an improved Lithium Ion battery:
http://www.a123systems.com/html/news/articles/051102_news.html
*
Firefly Energy has invented an improved lead-acid battery. This is exciting because they will be light, cheap to make, can drop right into existing lead-acid applications, and will have greatly improved performance.
http://www.fireflyenergy.com/ffy.html
*
Here's another improved Li-Ion battery, using nanotechnology:
http://www.altairnano.com/
*
Next, here's a few companies building electric cars:
*
http://www.teslamotors.com (California)
*
http://electrovaya.com/innovation/zev_tech.html
*
http://www.feelgoodcars.com/ (Canada)
This company has made a deal for the EEstor ultracapacitors.
*
http://phoenixmotorcars.com (California)
*
There's more, too, I keep finding new stuff every day.
Best of luck!
--------------
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