AC/DC Chargers  
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> AC/DC Chargers
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AC/DC Chargers - 5/28/2002 5:32:31 PM   
MYNAMEHERE


 

Posts: 54
Joined: 5/27/2002
From: Burbs of philly
Status: offline 		I was looking into getting a new charger at tower the other day and I realized that the really good chargers were all DC current. Why is this? Is there some kind of adantage over AC when charging a battery with a direcxt current. Another thing is there any thing you can use to get a DC charger to run off an outlet in your house instead of having to get a car battery to charge your RC's batteries.


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Why would you race your car when you could send it over the tops of buildinga at thirty plus miles an hour, sure you gotta p
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AC/DC Chargers - 5/28/2002 5:42:53 PM   
Red Scholefield



Posts: 4907
Joined: 12/8/2001
From: Newberry, FL, USA
Status: offline 		All batteries are charged with DC. Chargers that run from AC convert the charge voltage/current to DC. If you have a DC charger and want to use it on AC you will have to buy a DC power supply, a device that gives you DC from AC line. Such devices are available on line from a number of sources.

Here are three on line sources at good prices.

http://www.efunctional.com/new-pyramid-power-supplies.html

http://www.millionbuy.com/caudio-kit-sup.html

http://www.valcoelectronics.com/

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AC/DC Chargers - 5/29/2002 9:19:57 PM   
hebertjj


 

Posts: 323
Joined: 1/18/2002
From: Knoxville, TN, USA
Status: offline 		As I've noted in other threads, an old PC pwr supply makes a great, cheap, (but ugly) supply. I scrounged an old 486 supply for $0 that had a 7 amp rating on the 12V side and put a 15 ohm, 15 watt (5 watt will do, or a 10 ohm, 5 watt) power resistor across the 5 volt (black and red) wires to load the PS so it will come on. Just make sure the 12V side is rated for the amps needed for your charger.

Joel

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AC/DC Chargers - 5/30/2002 2:35:06 AM   
Red Scholefield



Posts: 4907
Joined: 12/8/2001
From: Newberry, FL, USA
Status: offline 		A lot of people have done this with success. I haven't tried it because I haven't needed another supply. But the next time I run across a discarded computer I'm going to give it a try just to know more about it.

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AMA 951 Leader Member

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