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morgjj

Joined: 11 Jan 2006
Posts: 24

Posted: Fri Sep 18, 2009 8:56 pm Post subject: Not aviation related... Electronic though. :)

Bob,



I am looking for some direction on how to build a battery pack that will

help power my video camera longer.  I am certain that I can find what I

need but looking for some direction or guidance to get it right.  



I have a camcorder that uses a power pack that converts from wall outlet

to a 9.6 volt 0.8a output. The symbol has a solid line on top and three

dots on the bottom which I assume to me DC voltage.



Currently the battery in the camera will last about 60-75 minutes and I

would like to try to double that capacity.  I was thinking that I should

be able to pull together a battery holder of 4 D cell batteries and

reduce the voltage and amperage to get what I would need. I am not

correct in that thinking?



Currently the camera has a lithium Ion battery that holds that charge.  



I appreciate any direction you can give.



Thanks

Jeff

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morgjj

Joined: 11 Jan 2006
Posts: 24

Posted: Fri Sep 18, 2009 10:16 pm Post subject: Not aviation related... Electronic though. :)

My apologies to the list. I didn't send that correctly...



--

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edleg

Joined: 11 Jun 2009
Posts: 14

Posted: Sat Sep 19, 2009 10:28 am Post subject: Re: Not aviation related... Electronic though. :)

Instead of building, how about checking for bigger capacity batteries. I have used larger capacity batteries from eaglecool dot com for my JVC digital video recorders. They have worked well and the company has stood behind their warranties ok.



On the other hand, I have built external battery packs for my camera flash equipment (Vivitar and Nikon) by using sealed gel cell off-the-shelf 6v batteries (4+ amphour)with custom built/modified (by me) power cables. But when you get into voltages like 7.2 or 9.6, etc. you could build external packs using "D" 1.2v rechargeable batteries in series as long as you can figure out a way to build/buy a power cable.



-Ed-

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