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  (#16)
BrianG
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07.23.2010, 12:50 AM

That's why I asked about the possibility of boosting the 12v to something like 14v. The higher voltage will require less current for a given wattage the charger is pulling. 47A @12v = 40A @ 14v. 47A @ 14v would get you an extra 100w out of it...
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  (#17)
snellemin
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07.23.2010, 01:02 AM

PSU didn't shut down at 47A limit. Good stuff.

I understand the higher voltage efficiency BG. The PSU server team said that it will be too much of a hassle to tweak the voltage. Those Server PSU are too tightly regulated, compared to the ATX stuff. I do have another PSU that goes about 68A, 80A@220VAC. But I have to figure out how to turn that sucker on.

I'm just a happy camper that I'm able to charger my A123's at 25A~10.8C. The charger reads 12.8V for the PSU under load. At rest it's 12.4V.


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etc1006
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07.23.2010, 02:25 AM

j, where'd you get yours from? I only found them for $15 plus like another $15 shipping...
   
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kazuaki
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07.23.2010, 03:20 AM

Can you post the physical dimensions of this psu? Thanks
   
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  (#20)
Nard Cox
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07.23.2010, 03:58 AM

I'm contacting the seller to see what shipping to the Netherlands would cost.

My 50W charger isn't cutting it anymore


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Rampokker
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07.23.2010, 06:52 AM

Good luck! I tried it too, and the cheapest option to New Zealand was $50 US.
   
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snellemin
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07.23.2010, 09:28 AM

Quote:
Originally Posted by kazuaki View Post
Can you post the physical dimensions of this psu? Thanks

11"x3"x2.25"


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  (#23)
whitrzac
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07.23.2010, 11:20 AM

any idea if these would work?? they should be 100+amps...


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snellemin
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07.23.2010, 11:54 AM

They will all work, if you know how to turn them on.


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GTP-Pletty Big Maxximum+RX8. GTP-C50-6L Hacker+RX8. CRT.5-Pro4+ZTW esc.
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ANGRY-ALIEN
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07.23.2010, 12:12 PM

Yep... you just need to find out what pin combination will start the 12v rail... maybe you can do some research on google (also rcgroups...
lots of guys doing mods on these power supplies)... l am sure someone figured it out already.

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  (#26)
maneba
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07.23.2010, 02:59 PM

Quote:
Originally Posted by scarletboa View Post
is it possible to put two of those psu's in series? i am thinking about getting a icharger 3010 (1000w) and it supposedly runs best on 24v.
No, but you can use them in parallelel.

+ with + and - with -

So you double the amp.
   
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  (#27)
Nard Cox
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07.23.2010, 10:33 PM

Quote:
Originally Posted by Rampokker View Post
Good luck! I tried it too, and the cheapest option to New Zealand was $50 US.
Same here :(

''Hello, Sure we will ship to the Netherlands.

Priority Mail is $50 and Express Mail is $65

- trademoon''

That sucks.


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  (#28)
jhautz
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07.28.2010, 12:18 AM

Quote:
Originally Posted by etc1006 View Post
j, where'd you get yours from? I only found them for $15 plus like another $15 shipping...
ebay


I grabbed the last one I saw at that price


Im sure more will show up if they haven't already.


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to make it...
or break it...


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kazuaki
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07.28.2010, 12:20 AM

I was able to get 2 of them for $25 shipped. They should be here tomorrow.
   
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  (#30)
Nard Cox
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07.28.2010, 05:48 AM

I send an email asking how much if would cost to ship 2,3,4, and 5 units. If shipping will not get $50 more per unit I might just buy a bunch and sell them here *fingers crossed*.


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