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Electric Battery-Charger-pSupply
› Power supply question
10-20-2009 12:52 AM  8 years agoPost 1
FlaG8r

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Florida

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I've been using the below power supply (propeak 13.8V 20A)for some time now, and when I charge a few packs (2 4S 5000 in series) in a row, the supply lets out a strange smell out of the fan. Hard to explain the smell, not quite a burning smell, but something electronic. Is the power supply working too hard, am I sucking in lead fumes? Any information would be appreciated

http://www.rctoys.com/rc-toys-and-p...CERS-POWER.html

Life is tough, it's tougher if you're stupid

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10-20-2009 01:32 AM  8 years agoPost 2
dos boss

rrApprentice

Broken Arrow, Oklahoma - USA

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Sounds like you are putting too much a load on it and something is overheating. I would stop putting such a load on it and see if it still does it. At a minimum don't go off and leave it keep an eye on it.

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10-20-2009 01:43 AM  8 years agoPost 3
TJinGuy

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Socorro, NM - USA

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Just because a power supply SAYS it will output blah doesn't mean squat. Most power supplies that you can buy in a store (or online) are not super high quality. This is why most people suggest a power supply with some head room.

Anyhow bad smells are never good when coming from electronics. I doubt it will poison you but sniffing it is probably not great for you. I would suggest you lower your charge rate until it stops smelling bad and consider getting a better power supply.

What charger are you using?

- Chris

Team New Mexico
TJinTech

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10-20-2009 02:00 AM  8 years agoPost 4
FlaG8r

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Florida

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What charger are you using?
Hyperion Duo

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10-20-2009 02:50 AM  8 years agoPost 5
TJinGuy

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Socorro, NM - USA

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I would back off for now (lower the charge rate) and get a bigger power supply. I personally like this guy (or one of its brothers)

http://cgi.ebay.com/ws/eBayISAPI.dl...em=370266746712

The closer you match the charger input voltage to the battery voltage, the better. You are charging 4s packs, so if you could input 16.8V then your charger will be much more efficient. Not to mention you would actually be able to get the full wattage output.

There are lot of other choices but that one is the best I know of for the money.

- Chris

Team New Mexico
TJinTech

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10-20-2009 03:01 AM  8 years agoPost 6
OICU812

rrMaster

Edson, Alberta, Canada

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If you plan on being in the E side of the hobby for awhile, do yourslef a favour now and get an Iota Engineering rv power supply. Bullet proof and you can get various sizes as well. Ebay has them on regularly as well it seems.

...Once upon a time there were Nitros, flybars and frequency pins...

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10-20-2009 09:03 AM  8 years agoPost 7
Busher

rrKey Veteran

Manchester, England

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Flag8r

I have the set up you are describing, And like yours there is a smell of like warm plastic when I charge 2 x 6s 2500 on my hyperion, The smell is not like burning electronics but different from what you would expect warm air to smell like. I have used this set up for over a year now with no ill effects. I originally put it down to the newness burning off smell you sometimes get with when you plug a new device for the first 1 or 2 times.

I don't think there is anything wrong with mine and its works well so for now I will keep using it till it craps out on me. I might have a look inside one day to see if anything is suffering but for now I have other great projects on the go and time can get a bit short.

Good luck
Busher

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10-20-2009 12:24 PM  8 years agoPost 8
FlaG8r

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Florida

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do yourslef a favour now and get an Iota Engineering rv power supply.
How about this model?

http://www.ecodirect.com/ProductDet...ite=google_base

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10-20-2009 12:44 PM  8 years agoPost 9
uf-engineer

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Jacksonville, Florida

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Yes. u are sucking lead fumes. & That explains everything.
Get the same powersuppy i have.

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10-24-2009 12:20 AM  8 years agoPost 10
OICU812

rrMaster

Edson, Alberta, Canada

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Depending on your needs really. They make the supplies up to 120 amps, so not sure how many chargers you have, what their draw is including onboard fans, and what lipos and C charge rate they will except. Base it on what you have now and where you are heading in the hobby. I use a 75amp, it powers 5 TP1010s at 5.0 amp set rate each, plus each charger pulls an additional 3-3.4 amps for their fans, lights etc... Iotas are pretty much bulletproof though.

...Once upon a time there were Nitros, flybars and frequency pins...

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10-24-2009 12:22 AM  8 years agoPost 11
FlaG8r

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Florida

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Iotas look pretty good.

Life is tough, it's tougher if you're stupid

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10-24-2009 12:41 AM  8 years agoPost 12
OICU812

rrMaster

Edson, Alberta, Canada

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not my link, quoted from other member, but link did work for me?

...Once upon a time there were Nitros, flybars and frequency pins...

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10-24-2009 03:42 AM  8 years agoPost 13
FlaG8r

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Florida

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Was the link for the Iota 55 amp?

http://www.ecodirect.com/Iota-DLS-55-p/iota-dls-55.htm

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10-24-2009 04:49 AM  8 years agoPost 14
Ace Dude

rrProfessor

USA

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If it smells bad I'd stop using it immediately. The hell with lowering the charge rate, stop using it! The last thing you want is a fire or to damage the connected equipment!

Astron, Alinco, MFJ, ICT, etc., there are many purpose built quality power supplies available.

If you want an Iota this place has some good prices:

http://solarseller.com/

  

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10-24-2009 01:38 PM  8 years agoPost 15
FlaG8r

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Florida

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If it smells bad I'd stop using it immediately. The hell with lowering the charge rate, stop using it! The last thing you want is a fire or to damage the connected equipment!
I've used it for about 6-7 months with zero issues except the smell sometimes, don't think its going to start a fire.

Life is tough, it's tougher if you're stupid

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10-24-2009 02:01 PM  8 years agoPost 16
Ace Dude

rrProfessor

USA

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Maybe all it needs is just some air freshener then.

  

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10-24-2009 02:16 PM  8 years agoPost 17
Ace Dude

rrProfessor

USA

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Seriously, have you popped the cover off to see where the small might be coming from?

  

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10-24-2009 02:46 PM  8 years agoPost 18
FlaG8r

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Florida

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No, haven't thought about it that much. It's not always that I smell it and since I'm charging it in the open air now in the garage, I don't smell anything unless I smell right at the fan.

Life is tough, it's tougher if you're stupid

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10-24-2009 05:16 PM  8 years agoPost 19
GyroFreak

rrProfessor

Orlando Florida ...28N 81W

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I added a fan (12V) to the back of mine. The heatsinks were getting hot enough I couldn't put my hand on them. With the fan it runs cold.

I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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10-24-2009 05:37 PM  8 years agoPost 20
duke666

rrKey Veteran

Hampshire, UK

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The heatsinks were getting hot enough I couldn't put my hand on them.
That does suggest something is not happy in there

Duke

OOOPPS............

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