Using old power cords and adaptors. . .

so it's pretty obvious, most people (including myself) are having major battery power/life issues with their 3GS iPhones.
so, i've had multiple iPods since 2004 and have saved all my old power cords and power adaptors. i've also got an aftermarket power cord for the car too. to keep my phone charged i'm thinking of using one cord in my car, one by my bedside, one at my desk, and one at work.
my question is, though these cords/adaptors came with or were designed for older generation ipods, can i still use them safely with my iPhone 3GS? i'd rather not have to buy a bunch of new cords/adaptors (which tend to cost $20-$40 a piece!)
thanks!

I have a first gen iPod which takes firewire brick plus firewire end plug cord. My fourth, fifth and classic iPods along with my first gen iPhone take firewire or USB brick with dock end plug. The 3G and 3GS iPhone will ONLY take USB brick with dock connector. My USB car charger worked in all my iPhones and iPods. zoz

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My iMac wouldn't turn on. This has happened out of nowhere, it was working really well before. checked my power cord and outlets everything's fine. The iMac has no power at all. no sound or anything, completely dead. It is only 1 year and 2 mos old.

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I have purposely been ignoring your responses to my posts about the heat issues in the newer design iMacs, but if you want really want to ague the point...
First, the iMac is marketed as a desktop model Mac. Not a laptop or MacBook.
I have never owned a MacBook, so I can't attest to how much heat the MacBooks generate.
I Have two iMac models. A 2009, 27 inch screen iMac for myself. And a 2010, 21.5 inch screen iMac for my Fiancée.
As a desktop Mac these are hottest running desktop Macs I have ever owned. Period. I owned two beige Macs, a pre-G3 tower, aG3 desktop, a G4 MDD Tower, the original iMac, eMac, iMac G4 and now my current iMacs.
None of my previous Macs have ever, EVER ran this hot. I have never, also, had any component failures in any of the previous Macs I have owned, either. All of my Macs have been upgraded or modded to some degree over the years. About 2 years ago I had to press my old G3 back into service. Both my G3 and G4 models have been heavily modded. The G3 ran without issue for a close friend for over a year until that friend went out a got a Mac Mini.
That's a 1996-97 Mac my friend. And it still is in working order and hasn't had any failures.
The fact I am pointing out here is that heat is an enemy to electronic components.
Whether desktop iMac or MacBooks, tightly packed enclosures of heat generating computer components with fans that do not run fast enough at most times to cool off the interior or exterior, will and does slow roast computer components to premature failure.
I do not know how frequent component failure is in the MacBook line up. So I can't attest to those.
I do not participate in those forums.
This is why at some point in computer history, Super Conputers were liquid cooled. PowerMac G5 systems were liquid cooled because they ran too hot!
I have taken my own precautions to keep my iMacs' heat down as much as possible.
I don't have the money to keep buying a new Mac every 3-5 years when some catastrophic failure happens.
I had to purchase my iMacs used as I couldn't afford the cost of a new iMac with the specs I needed.
My idea, your idea and Apple's idea of acceptable operating temps we can argue all day long.
I feel, personally, that the operating temps are too high and exacerbate operational issues.
I Have been participating in these particular iMac forums for just over a year and have seen plenty of posts of iMac component failures due to both heat and dust, dirt issues from within the iMac.
There can be no other reason for all of these failures. The SuperDrive is, usually, the first to go bad.
It's probably due more to its vertical mounting, but the excessive interior heat isn't helping it.
Next to fail is the GPU. The last to fail, but the most expensive to fix, the Logic Board.
I Have seen plenty of posts in my last year here of all of these failures in iMac less than 5 years old and ,perhaps, a little older. 2008 model iMacs seem to have their issues, too!
Apple is focusing too much on design and aesthetics, rather than longevity of their products, I feel now.
A Mac isn't going to last 7- 10 years anymore.
I don't have stats and numbers. Just common sense.
This is my story and I am sticking to it. For what it's worth.

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One thing to try is to reset the PMU again--maybe several times:
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http://www.dttservice.com/ibookg4.html
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Welcome!
Last question first, as we need to know what operating system that the Mac is using.
If you are not sure, click the Apple icon in the upper left corner of the screen, then click About This Mac, and post back with the OS X Version number that you see there.
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ORIGINAL OEM APPLE AIRPORT EXTREME BASE STATION POWER SUPPLY AC ADAPTER A1202 if you want a white power supply and white power cord to match up with the Apple device
AC adapter for Apple AirPort A1034 Extreme B... if you don't care what color the supply and cord might be
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Please drop us a line by clicking on the Contact Us link to start the process!

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Using old power cords and adaptors. . .

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