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  1.    #1  
    This morning I went to Radio Shack and got a battery holder that holds 4 AA's with a switch and wire leads for $2. I had an old charger from my Treo 650 that I cannibalized. I cut the tip off the Treo charger and spliced (soldered) it onto the wire leads from the battery holder.

    The battery holder puts out 5 Volts, which is the same as the charger puts out. Guess what? I had a dead battery in my Centro, so I plugged my portable charger into the Centro and now it is up to 92% and still going up!

    I just bought some rechargeable NiMH AA's, which are rated for 2650 mAH, so I'm hoping to get a couple of Centro charges from my fully charged portable charger. It is only as big as 4 AA batteries, so it is easy to carry along when needed. This way, I could use my Centro heavily all day and never run out of juice! We use AA batteries for many things, so I keep some charged all the time anyhow. This way, if I'm in one of those boring all day meetings (or traveling on a plane) I can just bring my portable charger along and I don't have to worry about running low on power!

    I thought about using the USB (hotsync) cable tip, but I decided to just use the tip from my regular charger because it was also 5 Volts.
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  2. #2  
    That's pretty creative Tonylmiller. Sounds good.
    Good Luck
    iPhone 4S
    Former Treo & Storm Owner
    Cigar Lover
  3. #3  
    Thanks for posting this! I can hardly wait to try it out.
  4.    #4  
    It looks like I'm getting around two or three charges of my Centro before the AA battery pack gives out. Your mileage may vary...
  5. #5  
    This sounds great Tony, I've never done anything like this before but I'd like to try it. Can you post some pics of the parts so I know what to buy at Radio Shack?
  6.    #6  
    On my Centro now, but it is model number 270-409 and the catalog number is the same (Radio Shack). You can see a pic at their website.
    You could also use their Model 7805 voltage regulator, if you feel adventuresome. I wanted to keep it simple.
  7. estroh's Avatar
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    How long does it take to charge the Centro?
  8.    #8  
    I haven't timed anything, but the charge times seem about normal.
  9. #9  
    Only problem I see is that if I forget my regular charger, I'm probably going to forget to take something like this, too.
    Bob Meyer
    I'm out of my mind. But feel free to leave a message.
  10.    #10  
    This is for times when I can't use my regular charger...

  11. #11  
    cool idea

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