Question about Coby MP-C951 Digital Media Player

3 Answers

The battery is inconsistent

I connected my fully charged Coby MP-C951 to my Computer (XP) to sync. It took less than 20 minutes. (I wasn't counting.) The MP3 player then said "LOW BATTERY" when I tried to play it. It promptly shut itself off.

The battery level meter is inconsistent. Sometimes I will turn it on and it will have two bars, then off and on and it shows 4 bars, then back to two or even one! I'm afraid the battery is starting to go. Since I bought the unit used, I don't know how heavily used it was, though it looks in perfect condition.

Can a technically adept consumer replace the battery? I am an audio engineer and screwdrivers don't scare me generally, but I understand Li-Poly batteries are tricky and I don't want to destroy the unit.

Where would I get a matching battery? It is Li-Polymer 3.7 volts, but it doesn't say the ma anywhere on the unit or in the manual. The AC adapter says 50-60 Hz/0.3A Would that be 300 Ma? I found a 3.7v 430 Ma at All-Battery.com, would that work, or is it too much? Is it possible for me to fix it? If not, what is a ball park estimate on the actual cost of replacing the battery if that is indeed the problem?

Thank you.

Rollande Krandall

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  • SingingLemur Feb 20, 2008

    I have charged it both ways and the readings are still inconsistent. I know about the USB On/Off setting, which could be easy to miss if I didn't actually "RTFM".

    I turned the USB charge option off because I thought maybe the USB port was the thing at fault and then charged it AC. Same both ways as far as I can see.

    As it stands, the AC has to be tilted a little high to make complete contact. The guy who sold it to me warned me about this, though the battery seemed to charge fully for him.

  • SingingLemur Feb 20, 2008

    I already have that document. It isn't actually a service manual, but the regular Coby MP-C951 manual that comes with the player. I printed it out and read it through before I posted my problem. In the troubleshooting section, there is no heading for odd battery readings, or actually anything at all concerning the battery beyond telling you to make sure it is charged.

    I would have been really excited to see an actual service manual. Those things tend to cost bucks and are not generally available to the public. When I took a TV repair class some years ago, the manual for a single brand and model of TV cost $45

    Ah well.

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That player has regular screws and should be fairly easy to disassemble. Before trying anything 3rd-party, I'd recommend giving Coby's support a call at 800-727-3592. Check your warranty status with them and ask if they have a parts center that you can order a battery from directly.

Posted on Feb 19, 2008

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Hi,

Changing the battery shouldn't be a problem...the main problem is finding a suitable battery. I will look into it and get back to you ASAP.

Posted on Feb 19, 2008

  • 1 more comment 
  • Damen Wong
    Damen Wong Feb 19, 2008

    Say, do you charge your player with the AC adapter or via USB?

  • Damen Wong
    Damen Wong Feb 19, 2008

    Also, is the USB charge option on or off? When you fully charge your player and you don't connect it to the PC...does the battery still behave inconsistently?

  • Damen Wong
    Damen Wong Feb 20, 2008

    I would estimate the cost for replacing the battery to be from 50$ to 100$.

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Yes..that's 300 mA...you should be able to replace that battery..let's find you a service manual shall we?

Posted on Feb 19, 2008

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QUESTION ONE:

Can you see it in "My Computer"? It will show under "Removable Drive/Storage"

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Double click the removable drive to open the folders. Can you see your music, photo and photo folders?

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