How to Replace a Sony MP3 Battery

Written by patrick nelson
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Many MP3 players no longer have replaceable batteries. The logic is that the player will have become technologically redundant by the time the battery wears out, and that it's cheaper for the manufacterer to make a device without contacts and a removable battery cover. Sony's newer MP3 players do not have replaceable batteries. Sony's older MP3 players, including the NWHD5 and MC-P10 models, have replaceable batteries. The NWHD5 uses a replaceable lithium-ion battery and the MC-P10 uses a regular AA single-use battery. All of Sony's changeable-battery MP3 players have slightly different replacement procedures.

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Things you need

  • Battery
  • USB cable (depending on model)
  • AC power adaptor (depending on model)

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  1. 1

    Condition the existing lithium-ion battery on the NWHD5. Allow it to discharge fully and then charge it. Do this a few times to see whether the battery holds its charge. If a modern lithium-ion battery--which is common in MP3 players--doesn't hold its charge after you have conditioned it, it has failed and should be replaced.

  2. 2

    Identify the location of the battery cover. On the Sony NWHD5, the battery cover is on the lower left-hand side if you are looking at the face of the device. On the MC-P10, the battery compartment is just below the display.

  3. 3

    Insert a thin, pointed tool, such as a bent paper clip, into the hole of the Sony NWHD5's cover and slide the cover in the direction of the arrow you'll see on the device. On the MC-P10, slide the battery cover back away from the screen.

  4. 4

    Pull the label on the NWHD5's battery and remove the battery from the device. Pull the battery out of the MC-P10, just like you would a flashlight or transistor radio battery.

  5. 5

    Write down the NWHD5's battery model number and purchase a replacement. See the Sony website (see Resources) for a list of dealers.

  6. 6

    Insert the new battery into the slot. In the case of the NWHD5, match the arrow on the side of the device to the arrow on the battery. Fold the label into the compartment lid and close the lid. In the case of the MC-P10, just slide in a new battery. Make sure the polarity is correct.

  7. 7

    Connect the USB cable or the AC power adaptor and charge the NWHD5's new battery. The MC-P10 doesn't use a chargeable battery.

  8. 8

    Recycle the old battery.

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