Question about Personal CD Players

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Panasonic CD PLayer SL-CT520 Rechargeable AAA Batteries

I am having trouble in finding the right rechargeable batteries for my Panasonic CD player SL-CT520.
The ones recommended by Panasonic are "NI-MH RECHARGE BATTERIES HHR-4AGA/2B" which recharges within the CD player itself with the help of a DC Adapter.
Kindly Suggest if I can put NI-MH Batteries of any other company and have them rechagred in the CD player Body itself, without any need of buying an extra charger.
The batteries available in the market are "Panasonic HHR-3HPA", if I buy these will they be compatible with my CD player and charge in the Player unit itself with the DC adapter power.

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Re: Panasonic CD PLayer SL-CT520 Rechargeable AAA...

Hey this is RaulFixall. You can fix this problem by naking the batteries, I'm mean by taking apart the plastic that cover them. You'll see that the led charging will turn on.

Posted on Jan 03, 2009

Re: Panasonic CD PLayer SL-CT520 Rechargeable AAA...

Dear Anskho8,

The best guide for batteries is the type Size, voltage, and capacity in milliampere hours. as long as this specifications match you can always interchanged them. However you should buy the same type and quantity per batch, do not mixed them up.

Also make sure these are NI-mh types.


Posted on Nov 21, 2007

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Walkman Internal parts

  • General Features:
  • Silver design
  • 1 GB flash memory
  • USB 2.0 interface
  • Holds up to 47 hours of music at ATRAC3plus @ 48 Kbps
  • MP3, ATRACplus, ATRAC3 music playback
  • Supports WMA/WAV format
  • Blue backlit LCD
  • Displays artist, song, album in Traditional Chinese, Simplified Chinese, English and Korean
  • 70 hours playback on one AAA battery (battery not included)

  • Controls:
  • Menu
  • Repeat mode
  • Track repeat
  • Repeat/sound

  • Dimensions:
  • 2.21-inches in diameter (approximate)
  • Weighs under one ounce

  • Regulatory Approvals:
  • FCC
Package Includes:
  • Sony NW-E107 1 GB Network Walkman MP3 Player
  • Quick Start
  • SonicStage CD
  • Earphones
  • USB cable
Additional Information:
  • Notes:
  • Model: NW-E107

  • Product Requirements:
  • Pentium III 450 MHz processor or higher
  • Windows 98SE/ME/2000/XP Home/XP Professional/XP Media Center
  • 128 MB RAM
  • 200 MB free hard drive space
  • 16-bit 800 x 600 color monitor or higher
  • CD-ROM drive
  • USB port
  • AAA battery

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