"Simon Mackay" <[EMAIL PROTECTED]> wrote:
>Has anyone ever had experience designing their own "long-distance" 
>battery pack for their personal high-demand electronic devices? How 
>did they go about designing the battery pack, what battery did they 
>use as the basis of the pack and how did they connect it to the 
>electronic device? Also, how did the device react to the external 
>battery pack and was the device's battery meter able to indicate true 
>battery strength of the external batteries?

Headroom sells an external battery pack for many CD players, and they 
even include a note that  "We can 4D holders for certain portable CD 
players.  Call us for details." I am assuming that they could do the same 
for MD players.

<http://www.headphone.com/ProductsOther/AccessoryList.asp>

As a side note, the device's battery meter will not indicate the battery 
strength. External battery packs plug into the AC adapter jack, so the 
device actually thinks it is connected to an AC adapter.
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