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Car charger for a Gigabeat F40.

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scharkalvin:
If the adapter does not supply enough voltage it's possible that the battery might
discharge into the adapter (Kirkoff's law)...depends on the power supply design of the player.  Also the battery and the power supply may both share the load.

I only posted a second time to add more info I left out in my first post.
(sorry, senior moment!)

AlexP:

--- Quote from: scharkalvin on October 20, 2007, 04:32:43 PM ---If the adapter does not supply enough voltage it's possible that the battery might
discharge into the adapter (Kirkoff's law)...depends on the power supply design of the player.  Also the battery and the power supply may both share the load.

--- End quote ---

Yes indeed.  The gigabeat battery seems to have a maximum voltage when charged of low 4.somethings, so 4.5V is a little close, but probably OK.  However, me personally I would just get a 5V charger.  5V is a very common value, and really shouldn't be too hard to find.  You can buy cigarette lighter chargers that come with multiple tips pretty easily.

vexecuter:
I've bought one off ebay for $9.99 including shipping to UK. That's not bad... I don't mind waiting about 3 weeks for it to arrive either... hah! Thanks guys. :-)

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