[Novalug] [OT] Not so silly question

[Jason]

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Rich Goodwin wrote:
> <sheepish grin>  If a device charges via USB, would any USB charger
> suffice???  There's alot of devices out there that use USB as the
> charger.  Since each has some transformer, I'd presume (I hate the other
> version - assume) they would stay within standard USB charging specs.
>
> Can anyone clarify??  I'm ready to buy a Palm TX (my Zaurus is appearing
> to show signs of aging - it lost data when changing batteries) and it
> uses USB for charging... since I have an iPod Nano, Motorla RAZR, .....
> can I use the existing charger(s)???</sheepish grin> 
>
Generally yes, but not always.  If I try to charge my Blackberry from
my desktop (which doesn't have the BB driver installed) the BB
complains that the current isn't high enough to charge the battery.
It does actually charge but it's very slow.  I would imagine plug-in
chargers also have a range of output current, but it takes so little
to charge a cell phone, ipod or PDA that it probably doesn't matter
much.  Playing with my kill-a-watt I noticed that it takes about 7w to
charge my Treo and 5w for the Blackberry while my wife's Samsung cell
phone only needs 3W, if that helps any.

- -Jason

- --
   --- There are no absolute statements.  I'm very probably wrong. ---
"The difference between genius and stupidity is that genius has its
limits."
                                        - Albert Einstein
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