PDA-Based ETDs

[Don]

Hi Terry,

And the cost of the battery holder, and the cost of the voltage indicator,
and the cost of a charger, and what is your labor rate per hour? Lots more
than $13.00 I suspect. Plus LI vs Nickle Metal Hydride--no memory effect on
the LI, but there is for the Nickle.

At 06:08 AM 5/1/2008 -0400, you wrote:
>Well, for one, I already ordered batteries to make up an external pack. The 
>pack I'm making is half the size of the Zap pack (and half the capacity - 
>but still way plenty, I'm quite sure), and the batteries only cost $13 
>compared to $139.
>
>Terry Farrell
>
>----- Original Message -----
>> I'd suggest something like this:
>>
>> http://www.zapworld.com/recharge-it-all/m-48-laptop-battery
>>
>>
>> At 06:08 PM 4/30/2008 -0400, you wrote:
>>>
>> So...........
>>
>> I just ordered 10 NiMH batteries to make up a 26.4 watt-hour (12V, 2.2 Ah)
>> external battery pack for my PDA. The battery in the unit is only 4.4
>> watt-hours, so the external pack should last longer than my arm. I'm going
>> to make it flat (about 3"x4"x1/2") and put a nice mark-free rubber pad on
>> the bottom. The pack will serve as a base to set the PDA on so that I 
>> don't
>> scratch a piano finish. I'll also try to rig up some sort of attachment
>> method so I can mount the pack directly onto the PDA cradle so that when I
>> want to use the tuning pin mount, I can move the pack and PDA as one unit.
>> The pack will also have an LED voltage monitor so that I can always be
>> aware of how much juice I have. This pack should have way more than enough
>> power for a very full day -
>>>/ Virus Database: 269.23.6/1407 - Release Date: 4/30/2008 11:35 AM
>> Regards,
>> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T. 
>
>
>
>
>-- 
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11:35 AM
>
>
Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
Non calor sed umor est qui nobis incommodat

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