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. > > > > >-- >No virus found in this incoming message. >Checked by AVG. >Version: 7.5.524 / 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. Non calor sed umor est qui nobis incommodat mailto:pianotuna at yahoo.com http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK, S4S 5G7 306-539-0716 or 1-888-29t-uner
This PTG archive page provided courtesy of Moy Piano Service, LLC