| Subject: | Re: battery sled for Sharp 722 |
|---|---|
| From: | "Rob Danielson" danielson_rob |
| Date: | Wed Jul 12, 2006 1:11 am (PDT) |
At 5:49 PM -0700 7/11/06, Dan Dugan wrote: >Early August I'm going to hike and record two days in Haleakala >National Park. I won't be able to charge, so I want to make battery >sleds for my good old Sharp 722s. > >The external power supplies are rated at 5V, and they deliver 6V with >no load. They rate the output of their car powering adaptor at 4.5V. >I'm presuming a holder with four alkaline D-cells (6V) would be >appropriate, and should run a machine for days. > >Anybody have experience with this? > >-Dan > 4 X 1.5 because the low voltage shut-down on the DC input may not prompt the usual data saving routine? Test it with 4 old D cells running it till auto shut down? Rob D. -- |
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