Re: DTR-1 External battery pack experiments
Subject: Re: DTR-1 External battery pack experiments
From: firstname.lastname@example.org (The Net Works)
Date: Fri, 11 Nov 1994 09:50:07 GMT
Article: 7068 of comp.sys.pen
Newsgroups: comp.sys.pen, comp.sys.laptops
Organization: NETCOM On-line Communication Services (408 261-4700 guest)
Xref: cc.gatech.edu comp.sys.pen:7068 comp.sys.laptops:26031
Melvin Zwillenberg (email@example.com) wrote:
: For those who may have seen some mention of experiments I was doing
: to use an external battery pack with the Dauphin DTR-1, I must report
: that the experiments have turned out unsuccessful.
: A 12V pack consisting of 8-AA Renewal rechargeable alkaline
: cells had a life of about 40 minutes. Thsi would indicate
: that the internal voltage reduction circuitry in the DTR-1 actually
: draws 2.1 amps as indicated on the a.c. adapter.
: The alkaline AA's have a capacity of 1500 mAH and
: (1500/2100)*60 is about 40 minutes.
: Thus, to have a 3 hour life, an external
: battery pack would need a capacity of 6.3 amp-hours (6300 mAH).
I don't get it. But I am interested. Are you trying to avoid buying the
optional 8 hr battery/cover pack? I just got a Dauphin DTR-1 and am
interested in what your experiments initially entailed. Thanks in addvance
Barry Yarkoni and Uriel Sigala
The Net Works - Los Angeles, CA
213-936-7809 Fax: 213-936-5563