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From: screwloose@ne*.co* (Dunk, John)
To: "Peter N.R. Heseltine" <heseltin@hs*.us*.ed*>
Cc: techdiver@terra.net
Subject: Re: To Light a Beaut
Date: Tue, 30 Jul 1996 00:27:22 GMT
On Mon, 29 Jul 1996 17:12:52 -0700 (PDT), you wrote:

>George,
>
>You're the expert. The principal behind batteries for a scooter can't be
>all that different from batteries for a video light: lots of power needed,
>long burn times etc.
>
>From your post did I understand correctly that you can run one of your
>scooters on a lithium type and or a nicad battery costing about $100 bucks
>for 2 1/2 hours? How many amp hours is that. I assume you are using a 24v
>system, correct?
>
>As you know, the AUL lights mostly use lead acetate gelcells, because they
>are cheap (well not very) and no partial charge problems. But they are
>heavy suckers and bash the acrylic cases (costly).
>
>Do you have another, better solution?...while we mere airbreathing mortals
>await the arrival of the electric arc light lamps, which are reputed to
>be as revolutionary as cold fusion and as ephemeral. RSN.
>
>still in the dark,
>
>-ph
>
>--
>Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
>Send subscription/archive requests to `techdiver-request@terra.net'.

For those of us who cant afford the sanyo nicads, I've had good luck
with the panasonic sealed led acid batteries.These are NOT gel-cels
(gel cels are similar to a motorcycle battery;fair capacity &
cheap,but limited charge-cycle life).A generic equivalent is the
Taiwan Kobe battery;12v,7.0 amp-hours,and they can be had for about
$20 a piece.A pair of these gives you 14 Ah at 12 volts,and they'll
fit comfortably in a housing measuring 5.25"x14".Check out the 2-stage
chargers made by Schumacher (I think Arnold Jackson uses these)
.They'll bring the pack up from discharge to full charge in 2-4 hours
with minimal stress to the batteries.

   John L. Dunk                   
   Tallahassee,Fl.                 
   screwloose@ne*.co*     

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