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Re: wearcomp batteries

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Oops, this went out to the poster, not the list...
my apologies...

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Date: Thu, 6 Jan 2000 18:04:37 -0500
From: Eric Laforest <ecl>
To: Steve Mann <>
Subject: Re: wearcomp batteries
Message-ID: <>
References: <20000106185644Z290325-25450+>
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In-Reply-To: <20000106185644Z290325-25450+>; from  on Thu, Jan 06, 2000 at 01:56:35PM -0500

On Thu, Jan 06, 2000 at 01:56:35PM -0500, Steve Mann thus spake:
> >Has anybody looked at the batteries used for profesional video
> >equipment?

<snip>

> now that the sony li-ion camcorder batteries are so readily
> available in the marketplace, it seems that these are the best
> option.

I use gel-cells since I can easily charge them in the field.
(I have a voltmeter on the power line to monitor operating voltage)
I'd love to use Li-Ion for weight/capacity, but AFAIK these require
a microcontroller to charge them else they get killed.
I want to use one set that is field-recheargeable and not have to
keep a second set in a charger base at home/office.
I could homebrew a Li-Ion charger with the appropriate charger chip, but
are there some Li-Ion batteries that have such smarts built-in?

> the big battery packs, battery belts, etc. are so reminiscent of
> 1970s --- great for a first generation wearcomp of the '70s, but
> probably overkill for seventh generation computing in the '00s.

Awww...but '70s overkill engineering is fun...;)
and think of the uptime or additionnal peripherals one can use
with such massive packs.
BTW: how much do those things go for typically?

> 
> steve
> 
> http://wearcomp.org
> http://wearcam.org
> http://eyetap.org

--jRHKVT23PllUwdXP--

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