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sci / sci.electronics.repair / Re: Solar car battery charger

Subject: Re: Solar car battery charger
From: Scott Dorsey
Newsgroups: alt.home.repair, rec.autos.tech, sci.electronics.repair
Organization: Former users of Netcom shell (1989-2000)
Date: Mon, 18 Nov 2024 08:37 UTC
References: 1 2 3

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From: kludge@panix.com (Scott Dorsey)
Newsgroups: alt.home.repair,rec.autos.tech,sci.electronics.repair
Subject: Re: Solar car battery charger
Date: 18 Nov 2024 08:37:52 -0000
Organization: Former users of Netcom shell (1989-2000)
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References: <vg9k94$10m9$1@neodome.net> <lor9olFdl7cU1@mid.individual.net> <vh944v$1it6$1@neodome.net>
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In article <vh944v$1it6$1@neodome.net>, Charlie <charlie@nospam.com> wrote:
>
>Do you think this 10 Watt (claimed) solar panel can charge a car battery?
>https://www.amazon.com/dp/B0DG5J98YH
>
>It (says it) supports 12 volts.
>
>The goal is a DIY science project but it has to work to do the job.

Sure. The question is how fast it can charge.

Figure a cell that gives you 10W in full Arixona sun gives you about 1W on the
average in upstate New York given cloudy conditions and the sun often being
lower on the horizon. Figure nine hours a day of sun in December in New York.
How many amp-hours do you need?
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."

Subject	Author
Re: Solar car battery charger	Scott Dorsey