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Forum Index : Electronics : electronics

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Guest

Joined: 01/10/2003
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Posts: 52
Posted: 12:30am 24 Feb 2006
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I've got my garden path lights rigged up with led lights, 10a battery storage which should be way big enough.  What I cannot seem to find at any reasonable price is a photocell that works with 12v and minimum power requirements.  There are 12v out there but they are over $35.  These are all over capacity for my needs.  My lights draw 3watts.

thanks
 
Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5107
Posted: 05:10am 24 Feb 2006
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Hi Ken

Yeah solar is expensive. 3 watts means that the lights draw 250mA from your battery at night, so you would need to put more than that back in during the day. To play it safe, I guess you would need a 10 watt panel to keep the battery well charged, you may get away with a 6 watt panel.

Glenn

 

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Chris

Senior Member

Joined: 12/09/2005
Location: Australia
Posts: 146
Posted: 11:38am 24 Feb 2006
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Jaycar have a 12v panel thats 10 watts which is designed to charge your car batt while your away i think... Look it up.
 
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