Tell me about Solar LED battery Shed Lights


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I am gonna have to run a remote wire off to the yard because the sheds sit inside the treeline and are shaded more than half the year. I imagine line losses will be invoved.

The sheds are not big, 10x20f and 12x20f. I was thinking to use 4 foot fixtures What kind of controller and other details should I know? I am using car batteries because sometimes I need them for portable winches or my 25 gallon sprayer pump.

Specs for systems and panels are making my eyes blur. Where can I learn more?
 
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zigs

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I use a charge controler like this one



I've got 4 30 watt, 12 volt panels which feed into a hub before connecting to the charge controller.

That goes to 3 12 volt leisure batteries, which I can take a 12 volt feed from or put it thru an inverter to charge the lawn mower/ strimmer and so on.

Where I used to live I had a long cable (15 to 20 metres) that ran to the pill box and powered a 12 volt LED lighting strip :)
 

zigs

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Thats cool! So 120-180 feet of wire did not appreciably diminish the energy feed? I would not have known that on a dc voltage setup. I was thinking I would have to increase the wire size at a minimum of once or twice.
The LED's only take a small amount of power so no noticeable drop off. It was a 2.5mm cable though :)
 

zigs

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Some pics of our present set up :)

DSCF1697.JPG


2 Panels on either side of the roof.

DSCF1698.JPG


The hub at the top allows for more panels to be added or the wind generator if I can get it back from Dorset.

The charge controller can handle 50 amps, it only goes upto about 10 amps in full sunshine so no problem there.

DSCF1700.JPG


Total cloud cover this morning but still getting 1.2 amps through the clouds



DSCF1699.JPG
 
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Obviously I have to overcome certain life choices in pursuit of panel placement. This should be fun. What is there about the light? Do they need a current stable driver for white lights? Or wire direct? I was thinking 48" replaceables for more lux.
IMG_20190715_074738_resize_30.jpg
IMG_20190715_074816_resize_66.jpg
 

zigs

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I had the LED's wired straight to the 12 volt without any current stabiliser :)
 
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Depending on how long or how often you plan on running the lights you could possibly get buy without any solar panels just a 12 volt battery. There is a lot of info on Youtube about the cheap Harbor Freight setups. Here is an online dealer that could supply better equipment if you really needed it.
 

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