what im really looking for is a list of items so i can power something in my house but also understand how it works. if you want to shoot for something to power, I have a fan in my room. what do i need to power the fan with the lights on in the summer? 3 bulbs at 40 watts and the fan on.
what about during the night(?), do you need a battery?
Originally posted 2008-12-21 00:13:59.
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Best idea is to charge as many batteries you may need to power your items. You can run some with the use of direct sun over the solar modules, but only in peak time you will have it fully working. 3/40w bulbs plus a fan, you need 200 watts of solar modules… with an 80w module you can charge batteries and have enough.
I hope you realize that a solar panel puts out DC, and home appliances run on AC. Unless you want to wire the lights separately from the house wiring, you would need solar panels and an inverter. If this were an off grid system, you would need batteries to be able to use lights and fan when the solar system is not generating.
Also, solar panels of the size you would need are usually 24 volt.
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