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This is our fifth and most important step in our solar panel tutorial, where we outline a step by step method on how to build a solar panel at home.
Here’s a quick checklist of things we should have already completed:
- Determining how many solar panels we’ll need;
- Settled on our solar power system design;
- Purchased or found our solar power system components;
- Obtaining all our solar panels materials and tools;
With all that done, we’re ready to proceed with our solar panel construction!
This is the most critical stage of constructing your own DIY solar panel and we’ll take you step by step through the exact process of:
- testing your cells;
- preparing the backboard;
- preparing your connecting wires and bus tabs;
- connecting your cells together;
- affixing the cells to our backboard;
- wiring up our junction box and connecting our panel to the charge controller, with diagrams.
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solar cells these days are not yet very efficient in generating electricity*.~
Thanks for your comment Ian. We’re so overwhelmed by the wealth of knowledge you’ve advocated in support of that proposition that we find ourselves wondering why we bothered learning so much about them dang inefficient solar cells in the first place.
To be fair though, you’ve stumbled on a valid point. As you’ll see from our solar panel comparison, solar panels range in efficiency of anywhere between 12-17% and a lot of research is presently going in to making the PV cells themselves more efficient. It’s an important goal considering the surface area required to generate significant power, and obviously more efficient cells means less space – or more power from the same space
the best soldering iron are those using non-filament heaters, the tip should be made of steel alloy too.
Solar powered energy modern advances has truly come to a point of its progress where it power a lot of equipments, from energizing the whole residence down to small electronics devices. It is very cool to recognize that people have other endless resource of electrical energy and it’s really clean compare to the standard means of generating electricity. Expect more on this in the future years and also expect a lot nations around the world to compliment people involved employing the solar power innovation. I’m among those people who are grateful to take advantage of the free energy converted into available electricty for home which power the home devices, water heating and right down to chargers for mobile computing devices, ipods, audio players and many others.
Hello Admin.: 12/21/2011
I easily understand soldering the bus wire on just buy seeing the proceedure but when I see the 48 cells lined up on their back and wires have been soldered onto every cell it makes me think; that wiring the first cell,with the tabing wire, on the negative side, then wiring the next cell, to the first, on the second cells positive side is not all that is getting soldered with the tabing wire. It appears that the positive side of every cell is getting soldered with the tabing wire also. Is this true? Can you please give me an example exactly how many wires are finally wired to the cells?
Kevin
Hey Kevin,
It looks that way because each cell does in fact have wires on its positive and negative side. It has wire from the cell before it which connects to its positve side, and then wire on its negative side that connects it to the positive side of the next cell in the string. I’ll see if I can put up a diagram that makes it clearer.