Learn to build your own solar cells panels diy kit Awesome for first time build

Description

45,
3" X 3" ( 76 mm x 76 mm)  Square
, Solar Cells (Rated at 2 amps each)
These cell are easy to work with. We give you 45 cells because handling cells is tricky, and you will most likely break a few. No worries! You will only need 36 to complete our suggested panel. If you do need more cells contact me and I will sell loose cells to  customers who bought the 3x3 kit.
25 feet of tabbing wire (22.5 is needed)
Flat, skinny wire used by professionals to connect cells together. You need 6 inches for each cell, so this gives you a bunch extra to experiment with.
48 inches of bus wire
Wider, thicker wire used as a common connection point for multiple connections.  The more current flowing, the thicker the wire needed.
2 feet of 18 gauge black and red wire:
You will attach these wires in the junction box.
One blocking diode: 3 amp
A blocking diode is a semiconductor device used to stop the flow of current from one direction, but allow it in the opposite direction; a one way street sign for electricity.  When the panel is making electricity, it will flow into your battery and charge it. However, if the sun goes behind a cloud, the charged battery would try to flow backwards into the panel, draining the battery and/or potentially damaging the cells. The blocking diode prevents this
back-flow
from the battery.
50 spacers
Keeps the glass front and the plastic back from putting unwanted pressure on the cells.
O
ne Rosin Flux Pen
Helps adhesion and solder flow.
One roll of
leaded
solder, 170 cm length.
This is leaded solder, which has a lower melting temperature and is easier to use (in my opinion) than the "No lead" type.
One basic Junction Box
Attaches to the back of the panel for connecting wires from inside and outside the panel.
INSTRUCTIONS! INSTRUCTIONS! INSTRUCTIONS!
THIS IS WHAT SETS THIS KIT APART FROM ALL THE REST !!!
(The instructions are contained on a CD, which saves paper and enhances the picture quality!)
Includes:
* 3 videos, 32 pictures, and 35 pages of detailed step by step instructions!
* My e-mail address to ask any questions( seriously that email goes right to me)
* How to solder tabbing wire on your cells
* How to connect tabbed cells together
*  Connecting strings of cells
* How to attach the plastic backing and junction box
* How to test your connected cells
* How to make a frame and attach the frame
it is all covered on the CD.
* A list of tools and supplies needed to complete the project
* A web site I found to have a wealth of FREE information
* The name of a great magazine that has so much information
in it all geared for the home owner
You will need a soldering iron. I recommend a 40 watt most 20 and 30 watt irons just are not hot enough, the adjustable soldering iron stations are wonderful.
I do sell these 40 watt soldering irons and the adjustable soldering iron stations in my store.
Soldering iron: 40 WATT is
recommended
, either the gun style or the stick kind, chisel tip (Not a pencil tip. However, I show how you can modify a pencil tip on the instructional cd)
A VOLT METER( MULTI-METER)
I do sell these multi-meters  in my store.
Additional items you need for this project
NOT
included in this kit:
A tube of silicone (clear) [Hardware store]
A sheet of window glass use a piece 36" x 18" ( 46cm x 92 cm) [Hardware stores typically sell a pre-cut 36 x 18]
A sheet of  plastic also 36” x 18”  1/4 inch thick ( .5 -.6 cm)
If you intend to charge a deep-cycle battery you will need a small charge controller. This will act like the diode and will give the battery electricity in the way the battery prefers.
I do sell these charge controllers in my store.
TWO  8’ x 1/2" ( 2.44 M  x  13mm) aluminum c-channel for frame.[H
ardware store]
More accurately the math on these cells using STC is 36 (cells)  X .521V = 18.756 V  x 2.03 A = 38.08 watts
*The reason It's a 18 volt panel is to charge a 12 volt battery. 12 Volt batteries rest at close to 14 volts fully charged and need more then 12 volts to charge fully. 18 volts is the Industry standard on best voltage to charge a 12 volt battery. Also 18 Volts is the normal because on many day your 18  volt panel may not be producing its full 18 volts it may be only producing 14-18 v depending on weather, angle to sun, time of year ETC. Always use a Charge Controller (CC) when charging 12 volt batteries with a s18 volt solar panel or you can damage the battery by overcharging.
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On Oct 14, 2022 at 02:16:07 PDT, seller added the following information: