Mono Solar Panel 40W A Grade with Cheapest Price

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
100 watt
Supply Capability:
1000 watt/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Item specifice:

Material: Monocrystalline Silicon Max. Power(W): 40 Number of Cells(pieces): 36

Product Description:

Mono Solar Panel 40W A Grade with Cheapest Price

product description

Solar cells are described as being photovoltaic irrespective of whether the source is sunlight or an artificial light. They are used as a photodetector (for example infrared detectors), detecting light or other electromagnetic radiation near the visible range, or measuring light intensity.

Multiple solar cells in an integrated group, all oriented in one plane, constitute a solar photovoltaic panel or solar photovoltaic module. Photovoltaic modules often have a sheet of glass on the sun-facing side, allowing light to pass while protecting the semiconductor wafers. Solar cells are usually connected in series and parallel circuits or series in modules, creating an additive voltage. Connecting cells in parallel yields a higher current; however, problems such as shadow effects can shut down the weaker (less illuminated) parallel string (a number of series 

Mono Solar Panel 40W A Grade with Cheapest Price


The modules use high-quality imported polycrystalline or  Polycrystalline solar panel;

 Enclosed by high-rigidity tempered glass, with excellent light transmittance and output performance;

Surface treated with reflection-reducing process, increasing the light absorption.

Back sealed with anti-aging EVA, resistant from moisture and corrosion.

The efficiency of our  Polycrystalline solar cell is over 17%, and polycrystalline panel is over 16%. We stipulate, the allowance of each panel’s rated power has to be positive. Each panel is strictly tested before leaving the factory.

Our solar panel is designed with a lifetime of 25 years, and guaranteed that the power decline less than 10% within 10 years, and 20% within 20 years.


28pcs into one box 48pcs into one pallet.


20 days after received full payment

Payment term


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Solar Panel experts...please help.?
I'm not an expert, but I recently went through the process and now have a system on my home. I got 3 quotes from 3 licensed contractors and they all seemed to be about the same, the prices seemed to be based on the amount of energy they produced. In CA and I'm sure everywhere else they are tested by an independent agency which rates the output of the panels. You seem to have similar usage as my house, I got a 3.75kwhdc unit, it isn't expected to eliminate my bill, but it should reduce it by quite a bit. I've only had it for a few months and it took me from about 45 kwh per day to around 0. I know I'll have lower output in the winter, but my usage is lower in the winter as well. I decided on this size unit to maximize my rebates and I can take advantage of my utilities rebates when I add to the system in a few years. The difference between panels seemed to be how big they were. Some systems can be twice the size and produce the same amount of energy. I put a couple links below that I found helpful. The roseville pv buy down program has some great links that give information about specific systems.
Q:Questions about Solar Panels and Battery back ups.?
Q:where to find used solar panels?
Used Solar Panels R Us
Q:Solar panel, Home office and Tax write off?
Pretty much stop existing.. Global Warming is Earth's way of pretty much saying..NEXT...We arent causing global warning its time for a change and the earth is doing it.. Mt St helens and also Mt Pinatubo put out more green house gases than anything humans did in history ..Its just a normal trend..Getting ready for the coming of another species.. just like it did with us and we survived ..that should be the question here ,how to survive the earths changes not what we can do about it. There is nothing we can do that will make a difference..Told Decaprio the same thing..
Q:why wont my solar panel make my dc motor work?
You didn't say how much power your panels can produce, or how much power (current x volts) the motors require. The panels must meet or exceed what the motor requires. You might need to get a very small motor and a little gearbox out of some other motorized toy, or at least a small pinion gear for the motor and a larger ring gear that can be attached to an axle (similar to how RC cars accomplish their drive train). A worm gear drive set might be even better if the motor / solar panel combination isn't very powerful - it'll go slowly, but some movement is better than no movement. If you put the panels in series, a 2 V motor should be the best match (again, only if its power requirements are small enough). If you want to try running the 3 volt motor off the panels, you might try paralleling them (make sure you get the polarity right or they'll try to kill each other) - you'll still be mis-matched, but if the motor requires less power than the 9/2/8 volt motor(s), it might work. If you have or can acquire a multi-meter, you'll be able to measure the voltages and currents and that will not only help you see what's going on, but adding some details might help others help you get this working.
Q:Need help with a solar panel?
In order: .  Just about any wire will do.  You can handle 50 mA over just about anything, even 28 gauge telephone wire.  Your biggest problems are probably going to be mechanical stress (you want stranded wire instead of solid, to avoid breakage) and dealing with the size of larger wires. 8 gauge speaker wire may be a good optimum. 2.  You need a diode.  If you're charging NiMH or NiCd cells you're going to have about .25 volts/cell; you can charge up to 3 of them in series with a 4.8 volt panel.  The solar panel is a bunch of diodes itself, but they're leaky in the reverse direction; the diode prevents the batteries from discharging themselves back through the panel.  You want a Schottky-barrier diode, because the forward voltage drop is about 0.2 volts instead of 0.7 volts for a regular silicon rectifier.  This gives you maximum current output from your panel.
Q:how to hook up solar panels to meter?
Im an ex solar installer. I dont know all the details but I know of 2 companies in hawaii that are doing what youre talking about - and yes, it feeds power back into the grid and makes your meter turn backwards. uh... darn... locate a company that does that stuff and they will tell you best how and what and why. The electric comapny will know less as they are (believe it or not) behind the times. 2st century technologies is the co. in hawaii. the owner is way cool. its a full-on expensive system though, not some cheesy diy thing. its gnarley. you need the special panels and all that. Photovoteic panels are really expensive. The system costs like 0k + but pays for itself after perhaps 6 years and then you reap the monthly check from the electric company for life (instead of you paying them) Inh hawaii, the sun is strong = $$$ for solar. good luck in whatever, man. Hope you find what youre looking for.,
Q:how to build solar panels?
i think the evil Genius book has how to build home made solar cells.
Q:Help with Home Solar Panel System?
And at what tilt? Are there trees, poles, or buildings that cast a shadow on the roof at any time? Is the space clear of vent pipes (these can be moved, but it's extra work and cost)? Probably your best move is to contact a solar installer, and get a free quote on a system. Have them quote a system that you own, not a lease. They will do an analysis of your home, which will be very valuable even if you decide not to use a professional. If there are no professional installers in your area, that's an indication that your area may not be good for solar.
Q:Solar Power...........?
Many solar panels wired in parallel, 2 volt solar regulator, 2 volt battery e.g. 30 Ah, 240 volt inverter, autotransformer that can go down to 50 volts. There are many parameter to the electric motor missing. AC or DC, current needs for full load. How many watts the motor uses and the number of hours required will influence the solar panel, regulator and inverter specifications.

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range