If they are sold through a manufacturer with a warranty they are good as the manufacturers standard product as long as you don t mind typically visual flaws.
Grade b solar panel.
If they are on a barn on in the middle of the woods not an issue but on a residential home in view of the public it may be.
Make sure if you plan to use these in a grid tie or inspected application that they will need to be ul listed.
Grade b cells have visible but tiny defects and the electrical data are in spec.
Grade a normally means a panel has no visible defects and all the major possible defects are covered by manufacturer s standard warrantyl.
I use b grade evergreens with no problem at all.
Most times buyers of solar panels keep hearing about grades of solar panels but most don t have a clue of what these grades mean.
Slight bend of 2 0mm 2 5mm.
Solarworld 315w b grade sunmodule pro series xl silver mono sw315.
A selection of grade b solar panels and accessories are available for creating a custom roof mount solar power system.
Monocrystalline and polycrystalline solar panels of all panel types monocrystalline typically have the highest efficiencies and power capacity.
These are b grade panels which may have minor cosmetic frame blemishes.
Thus grade b panels are not necessarily good or bad.
The following visible defects are common.
B grade solar panels.
View as grid list.
You can also produce a divider on the other side of the middle of the container if preferred.
Part of front busbar missing missing area w 0 5mm l.
They are backed by solarworld s full power and performance warranty.
Missing prints 0 5mm.
With some cosmetic imperfections scratches bubbles or cells misalignment that do not affect the power output these solar panels perform well at 90 or better of the rated power.
Grade b usually means the panel has some cosmetic imperfections or cosmetic blemishes of the above but has the same electrical output as grade a.
You obtain your normal flower colors and you get your not so standard flower colours.
Contact us for pictures and more details.
Solar panels up to 30 to 80 cheaper than the competition mon fri 9am to 5pm 15901 nw 59th avenue miami lakes fl 33014 office.
Solarworld sw315 xl silver mono b grade solar panel.
B grade solar panels should be set up by hand.
Color deviation visible yellow area takes more than 1 4 area of total on the surface.
Grade b usually means the panel has some cosmetic imperfections or cosmetic blemishes of the above but has the same electrical output as grade a.