know more about Sunpower solar cell,know what you are paying for.
As we all know Sunpower have the highest efficiency 3.7watt 5×5 inch Solar cell in the world.
and many distributor who claim they are offering the highest efficiency Solar cell of Sunpower in Cheap price,especially in China,on ebay,or some online store.
but the real thing is ,these supplier are selling flaw cells from Sunpower salted from the production line.are not real high efficiency.they are salted cell with all kinds flaw.
so if you are reading about this,and if you are want trying sunpower cell,just be clear what you are need .
general people just want cheap,so these flaw cells are ok for them.
but if you require highest efficiency,please notice there is no A grade at 3.7watt on sale. because the cost is very high.
each month Sunpower produce a lot of cells,and among them ,they filtered out the flaw cells, from 2013-2014,they have a lot of stock, after 2015, it sold to China container by container at a very cheap price, and they are made into many kinds flexible solar panel. after 2016,Sunpower become more and more popular,because the seller always say they are the highest efficiency,
and the back contact technology make the product looked better than general solar cells.
you may see a lot in USA who install sunpower solar cell on RV,boat.
from 2014-2016,the most popular Sunpower cell is Bin Q grade, power rate at 3.2watt more or less, have many kinds flaws,but can be used for producing flexible solar panels and other kinds solar products.
the lowest level of Sunpower cell are X, R level, power is below 2.8watt,and these cells are made into flexible solar panels, that’s why you can see very cheap sunpower solar cell flexible solar panel around 0.8USD/watt,or 150USD /pcs 100watt which sold from amazon. actually their lifespan won’t be longer than 2years, and their power will be losing soon after 1years later.
however, consumer prefer to buy lowest price first,what we do now is trying to tell people who still want trying this,you may have a better choice, even someone is ordered these solar panels, you may need replacement in the future.
About LINKSOLAR’s Sunpower solar cell made solar panel, we general use A grade 3.2watt Sunpower cells ,3.4watt Solar cell,according clients requirement. anyway we will tell what level Sunpower solar cell is.
And we also have 24% Efficiency Solar cells which is not Sunpower cell brand.
23-24% Efficiency Solar cell are mainly for solar race project, which get the best power for a minimum space.
we was supply Sunpower solar cell for clients solar racing project.now we can provide much higher level.
and it’s not Sunpower cell made. real 23% efficiency,and it’s no flaw cells.