Why are some tier1 solar panels very cheap? There are many trading companies selling tier1 solar panels.

There are a lot of fake solar panels in the spot market. Customers can't get the warranty after purchasing, and even they have to face a high fine of 2-5 times the value of the goods due to the lack of export authorization, the goods will be confiscated in the customs.

A large number of branded solar panels with quality problems that need to be destroyed, flow into the market at low prices. Customers who buy from unqualified and unauthorized traders will bear all the risks after purchase.

Some solar panels may have quality problems, such as broken cells, delaminating of cells, deformation of junction boxes, etc. The traders do not have professional testing equipment, these quality problems may affect the efficiency and lifespan of the solar panels, and may even lead to potential safety hazards.

Solar panel power decays with the passage of time. After a long time, due to the poorer stacking sites, stock solar panels have a greatly reduced service life and power.

Without export permit from original factory, all brands solar panel or brands solar inverter are fake items, no warranty no power guarantee.