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Frequently Asked Questions
What is the maximum efficiency of these solar panels?
These high-efficiency shingled solar panels reach a module efficiency of up to 22.1% under standard testing conditions.
How do you ensure the quality of the solar cells?
We use a 52-step strict quality control process, including 100% color and power sorting, dual-stage inspection, and 100% EL testing to eliminate micro-cracks.
Are the panels resistant to extreme weather?
Yes, the panels are designed for operational temperatures between -40°C and +85°C, with a front static load capacity of 5400Pa and a back load of 2400Pa.
Can the output cables be customized?
The standard cable is 4mm² with a 300mm length, but we offer customization options for both portrait and landscape lengths based on project needs.
What is the standard lead time for delivery?
Standard delivery typically takes 5-7 working days, depending on the order size and specific packaging requirements.
What certifications do these panels hold?
Our solar panels are fully certified with ISO and CE standards, ensuring they meet international safety and performance regulations.
ConTech Solar
