15 years: 90% of its normal power rating
25 years: 80% of its normal power rating
Within 15 days after receiving deposit
1. Sunnyworld is a professional solar panel manufacturer established in 2003.
2. Sunnyworld offers a wide range of monocyrstalline and polycyrstalline solar panels from 3W to 310W. Customized solar panels are also acceptable.
3. Our solar panels conform to CE, TUV, CSA, IEC, UL international standards.
4. Sunnyworld is not only a solar panel manufacturer, we also designed the first automatic solar tabber and stringer for cutting solar cells in 2011.
Q1:Are you factory?
A1:Yes.welcome to visit our factory or exhibition.
Q2:What kind of solar cells does it have?
A2:Polycrystalline 156*156mm and 125*125mm or mono 156*156mm and 125*125mm.
Q3:What is efficiency level?
A3:Between 16-18.9% for solar cells.
Q4:What is the nominal voltage?
A4:18v 20v 24v 30v 36v 48v and so on.we can adjust to what you need.
Q5:Can we add our logo on products?
Q6:Can we customized product?
A6:Of course.OEM is acceptable.
Q7:How many years power efficiency warranty?
A7:90%in 15 years,80% in 25 years.