Some world famous brand of solar panels manufacturer and supplier and it’s warranty years as below:
Amerisolar warranty 12 years
Astronergy warranty 10 years
Lingtechsolar warranty 25 years
Axitec warranty 15 years
BenQ solar warranty 20 years
Boviet Solar warranty 12 years
Canadian Solar warranty 25 years
Certainteed solar warranty 10 years
ET solar warranty 12 years
First Solar warranty 20 years
Grape Solar warranty 15 years
Hanwha warranty 20 years
Hyundai warranty 20 years
LG solar warranty 15 years
Green Brilliance warranty 12 years