Amerisolar's PV panels offer high module conversion efficiency up to 16.90% through advanced manufacturing technology, and excellent performance under both high temperature and low light conditions. Each module includes a 12 year limited materials and workmanship warranty, and Amerisolar's outstanding 30 year linear output warranty ensures your solar modules provide no less than 97.5% of minimum guaranteed output power when you install them, and no less than 80.6% after 30 years.