The TSM-480DE15V(II) TALLMAX from Trina Solar is a monofacial module made of monocrystalline PERC third-cut cells in a silver frame with a white backsheet. This module provides a maximum 480 watts and boasts 20.4% efficiency under standard testing conditions. The TSM-480DE15V(II) is backed by a 12-year product warranty and 25-year linear performance warranty.