1 ~ 220W~286W 30% BSTC*BIFACIAL SOLAR PANEL AMERICAN MADE SUPER PANEL RV boat
Alternatively, the equivalent efficiency has been defined as the sum of the front and rear side efficiencies weighted by the relative amounts of irradiance on both sides. McIntosh, K.R.; Honsberg, C.B.; Wenham, S.R. (1998).