... (parallelogram, rhombus, trapezoid), round, fanshaped, arch, circle and polygon. solar cell: poly or mono high efficiency of 16 ... and Sunpower cell, ect.) service life: 5-7years(PET mini solar panel) usage: our clients use the panel for solar lighting-solar lamps ... , solar garden lights, solar lantern ect., solar charger and thousands of solar applications ...