This Sunforce amorphous solar panel works in sunny and cloudy conditions. Thanks to double junction technology, panel is more efficient and wears out less over time, meaning you get more power for a longer time. Application: Battery charging for backup or remote power, Watts: 25, Dimensions L x W x H (in.): 25 1/2 x 25 x 2, Material: Amorphous, Panels (qty.): 1, LED Light: No Sturdy aluminum frame, thicker glass, and a higher stabilized wattage rating Accessories and mounting brackets included