Amorphous solar panels are lightweight, versatile and hard working. These panels will produce even on overcast days! Use these panels for smaller battery charging such as automotive, quad, fish finders, auxiliary batteries. Can be permanently mounted or temporarily mounted using the accessories included. 12W solar panel measures 12" by 24" and weighs less than 15 lbs. Trickle charge one or a bank of 12V batteries. Will help to offset running small electronics such as a fan, GPS or a radio. This solar panel is best matched with the 10A Solar Charge Controller.