1：Peak power:6.5W 2：Solar cell brand:SUNPOWER 3：Cell efficiency:22.5% 4：Enclosure cloth:900D PVC 5: Cloth material:cotton and flax 5：Panel size:20*26CM 6：Product size:47*36*20CM 7：Net weight:380g 8：Accessories: 1x USB cable Features 1：Used for: cellphone,DC,MP3,MP4,Ipad and portable powerbank. Max current is 2.1A。 2: Applied for outdoors camping,hiking tour,cycling,mountain-climbing,etc.。 3. 45L volume can meet outdoors actitivy for 4~6 days. You can put the objects inside easily even the 14 inches laptop.