Solar panel power: 10WSolar cell: Polycrystal siliconSolar panel size: about 435*200*3mmSolar panel operating voltage: 18VSolar panel open circuit voltage: 21.6VSolar panel short circuit current: 0.55A (Max)Output port: USB, DC5521 femaleProduct features: integrated 5V voltage regulator moduleProduct use: charge 5V devices such as mobile phones and sports cameras, and charge 12V car batteries such as cars and boatSpecification:Name: Solar Panel Starter KitSize: about 46*21*3cm /18.11*8.27*1.18inchPacking List:1*Car Charger 1*Alligator Clip 2*Buckles4*Suction CupNote:Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual easurement, there is a tolerance in the product size.