Hot selling high quality green 5.5W SUNPOWER portable solar power bank charger ECE-655 Item: 5.5W portable solar charger Model number: ECE-665 Solar panel: Sunpower solar cell Solar panel effiency: 22% Maximum power(Pm) : 5.5W Voltage at max power(Vmp) : 5V Battery :2000mah Output: USB output Color: Black,Camouflage, Green etc Product size: 341*167mm Weight: 270g Application used to charge smartphones, tablets, and even accessories, or any other 5V devices. Operating Temperature: - 40℃-+85℃