5200mah power bank external battery pack 1.approved for CE,ROSH,FCC 2.LED ... indicator 3.High quality best price 5200mah power bank external battery packSpecifications: Capacity: 5200mahInput: 5V-1000mahOutput: 5V-1000mahSize: ... can use it at ease.7. With intelligent switch, it can extend built-in battery life, higher safety.mobile ... , PSS adapterOwner's manual 5200mah power bank external battery pack