Battery type: Li-polymer battery Solar power: Single crystal 1.5W Application type: commonly used Material: ABS+PC+ Silicone Capacity: 20000mAh Input: DC 5V/1.5A Output: DC 5V/2.1A(one device, output max 2.1A) DC 5V/1A(two devices, each output 1A) Charging time: 7-9h Features: 1.Dual USB Outputs DC 5V/2.1A(one device, output max 2.1A), DC 5V/1A(two devices, each output 1A) USB ports for Tablets,other smart phones or …