Battery: Li-polymer battery Battery Capacity: 20000mAh USB-C Input: 5V/3A, 9V/2A Micro-USB Input: 5V/2A, 9V/2A Solar Panel Input: 5.5V / 300mA Output USB-A 1: 5V/3A, 9V/2A, 12V/1.5A USB-A 2/3: 5V/2A USB-C:5V/3A, 9V/2.22A, 12V/1.67A  Wireless Charging: 10W Wireless Charging Distance: 8mm LED Brightness: 550lm Charging Time: 4-5Hours(USB-C/Micro-USB), 75 hours (Solar)