Technical parameters: Battery type: Lithium-ion polymer battery Battery capacity: 12000mAh/13.7V / nominal voltage Rated input: adapter input matched laptop Output voltage: 5V, 9V, 16V, 19V, 22V (optional) Output current: 5V/500 mA; 9V/1000 mA; 16V/3000 mA; 19V/3000mA; 22V/3000mA Output power: 60W (maximum) Using Temperature: -10 íµ -50 íµ Size: 160 * 102 * 35 mm Weight (net weight): 438 (there will be some differences for different configuration) Product Specification: 1íó input interface: DCº¦4.0. 2íó output interface: two DCº¦3.5 interface and USB output interface. 3íó Material: plastic (ABS), fire prevention material. 4íó lighting: highlight LED lights 5íó control switch: PUSH, LIGHT. 6íó LCD display: LCD background light. 7íó several different voltages can be outputted simultaneously so as to charge many digital products expediently at the same time. pachage size:60*46*33cm, gross weight/package:28kg/29kg