5V-21V 3.3A Mobile power bank Six Battery Charger for 5V iphone 19V Laptop
£14.39
USB port output: 5V/=2.1A（max）. Take way the original battery, and use the item to power the notebook. For notebook users support most laptop below 19v/4a, Usb port:25w(max) support most Tablet PC.phone.
