5 V 12 V 21 V 3,3 A Mobile Powerbank Akku Ladegerät Weiß für Laptop iPhone
16,26 €
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.
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