Can I charge my laptop off of a power bank?

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fixty100

fixty100

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Aug 31, 2014
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I currently have an Ultrabook (PC Specialist Lafite 2) where the official charger (connects to mains) output is 19V and 2.1A. Also I own a power bank with the output of 5V and 2.1A. Could i buy something like this: http://.
 
Solution
giantbucket
USB only gives 5V, but your laptop needs 19V as you said. so, nothing will get charged. this would be like taking a shower using an eye dropper.
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