“How long would this power a laptop? I have a dell latitude 3520”

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• This is really going to depend on how much power draw your laptop has. If your maxing out the powerbanks charge off the highest output port (45W) A good few hours. If your laptop is using more than that it will extend your life but not charge the battery, by how much depends on how much more than 45W you're using at the time. I can nearly double the life of my macbook air with this.

  Answered by RedMage 1 year ago

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• Dell Latitude 3520 battery is rated 15 volts and 3400 mAh, In this case, this item can power it for around 4.5h.

  Answered by Anker Team 1 year ago

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