The Best USB Power Banks for Laptops

The Best USB Power Banks for Laptops
Our pick ZMI PowerPack 20000 The best USB power bank for laptops The ZMI PowerPack 20000 can charge phones and most laptops, and it was the only one we tested that properly charged Asus Chromebooks. The ZMI PowerPack 20000 is the total package. Like the PowerPack 20000, the PowerPack 20K Pro doubles as a hub, so you can plug keyboards or flash drives into the USB-A ports too. It also has the same capacity and the same USB-A output ports. Maximum USB-C output: 45 wattsMaximum USB-C input: 45 wattsNumber of USB-A ports: fourCapacity: 20,100 mAhWeight: 1 poundMost major laptop brands will charge from our power bank picks