When you buy through links on this page, HuffPost may earn a commission that helps support our journalism. Every product is handpicked by the HuffPost Shopping team, and prices and availability are subject to change. Refuel your phone and your sanity with these packable picks. A reliable and portable power bank is a no-brainer addition to your carry-on bag. Few things are more anxiety-inducing that being at 10% and staring down an endless security line — a scenario that’s been unfortunately