If you unwrapped a new phone, tablet, or laptop this holiday season, the first thing you should do is sort out your charging situation. That means upgrading those slow, chunky wall adapters you’ve been using for the past several years. In contrast, an can top off a phone or give a power-hungry laptop a huge boost on the go. The good news is that right now you can save over 50 percent on some of our favorite power banks, wall adapters, and portable power stations. If you’re looking for an affordable, impactful everyday upgrade, this guide is a great place to start.