Keep devices powered up with two packable AUKEY products

I work out of a backpack six months out of the year. Since power outlets aren't always accessible, I rely on power banks to keep my gear in working order. Power banks weigh in on the hefty side. For all their added bulk, they have never delivered enough oomph to keep my devices going when I'm traveling. And wall chargers are iffy too. Most I've tested are built for one device only, which means I have to load my pack with numerous cables and chargers. Not fun! Those chargers that do have more than one port are weighty, missing a foldable plug, or take up too much real estate. After years of lugging around not-so-portable power banks and wall chargers, I've found a solution that works for me with AUKEY. It's not perfect, but it's the closest setup I've found that works for me. How I'm making AUKEY work My goal is to keep a light pack. To do that, I need to carry as few items as possible, and they all need to fall into the featherweight category. For me, that means one charger tha...