We're always looking for free wall sockets to recharge our batteries and a lot of times there's way too much cord traffic going on, or the items that are plugged in need to stay plugged in. Thankfully, there are USB ports aplenty, and the Apex USB Battery Charger will fully charge 4AA or 4AAA batteries in just a few hours while plugged into a free usb port. [$11.99]
HyperJuice's 130W USB-C Battery might be the perfect battery for power users
The battery can quickly charge everything from an iPad Pro to a 15" MacBook Pro.