Until very recently, USB-C Power Delivery battery packs were exclusively large. Like 20,000mAh or more, and a few pounds to boot. But if you don’t need that much power for a few hours on a plane, this pack from Xcentz is a svelte 5,000mAh, and only $11 today with promo code XCENTZ174.
Source: Gizmodo – The Smallest USB-C PD Battery Pack We’ve Seen Is Just Today