The Best Travel Power Banks for 2026 (and Which Ones Are Actually Airline-Legal)

I’ve been buying, and wearing out, travel power banks since 2016. These days the one that lives in my camera bag is an INIU P63, a 25,000mAh brick I chose partly because it sits right around the airline carry-on limit, so I never have to think twice at security. Before that I carried an older…