Roam Gull

Power banks

Anker Nano Power Bank 5K MagGo

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Thin magnetic backup for iPhone

5,000mAh at 122 g and 8.6 mm thick, with one USB-C port. USB-C output tops out at 2.4A, so it is a phone top-up only.

Read: Best power banks for flying

Price checked November 2, 2026

Specs
Capacity5,000 mAh
Weight122 g
USB-C ports1
Airline friendlyWh not stated on the page; no comparison to 100 Wh made

close in price

ProductBest forPriceLink
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Belkin UltraCharge 22K Power BankThree devices from one carry-on bank$99.99Visit
Anker Laptop Power Bank 25K, 165WLaptop plus phone on long flights$119.99Visit