For a U.S. flight, keep a power bank in the cabin, protect it from short circuits and check its watt-hour rating. A battery at or below 100 Wh fits the FAA's general size limit, but an airline may set stricter rules.
Do not pay extra today on the assumption that every planned partnership benefit is already available. Confirm launch status, your eligibility and the exact booking terms before assigning a value to extra rewards.
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