A reliable power bank keeps your devices charged during travel, especially on arrival in a new city. But not all are allowed on flights—always verify specs first. Oversized power banks or multiples can pose fire risks, particularly in checked baggage where suppression is challenging.
If you know watt-hours (Wh) and milliamp-hours (mAh), jump to the flowchart below for a quick reference.
Power banks are permitted on flights under strict international aviation guidelines from bodies like the FAA and IATA, but capacity matters.
Pack power banks only in carry-on luggage—never checked bags. Even compliant ones may draw scrutiny at security if they exceed typical sizes. Most fall under the 100Wh limit, but confirm yours does.
Capacity is often in mAh, not Wh. Use this conversion:
1. Note mAh (typically 1,000–30,000).
2. Note voltage (usually 3.6V or 3.7V).
3. Divide mAh by 1,000 for amp-hours (Ah).
4. Multiply Ah by voltage for Wh.
Example: A 20,000mAh power bank at 3.6V equals (20,000 / 1,000) × 3.6 = 72Wh.
At 3.6–3.7V, capacities under 28,000mAh are usually safe under 100Wh.
For 100–160Wh (about 28,000–44,000mAh at 3.6V), get airline approval in advance—no standard process, so call ahead. Over 160Wh falls under dangerous goods rules; consumer power banks rarely exceed this.
Quick reference:
Oversized batteries in checked bags or on board aren't guaranteed safe—risks exist. Searches for "battery fire on plane" reveal incidents, mostly contained. A 2010 UPS cargo fire from lithium batteries caused a Dubai crash, prompting stricter rules. An unproven theory links them to MH370. Follow guidelines for everyone's safety.
To fly power-bank free:
With this, enjoy a worry-free flight.
