5,000 mAh Power Bank on a Plane: Watt-Hour & Flight Rules
Calculated Rating
18.5 Wh
Based on 5,000 mAh at 3.7 V
🔋 Battery watt-hour calculator
Power banks show mAh, airlines limit Wh. Under 100 Wh flies free in carry-on; 100–160 Wh needs airline approval.
Aviation Authority Verdict & Legal Citation
A 5,000 mAh lithium-ion battery operates at 3.7 V nominal cell voltage, yielding 18.5 Watt-hours (Wh). This is well beneath the FAA/TSA 100 Wh threshold. It is permitted in carry-on baggage on all airlines worldwide without prior approval. It is strictly prohibited in checked luggage.
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Frequently Asked Questions
How many 5,000 mAh power banks can I bring on a plane?
TSA and FAA allow passengers to bring multiple sub-100 Wh power banks for personal use in carry-on bags. Most airlines permit 2 to 4 units per passenger without special clearance.
Can a 5,000 mAh battery go in checked luggage?
No. Loose lithium power banks of any capacity are strictly banned from checked luggage due to cargo hold fire hazard rules.