⚡ Battery Watt-Hour Calculator Preset
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
✓ Carry-On Permitted — Unrestricted
🔋 锂电池瓦时 (Wh) 计算器
大多数充电宝标注毫安时 (mAh)，但航空公司严格按瓦时 (Wh) 限制。100 Wh 以下可自由随身携带；100 至 160 Wh 需航司批准方可随身携带。
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.
Governing Standard: FAA PackSafe & IATA DGR Table 2.3.A FAA Lithium Battery Regulations (49 CFR 175.10(a)(18)) ↗
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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.