Check whether your power bank, spare lithium battery, or device battery is allowed on specific airlines. Trippwiz converts mAh to Wh, maps the result to airline policy bands, and shows clear carry-on versus checked baggage guidance.
Convert mAh to Wh, compare the result with airline battery rules, and get a fast verdict for carry-on and checked baggage.
Airline
Battery type
Wh calculation
20000mAh × 3.7V ÷ 1000 = 74Wh
Most airlines publish lithium battery rules in watt-hours, so Trippwiz converts your mAh entry into Wh before matching the airline policy band.
AirAsia official source
Last updated: Apr 10, 2026
Southeast Asia
AirAsia treats power banks and spare lithium batteries as cabin baggage only items.
Country: Malaysia
Last updated: Apr 10, 2026
Southeast Asia
Scoot follows cabin-only handling for power banks and loose lithium batteries.
Country: Singapore
Last updated: Apr 9, 2026
Southeast Asia
Singapore Airlines uses the usual lithium battery Wh bands, with power banks staying in cabin baggage only.
Country: Singapore
Last updated: Apr 11, 2026
East Asia
Cathay Pacific keeps power banks and spare lithium batteries in carry-on baggage only.
Country: Hong Kong
Last updated: Apr 5, 2026
East Asia
HK Express follows carry-on-only handling for power banks and spare batteries.
Country: Hong Kong
Last updated: Apr 4, 2026
Southeast Asia
Thai Airways keeps loose lithium batteries in carry-on baggage only and applies approval bands above 100Wh.
Country: Thailand
Last updated: Apr 8, 2026
Southeast Asia
VietJet keeps power banks and loose lithium batteries in carry-on baggage only.
Country: Vietnam
Last updated: Apr 2, 2026
Southeast Asia
Cebu Pacific generally keeps power banks and spare batteries in the cabin only.
Country: Philippines
Last updated: Apr 3, 2026
Southeast Asia
Malaysia Airlines generally allows smaller lithium batteries in the cabin, with approval for certain larger units.
Country: Malaysia
Last updated: Apr 7, 2026
East Asia
Japan Airlines follows the usual lithium battery Wh thresholds and keeps power banks in the cabin.
Country: Japan
Last updated: Apr 6, 2026
East Asia
ANA uses the standard lithium battery thresholds, with power banks treated as carry-on only.
Country: Japan
Last updated: Apr 6, 2026
South Asia
IndiGo treats power banks and loose lithium batteries as cabin baggage only items.
Country: India
Last updated: Apr 12, 2026
South Asia
Air India generally keeps power banks and spare lithium batteries in carry-on baggage only.
Country: India
Last updated: Apr 12, 2026
Quick answers to the most common airline power bank and battery packing questions.
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