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: May 24, 2026
Southeast Asia
AirAsia allows a maximum of 2 power banks per passenger, cabin-only, with each unit up to 100Wh.
Country: Malaysia
Last updated: May 24, 2026
Southeast Asia
Scoot follows cabin-only handling for power banks and loose lithium batteries.
Country: Singapore
Last updated: May 24, 2026
Southeast Asia
Singapore Airlines uses the usual lithium battery Wh bands, with power banks staying in cabin baggage only.
Country: Singapore
Last updated: May 24, 2026
East Asia
Cathay Pacific keeps power banks and spare lithium batteries in carry-on baggage only.
Country: Hong Kong
Last updated: May 24, 2026
East Asia
HK Express requires power banks in cabin baggage, limits quantity, and prohibits in-flight use/charging.
Country: Hong Kong
Last updated: May 24, 2026
Southeast Asia
Thai Airways keeps loose lithium batteries in carry-on baggage only and applies approval bands above 100Wh.
Country: Thailand
Last updated: May 24, 2026
Southeast Asia
VietJet keeps power banks and loose lithium batteries in carry-on baggage only.
Country: Vietnam
Last updated: May 24, 2026
Southeast Asia
Cebu Pacific generally keeps power banks and spare batteries in the cabin only.
Country: Philippines
Last updated: May 24, 2026
Southeast Asia
Malaysia Airlines permits a maximum of 2 carry-on power banks, with in-flight use/charging prohibited.
Country: Malaysia
Last updated: May 24, 2026
East Asia
JAL permits up to 2 power banks per passenger (each up to 160Wh), cabin-only, with onboard use/charging prohibited.
Country: Japan
Last updated: May 24, 2026
East Asia
ANA published updated power bank handling guidance effective April 24, 2026 with stricter onboard safety handling.
Country: Japan
Last updated: May 24, 2026
South Asia
IndiGo treats power banks and loose lithium batteries as cabin baggage only items.
Country: India
Last updated: May 24, 2026
South Asia
Air India generally keeps power banks and spare lithium batteries in carry-on baggage only.
Country: India
Last updated: May 24, 2026
Compare competitive airline pairs and discover which airlines are typically easier for 20000mAh power banks.
Quick answers to the most common airline power bank and battery packing questions.
© 2026 Trippwiz. All rights reserved.