Power Bank Rules for Flights in India 2026: The mAh-to-Wh Math Nobody Explains
Here’s the actual problem most people have with power bank flight rules: the rule is written in watt-hours (Wh), but every power bank on the market is labeled in milliamp-hours (mAh). Nobody prints “37Wh” on the box in big letters — they print “20000mAh,” and most people have genuinely no idea what that converts to. So they either guess wrong, get stopped at security, or don’t fly with a power bank at all out of caution they didn’t need.
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