Here’s where life gets exciting. You can bring power banks up to 27,000 mAh (that’s about 100 Wh) in your carry-on—no need to beg for forgiveness. You can also carry spare AA, AAA, and button-cell batteries in their original packaging or taped over the terminals.
2026 Rules for Carrying Lithium Batteries on Planes – JMBatteries
And get this: laptops, tablets, and cameras with built-in batteries are always welcome in your personal bag. So yes, you can binge-watch your favorite show or edit photos mid-flight. Just remember to turn on Airplane Mode—that’s a different rule for a different day.
What About Checked Luggage? (Spoiler: It’s Tricky)
Checked bags have a strict “no party” policy for spare lithium batteries. You cannot pack loose power banks or extra laptop batteries in your suitcase below. But devices installed in equipment—like a cordless drill or a medical device? Those are usually fine.
Always, always check with your airline if you’re carrying something unusual, like a hoverboard or a giant portable speaker. Airlines have different rules for big toys, so don’t assume anything—ask first, avoid the drama later.
