What does '10000mAh' mean in terms of battery capacity?

10000mAh stands for 10,000 milliampere-hours, a unit measuring the electrical charge capacity of a battery, indicating how much current it can supply over a specific time.

How many times can a 10000mAh power bank typically charge a smartphone?

A 10000mAh power bank can usually charge an average smartphone (with a 3000-4000mAh battery) between 1.5 to 2.5 times, accounting for efficiency losses during charging.

Are 10000mAh power banks safe to carry on airplanes?

Yes, 10000mAh power banks are generally safe for air travel and must be carried in your carry-on luggage, not checked baggage, as they typically fall within airline watt-hour limits.

What types of devices can a 10000mAh battery or power bank charge?

It can charge a wide range of USB-powered devices, including smartphones, tablets, smartwatches, wireless earbuds, small cameras, and portable speakers.