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2025/06/09

Power Banks You Can Take on a Plane: TSA and Airline Rules Explained

For modern travelers, knowing how to carry power banks on flights properly is essential. Many of us rely on power banks during trips to keep devices charged for work, streaming, navigation, etc.Can you bring a power bank on a plane? Yes—but with rules. This blog analyzes TSA and U.S. airline regulations for power banks, and offers carry-on recommendations for travelers in or departing from the U.S., ensuring hassle-free journeys.

2025/04/30

How to determine the degree of wear and tear of a mobile phone battery?

Check Battery Health: Many smartphones have built-in battery health monitoring functions. For example, Apple phones can check the battery's maximum capacity in "Settings"-"Battery"-"Battery Health". This value visually reflects the battery's wear and tear; 100% indicates a brand-new battery, and lower values indicate greater battery wear. Android phones from brands like Huawei and Xiaomi also have similar functions, generally found in battery-related options within the settings or in applications like phone managers.

2025/04/30

What is the working principle of a lithium battery?

A lithium-ion battery is a type of battery that uses lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. Its working principle is mainly based on the intercalation and deintercalation process of lithium ions between the positive and negative electrodes.

2025/04/30

A mobile phone battery is an energy storage device that provides power to the mobile phone.

Battery capacity is usually measured in milliampere-hours (mAh). The larger the battery capacity, the longer the phone can be used on a single charge. For example, a phone with a 4000mAh battery will theoretically last longer than a phone with a 3000mAh battery under the same usage conditions. However, actual battery life is also affected by many factors, such as the phone's processor performance, screen resolution, and application usage.

2025/04/30

Can Apple devices only use original batteries?

Apple device batteries are not limited to original ones, but using original batteries has many advantages.

2025/04/30

Incompatibility between the device and battery may cause various damages to the device, including but not limited to:

The device and battery are incompatible and may cause a variety of damage to the device, including: hardware damage, performance degradation, software malfunctions, and data loss risks.

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