A portable power bank can provide enough power for multiple uses, such as charging cell phones, laptops and other electronic products. This is especially important for people who travel frequently or work in remote areas. The battery can also be used to charge other devices, such as remote controls and cameras. The battery also has the function of saving power, so that electronic devices can be powered even if the power is low. This can save the trouble of finding power outlets or buying batteries. The battery also has a variety of interfaces, such as Type-A, Type-C, Lightning, etc., to meet the needs of various devices. The interface also supports fast charging, which can greatly improve the charging speed. The battery also has a variety of capacities, generally between 3000-15000mah, which can provide different charging power for different electronic devices. The battery also has a variety of colors, styles and designs, so that you can choose the most suitable one according to your preferences. In short, a portable battery is a very practical and necessary electronic product. It can provide enough power for multiple uses, save power, and support fast charging. With a variety of interfaces and capacities, you can choose the most suitable one according to your preferences and needs. What are the types of Xiaomi power banks? 1. USB power bank: A portable power bank that can be charged by a USB port, and also has a USB interface to charge other electronic products. 2. Wireless power bank: A portable power bank that can use wireless charging to charge other electronic products, which is convenient and easy to use. 3. Solar power bank: A portable power bank that uses solar power to charge other electronic products, which is environmentally friendly and saves energy. 4. Smart power bank: A portable power bank that has various functions such as battery level, charging time and other information display, and can be connected to the mobile phone for operation. What should you pay attention to when using Xiaomi power bank? 1. Before using the portable battery, you should check whether the battery is charged. If not, please charge it in time before use. 2. The charging voltage and charging current of the battery should be selected according to the specifications of the device being charged. 3. Do not charge the power bank in a high-temperature environment. The working temperature of the power bank should be maintained between 0~45℃. 4. Do not disassemble the power bank by yourself, which may cause the power bank to short circuit and cause a safety hazard. 5. When using the portable battery, be sure to pay attention to safety, do not touch the battery during use, do not expose it to water, and do not place it near high-temperature environments. 6. In addition, the power bank should be used reasonably, do not overcharge or over-discharge, so as not to damage the life of the power bank. 7. When using the portable power bank, you should also pay attention to the usage time, do not use it for too long, and do not use it for a long time after charging is complete to prevent damage to the battery. 8. You should use the power bank reasonably and properly, so as to extend the service life of the power bank. 9. When you encounter a situation where the power bank does not charge, the first thing to do is to check whether the power source is normal. 10. Do not use the power bank on the phone screen. Why choose AliExpress this platform to buy The price of goods on the AliExpress platform is very affordable, so-called high quality and low price. And we offer free shipping with short delivery times, so you don't have to wait a long time to receive your purchases. At the same time, the platform is easy and convenient to operate, and you can experience a very comfortable shopping experience on AliExpress. See more details about xiaomi power bank in AliExpress Video Page.