Portable power bank, also called "external battery", "external battery", "backup battery", "digital charging partner", the concept of mobile power is developed with the popularity and rapid growth of digital products, and its definition is convenience Easy to carry large capacity portable power supply. The functions of digital products are becoming more and more diversified and they are used more frequently. How to improve the use time of digital products and maximize their functions becomes more important. Mobile power is the best solution to solve this problem. With a power supply, you can provide electrical energy (power supply or charging) for a variety of digital products anytime and anywhere in the mobile state.

The size of the mobile power supply varies from 2000 to 20000mAH, generally more than 18000mAH can power the notebook computer, generally called the universal mobile power supply. Those with a capacity of less than 10,000, generally smaller in size, are called portable power banks, which are mainly used to charge digital products.

The mobility of the portable power bank means that the product can perform its function in a mobile state (such as traveling, meeting, when the charger is not around or charging is inconvenient), that is, it can be used anywhere (anywhere), anytime (any time). The limited power or charging of digital products gives people a sense of practicality and improves the quality of life and work. Especially it is very convenient to charge mobile phones.

Portable power banks are usually designed to be light, small, and easy to carry to facilitate mobile use, and some also have a video stand. After the charger has fully charged the mobile power supply (usually designed to be fully charged for 3-5 hours), connect your digital device with a suitable connector or directly use the USB cable to charge.