How to choose a high-quality power bank?

How to choose a high-quality power bank? With the increasing demand for power banks and power banks, the safety and quality of these products are getting more and more attention. In addition to using mobile power and power banks to ensure correct charging and placement, the selection of high-quality products is also more intensive. We know that the quality of mobile power supply is so concerned. It is important because the built-in core contains greater power, and its rupture will cause serious damage. Therefore, customers also want to buy high-quality products when buying mobile power and charging time, easy to use and Peace of mind. At present, high-quality mobile power supplies will use high-quality metal casings, use polymer batteries, and cooperate with multi-channel protection planning, fully considering the safety and convenience of customers. However, due to cost reasons, the price of this product is much higher than the general mobile power charging treasure, so the high-end market is more popular. How to buy high-quality mobile power and power bank, but also pay attention to three aspects: 1. Mobile power must have a good battery. There are two types of mobile power batteries, one is a polymer battery, and the other is an ordinary lithium battery. The two media are very different in shape and structure. The advantage of the lithium battery is low price, but the disadvantage is that the system is large, heavy, and has a short service life. It may cause an explosion, which is very fatal. Polymer batteries are safe, non-explosive, and light in weight. They are used in high-end digital devices. The disadvantage is that they are relatively expensive. High-quality mobile power supplies often use high-quality national standard polymer cores, which can maintain the stability and safety of the product under harsh external conditions such as high temperature and knock, and fundamentally ensure the safety of users. How to choose a high-quality mobile power supply? How to choose a high-quality mobile power supply? 2. The circuit board of the mobile power supply should be able to provide high conversion rate and comprehensive protection of the circuit board. There are several important functions. Automatically control over-charge and over-discharge to prevent battery damage. For example, if the power supply of a mobile phone is full, it will automatically shut down and charge, which is actually the same as the protection of a mobile phone's charger. In addition, the circuit board has another important function, which is the conversion rate. For example, the nominal 5000mAh battery charges the user's device, which is not a 100% conversion. Your mobile phone battery is 1500mAh. Use a 5000mAh mobile power supply to charge it. In theory, it can be charged more than three times, but it may not be fully charged in practice. This is because the battery and the objects in the charging process have resistance, and the resistance consumes part of the battery. Therefore, the circuit board plays this role, reducing internal resistance as much as possible, optimizing IC circuit planning, and improving functions. The better the quality of the mobile power supply, the more professional intelligent circuit will be selected, which can provide a conversion rate of more than 90%, and fine-tune the output according to the characteristics of different charging equipment to achieve higher power utilization and protection of the charging equipment. In actual use, whether it is over current, over voltage, overload, or accidental short circuit, the power can be cut off immediately and enter the protection state to ensure the safety of users. How to choose a high-quality power bank? How to choose a high-quality power bank? 3. The power bank shell should be sturdy and able to fully protect the internal structure. The important purpose of the power bank shell is to protect the internal circuit, heat dissipation and aesthetic planning. Nowadays, the cheaper mobile power supply has a plastic shell, and its protection and cooling functions are common. Higher-end mobile power supplies use a metal shell, which not only provides high-strength protection, but also provides better heat dissipation, and the appearance of the handle is much better than the plastic shell. Disclaimer: Some pictures and content of articles published on this site are from the Internet, if there is any infringement, please contact to delete. Previous: Comparison of several commonly used battery performance