quality power bank:How to easily identify quality power bank

quality power bank：How to easy identify quality power bank

Now that everyone's mobile phone usage is high, there is a problem that has to be faced. When you go out, what kind of power bank is good?

 

Today, I will give you an analysis and summary report. The next time we buy a power bank, I can easily find a quality power bank by directly looking at these standards.

 

1. The soul of power bank: battery

   At present, there are two main types of power bank batteries on the market: 18650 batteries and lithium polymer batteries.

   18650 batteries:

   Advantages-low cost and durability

   Disadvantages- cumbersome

 

   lithium polymer batteries:

   Advantages - compact and light portable

   Disadvantages - short life and high cost

 

2. The conversion rate determines whether its quality is good or bad.

   The conversion rate of the power bank is also a reference data for evaluating the quality of the power bank.A power bank with a very low conversion rate will cause your power bank to charge the phone once and lose power.

   Most of the charging products on the market have conversion rates between 75% and 85%.Therefore, when choosing a power bank, you should purchase a higher conversion rate.

 

3. Certification chart on the power bank

   We often see various authentication icons on the power bank, but most of them don't understand. Here is a brief introduction.

 

CE certification:It is a safety certification mark and is considered a passport opened by the manufacturer and entering the European market.

 

FCC certification:Full name of the US Federal Communications Commission. If such products are to be exported to the United States, they must be tested and approved by the government-authorized laboratory in accordance with FCC technical standards.

 

UL certification:The abbreviation of the Underwriters Laboratories is one of the world's largest private organizations for safety testing and identification.It is a symbol of safety signs and contains a relatively high amount of gold. This mark must be available for products that are exported from the United States or enter the US market.

 

3C certification:Fully known as the compulsory product certification system, it is a product conformity assessment system implemented by the Chinese government to protect consumers' personal safety and national security, strengthen product quality management, and implement laws and regulations. It is the most basic safety certification.