As one of the most popular digital products of the moment, portable power banks, safety and parameters are the most concerned issues of many consumers. And the battery is one of the most important components of mobile power, so which portable power banks is good, we will analyze this today.

    No matter what brand of portable power banks, their batteries are only divided into two types, the first type is 18650 batteries, and the second type is polymer lithium ion batteries.

     The 18650 battery cell is just like the AA battery, except that it is slightly larger than the AA battery. Some large imported factories have been producing for many years, so the quality is very high and the safety is very strong. The big domestic brands are generally cost-effective, but the quality is slightly weaker than the imported ones.

     Except for the 18650 batteries, the rest are polymer lithium-ion batteries, which are divided into A product, B product, and C product from good to bad. They are like imported domestic versions of 18650 batteries, and it is better to buy big brands.

     The electrical properties of polymer lithium ion are relatively not easy to explode. When purchasing, consumers must ask whether the polymer lithium ion battery belongs to product A or product C. In order to avoid bad situations, we must buy batteries from major manufacturers as much as possible, and it is guaranteed.

     Don’t choose cheap mobile batteries just because you save more than ten dollars or a few dollars. Choosing a good telecommunications is for us to be safer in our daily life and use, so whether you choose 18650 batteries or For polymer lithium-ion batteries, the brand must be put first, because they are guaranteed. At the same time, when choosing a power bank, you must keep your eyes open and avoid buying some fake and inferior power banks!