At present, there are many brands of ultra-thin charging banks on the market, but to choose a good one, you need to consider many factors. First of all, we must look at the capacity, to choose the size of their own capacity, followed by the charging speed and charging efficiency, fast charging function is also very important. In addition, it is necessary to choose products with multiple protection functions, such as overcharge protection, overdischarge protection, short circuit protection, etc. Recommend several more excellent ultra-thin charging bank, such as Xiaomi ultra-thin mobile power supply, Huawei super fast charge mobile power supply.