-The xiaomi redmi powerbank has two usb-a output ports (18w maximum power, up to 5,1v-3,6a output) and micro usb + usb-c inputs (for fast charging of the redmi powerbank with a common android usb cable).
-Powerbank is protected by 9 levels of protection, to be sure that no accident will occur due to overload, short circuit, high temperature, etc.
-If you use your smartphone intensively, while you are on the move, it makes sense that it needs frequent charging. In this case you will need an easy to use and reliable powerbank.
-Finally, the xiaomi redmi powerbank supports low power charging for mi bt and mi band headphones