The maximum power rating for the input port is 5V 2.1A while the output port has a rating of 5.1V 2.4A. There is no support for 18W fast charging input or output.The power bank measures 150.5 x 73.6 x 15.1mm, has nine different protection including low voltage and a reset function. It can also charg..
It has a Li-ion polymer battery and several protection features.The Redmi Power Bank 20000mAh is near twice the thickness of the 10000mAh version at 27.3mm.the length and width are the same.It has the same number of input and output ports but supports 5V 2A, 9V 2.1A, and 12V 1.5A input charging. It ..