This module is a portable mobile power supply that supports 3V / 1A and 5V / 2.2A two voltage outputs.
5V output rated current is 2.2A, maximum support 3A current (3A not recommended for prolonged use), the output of current depends on the quality of the 18650 battery!
USB output port as well as multiple 3V and 5V pins. Has both USB-C and Micro USB input ports available. 4 LEDs on the back can show the estimated battery level.
Battery Module, does not include batteries.
Please MAKE SURE you insert the battery correctly with the positive and negative sides.
Putting the battery in the wrong way can cause damage!