T81 with Switch USB Charging 2A/1A Discharge Aging Resistance Current Detection Instrument
This module can be connected to a USB port to act as a load.
With a switch you can switch between 1A and 2A load.
There is an LED indication to indicate the position: Red: 2A ; Green: 1A
Note: The module can become hot with long use. Be careful when removing the USB module.