CGI Engineering - USB Testing Lightning & Micro (Voltage & Amp)
Displays both voltage and amp
Micro USB Output with Lightning Adapter that is secured properly and resist breakage due to the protective design.
Test USB ports of your PC, Chargers or Power Banks to see if its safe for use to charge your expensive devices.
Tests and monitors the output of your usb ports for voltage and Amperage to prevent overcharging.
Also acts as an indicator to check if there is any current flow.
Amperage Range: 0-3A