QooPow™ qualMeter is very simple and straightforward. It clearly displays the status of your cable/charger through color indications. With it around, you are able to distinguish the cable and charger condition with simplicity.
Step 1: Simply connect the cable you are willing to test into corresponding ports as following diagram.
Step 2: Insert the USB part of the cable into the USB port of the qualMeter
Step 3: Insert your qualMeter into a power source. Please ensure this power source does not output higher than 5V as it could damage your qualMeter.