QooPow™ qualMeter is a revolutionary, smart and cost-efficient DIY device, which can simply help you to diagnostic and get to know the quality of your USB cables and chargers in a glance without any technical background.

qualMeter helps to address some common issues with USB cables and chargers, such as slow charging, cable/charger gets hot, shorted cables, slow data transferring and so on. It also prevents you from unsafe charging by detecting defective cables and chargers.

QooPow™ qualMeter is suitable for wide range of mainstream cables including Micro, Mini USB, 8-pin, 30-pin, and Type C and is compatible with most of major 5v USB chargers.

qualMeter Basic is fully designed for non-tech people who have not much knowledge about electrical stuff.

What are the differences between qualMeter Basic and qualMeter X? 

1 x qualMeter Basic

qualMeter Manual

Technical details