Features: Great voltage current meter: Nice product to verify your chargers are working as specified. With it you know how many amps your device is pulling, and what the Voltage is. This is the best little USB volt meter. If you are wondering how long your battery will power a device or if you are using other devices such as Rasberry Pi and need to what the current draw is , this is the tool for you. Great Voltage and Current Monitor: It work great for general checking out of USB connected equipment. It is a small multimeter to show how much voltage/current was being applied across your various USB cables to charge your multitudinous battery operated USB devices. It measures voltage and amperage which are shown on a large and fairly bright LED display alternating between voltage and amperage every few seconds. It is a must have for portable solar panel owners. This tester will help you evaluate the efficiencies of your charging sources, which will help you see if your charger or port is putting out the correct voltage or amperage. Also see the amperage drop as the device reaches full charge. Great inline Volt/Amp meter for your USB charging applications.
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