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Measure voltage of a USB port, current/amperage of a USB device, or capacity of a USB battery pack with this all-in-one USB power meter.
Measure voltage, current, and power capacity of a USB device with this USB power meter.
The USB Charger Doctor measures the amps/current and voltage as you power or charge a USB device. Allowing you a real-time look at throughput and charging speed and/or power consumption.
