| USB meter is mainly used to detect USB charging current, voltage, discharge capacity, quantity of electric charge, power, timing and so on. Meanwhile multi-meter USB detector can be applied to the power capacity storage and over/low voltage-current protection. It allows you to find the charging problem of the USB cables, wall chargers, and car charges more easily. Features: USB Meter Tester is mainly used to detect USB charging current, voltage, discharge capacity, quantity of electric charge, power, timing and so on. Can also be applied to the power capacity storage and over/low voltage-current protection. It allows you to find the charging problem of the USB cables, wall chargers, and car … | |