USB Current Voltage Charging Detector Multifunctional Battery Voltmeter Ammeter Capacity Tester with Dual USB Ports LED Display for Phone Laptop

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Product description

  • Detect USB charger output voltage and current are standard suitable for factories, Laboratory and users.
  • Small size , no power , and other ancillary equipment, plug and play.
  • Compact and easy to carry , no additional power supply.

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