USB Tester 4-20V DC Voltmeter ammeter current voltage power meter capacity monitor charger Power Bank detector

USB Tester 4-20V DC Voltmeter ammeter current voltage power meter capacity monitor charger Power Bank detector, can measure empty USB powered devices, easy to use and convenient.

SKU: SLY4085 Category:

Product Description

Product description:

  • Electric voltage: 4V-20V, ± 1%
  • Current: 0-3A, ± 1%
  • Time: 0-99H
  • Battery capacity: 0-99999mAh
  • Size: approx. 7.2cm x 2.2cm x 1.1cm / 2.83 “x 0.87” x 0.43 “

Characteristics:

  • It can measure empty USB powered devices, easy to use and convenient.
  • Compact and easy to carry, no extra power, plug and play.
  • It can easily measure the output voltage of the USB port and the current operating device or charging voltage.
  • Detect any USB charger such as Bessie USB, home charger, car charger.
  • Wide range of applications, no phone, no electronic product.
  • Suitable for factories, laboratories and personal use.

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