KWS-V21 20V 3A USB Detector with Auto-Save Feature

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Price in points: 5 points
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Quantity 5+ 10+ 20+
Price £3.63 £3.52 £3.26
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KWS-V21 20V 3A USB Detector with Auto-Save Feature

Key Highlights: Compact, dual‑display USB tester that measures voltage (4‑20 V), current (0‑3 A), power and battery capacity for phones and power banks.

Features:
  • Miniature USB meter capable of measuring voltage, current, power and capacity
  • Simultaneous voltage and current display for easy reading
  • Compatible with a wide range of power‑supply outputs
  • Durable construction with safety protection
  • Small, lightweight and portable
  • Calculates capacity and efficiency of mobile phone battery power banks
  • Voltage range: 4‑20 V
  • Current range: 0‑3 A
Parameters:
  • Power: 15 (W)
  • Power supply voltage: 4-30 (V)
  • Measurement range: 0-3 (A)
  • Resolution: Voltage is 10mV, current is 10mA.
  • Error range: voltage<± 1%, current<± 2%.
  • Full scale voltage drop: 200mV.
  • Operating temperature: 0-60 ℃.
Package include:
  • 1 x USB current Voltmeter 

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