KWS-V21 USB Detector – Voltmeter & Ammeter Power Capacity Tester for Mobile Voltage & Current Measurement
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Product details
Description
KWS-V21 USB Detector Voltmeter Ammeter Power Capacity Tester Meter Voltage Current Mobile Power
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:
- 100 % brand new and high quality
- 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
Package Included:
1 × Power Capacity Tester
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