Real-Time Voltage & Current Monitoring: The KWSV20 LCD USB meter provides live amp and volt readings, allowing accurate testing of USB-powered devices such as smartphones, power banks, solar chargers, and USB adapters.
Built-In Memory Function: Equipped with a memory feature that retains working time and capacity data even after power is disconnected, making it easy to track charging performance without losing test results.
High Measurement Accuracy: This meter delivers high-precision measurements with ±1% accuracy for reliable and consistent results. It suitable for testing car chargers, tablets, computers, and USB power supplies.
Easy Reset for Fast Re-Testing: A convenient reset function lets you clear stored data by holding the RESET button for 3 seconds, enabling quick setup for new tests and improving overall usability.
Versatile USB Power Tester: Supports 39V voltage and 03A current measurement, the KWSV20 is a dependable tool for engineers, technicians, and DIY users who need precise USB power diagnostics.
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Overview
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KWS-V20 LCD USB Voltage Meter Charger Capacity Tester Meter 3-9V 0-3A Power Bank Tester Meter Current Voltage Doctor
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First Listed on Newegg
August 07, 2026
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Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.