This This USB Charger Tester for Accurate Power Measurement
Experience precise monitoring with this sleek and compact USB charger tester and power detector, available in KWS-V20 and KWS-V21 models. Crafted with a semi-transparent black or dark gray plastic casing, it offers a modern, technical look by revealing internal circuit components through the transparent surface. Its minimalist rectangular design provides an ergonomic grip, making it easy to attach between power sources and devices. Equipped with a clear LCD screen, this device displays voltage, current, battery capacity, and working time, giving you a comprehensive overview of your charging setup. Its small reset button adds functional convenience. Ideal for tech enthusiasts who demand accurate, real-time data, this tester is a must-have for monitoring and troubleshooting USB power sources efficiently in any adult collection or technical environment.
Keys features of the product KWS-V20 and KWS-V21
- Both models measure input/output voltage from 4V to 20V with a 0.01V resolution and ±1% accuracy, providing precise voltage readings for all your charging needs.
- The current measurement ranges from 0 to 3A with 0.01A resolution and ±1% accuracy, allowing detailed monitoring of charging and power flow.
- The KWS-V21 features display windows for voltage, charging current, battery capacity (0-9999mAh), and working time (up to 99 hours), including a memory function for power failures.
- The KWS-V20 model displays voltage, current, working time (up to 99 hours), and capacity up to 99,999mAh, supporting comprehensive power management tasks.
- Both devices connect via USB ports, equipped with a reset button to recalibrate measurements easily, and have a line loss of approximately 0.1 ohms for accurate readings.
- Constructed with durable semi-transparent casing showcasing internal electronics, their design balances visual appeal with high functionality for adult tech enthusiasts.
Get your USB power monitoring device today – enhance your charging setup!
Whether you're a professional technician or an electronics enthusiast, this USB charger tester provides reliable, real-time data essential for optimizing power devices. Its sleek, modern look and precise measurements mean you can monitor your devices with confidence. Imagine effortlessly diagnosing power issues or ensuring your batteries are performing optimally—this device makes it simple. With easy-to-read displays and durable design, integrating this into your toolkit will elevate your work or hobby. Invest now and enjoy accurate, detailed insights into your USB power flow, making every charge efficient and safe. This is your perfect companion for all your electronic testing needs.

















