2-Pack USB Voltage Current Tester - LCD Power Bank Capacity Meter With Real-time Monitoring KWS-V20

About This Product

Tech geeks and power bank users, this dual-pack USB tester is seriously handy for knowing exactly what's happening with your devices! The KWS-V20 model displays voltage, current, power, and capacity in real-time on a clear LCD screen, so you can see precisely how much juice your power banks are actually delivering. With ±1% accuracy, 4-20V voltage range, and 0-3A current monitoring, this little gadget gives you professional-level insights into your USB devices. The resolution is impressive too - 0.01V for voltage and 0.01A for current means you can spot even small variations. It's compact at just 59mm long (73mm including USB connectors) and weighs only 20g, so it's easy to carry in your tech bag or pocket. Having two in the pack means you can leave one with your frequently used power bank and have another for testing different devices. Perfect for checking if your chargers are working properly, measuring actual power bank capacity, optimizing charging setups, or just satisfying your curiosity about your gadgets' power consumption. The display automatically updates so you can watch charging progress in real-time. Whether you're a serious tech enthusiast, someone who relies on multiple power banks, or just want to make sure you're getting what you pay for from your charging equipment, this tester delivers valuable data in a simple, affordable package.