USB Power Meter Current Voltage Tester Multimeter USB Charger Current Voltage Capacity Detector for Computer Phone Power Bank

General description The USB Power Meter Current Voltage Tester is a versatile device designed for measuring the current, voltage, and capacity of various USB-powered devices. It features two-way measurement capabilities, allowing it to connect to both charging adapters and charging cables, making it easy to identify charging issues with digital devices. The tester also includes intelligent data storage, capable of retaining up to 10 sets of measurement data, which can be cleared with a single button press. Additionally, it has an intelligent flash alarm system that alerts users to high or low voltage conditions. Technical specifications Input Voltage: 3V-7V Voltage Resolution: 0.01V Test Current: 0.05A-3.50A Current Resolution: 0.01A Power Range: 0-19999mAH Accuracy: ±1% Usage The USB Power Meter is perfect for measuring the charging efficiency and protecting electronic equipment. It is suitable for use with a variety of devices, including: Tablets Mobile phones Rechargeable batteries 5V routers Any other 5V USB digital devices Other information Pressing the LED screen button activates the display for 30 seconds. The device features an LCD screen with a backlight indicator that flashes to signal alarms.