3pcs USB Voltage /Amps Power Meter Tester Multimeter with LCD Display, Test Speed of Chargers, Cables, Capacity of Power Banks

Features

• Universal USB Voltage Meter: This versatile tool can be effortlessly connected to your charging adapter or directly to the charging cable plug, making it easy to identify and troubleshoot charging issues with your digital devices.
• Intelligent Data Monitoring: This multifunctional tester features intelligent memory for charging capacity data, monitoring, and storing up to 10 sets of measurement data. With a simple button press, you can clear the data, ensuring self-protection and data retention.
• Alarm for Voltage Deviations: High or low voltage conditions trigger an alarm, indicated by arrows on the LCD screen and flashing LED backlight alerts. The LED screen lights up for 30 seconds when the button is pressed.
• High Accuracy and Wide Range: Enjoy precise measurements with an accuracy of plus or minus 1%. Supports input voltage from 3V to 15V and current from 0.05A to 3.50A with a resolution of 0.01V and 0.01A, respectively. The capacity range extends from 0 to 19999mAh.
• Enhance Charging Efficiency: Optimize charging efficiency and safeguard your electronic equipment. Perfect for measuring the operating current, voltage, and battery capacity of tablets, cell phones, rechargeable batteries, 5V routers, and any other USB digital devices operating at 5V. inbox 3 USB Voltage/Amps Power Meters (USB White).