evhooe USB Tester

1. USB tester, can be used to measure battery voltage, current, discharge capacity, etc. 2. Equipped with a backlit LCD screen, it can display voltage, current and battery capacity data at the same time, making it easy to view. 3.It can be used to test the charging voltage and current of electrical products such as mobile phones, tablets, mobile power supplies, etc. 4. It supports multiple sets of detection data storage, power-off storage function, and can detect the battery output capacity of the mobile power supply. 5. Connect the detector male USB connector to a 5V USB charger and the female connector to devices such as mobile phones, tablets, mobile power supplies, etc. to read the voltage and current parameters directly. 6. Test the output voltage and current of the power supply and mobile power supply (must match the charging device). Connect the detector's USB male to a 5V USB charger and connect the bus to a USB charging device to read the voltage directly. Specification: Condition: New Item Type: USB Tester Material: ABS Color: black, (optional) Input voltage: 4-30V Voltage Resolution: 0.01V Test current: 0.05A-3.50A Current Resolution: 0.01A Capacity Range: 0-19999mAH Accuracy: plus or minus 1% Charging consumption: 0.1Ω Test content: battery voltage, current, discharge capacity (10 sets of data in total) How to use: 1. Voltage and current measurement: connect the USB male head to a 5V charger, connect the female connector to your