USB TESTER QC3.0 OLED 128x64 CURRENT VOLTAGE POWER CAPACITY MONITOR QUICK CHARGER USB TESTER PHONE POWER BANK DETECTOR VOLTMETER COULOMETER LOW VOLTAGE 3-30V

Voltage, current, capacity, Electrical voltage, power, timing and other data, a screen display, Take-all measure! It can clearly display all the data. Can easily measure the USB port and device operating current and the output voltage charge-discharge capacity, performance, and judge the performance of the charging cable charging equipment This tester can meet the requirements! Fit to factories, laboratories and personal use wide range,Easy to use, easy to take alone, no additional power supply
Specification: 1. Model: J7-4T/J7-T 2. Material: Plastic 3. Color: Black 4. Voltage: 3.0000-30.000V 5. Current: 0-5.1000A 6. Operating temperature: -10 - 60°C 7. Size: 65 x 24 x 14mm Description: This test can be a USB charging current, voltage, discharge capacity,Quantity of electric charge,power, timing, intelligent devices. It can be very easy to find digital device charging problem. Tester three dimensional size 65 * 24 * 14mm The only button on the tester is used to view and test data switch, The tester can be powered down to save dat Note: This data is mobile power discharge capacity, the battery capacity is not, according to our experience, the discharge capacity is about 1.9 times the battery capacity. The former Test Reference Manual Tester discharge capacity value is cleared,and the mobile power is fully charged. Package include 1 x OLED USB Voltage Current Detector Mobile Power USB Charger Tester Meter