USB Charger Current Voltage Meter Tester, Power Meter Detector, Battery Capacity Tester, for Test Charging Power, Voltage and Current, and Power Bank Capacity, etc.

Memory function: The working time and Capacity have Memory function when power off.

Reset: Press and hold the RESET button for 3 seconds to reset.This is the mini USB meter.

It can measure voltage, current, power and capacity.

It can clearly display all the data.Can easily measure the USB (PC USB, cell phone charger, car charger, mobile power, etc.) 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 and Easy to use, easy to take alone, no additional power supply, plug and play.

Input:USB.RTZ reset button: press it three seconds will reset.

Voltage: 3V-9V ( 1% accuracy ).

Current: 0-3A (1% accuracy).

Battery Capacity (0-99999mah).

Working time (0-99Hour).The working time and Capacity have Memory function when power off.

Color: Transparent blue.

Quantity:1 Pcs.

Net Weight: 20g.