Using this deveice you can come to know how much Ampere the Power Bank / Charger gives. you can know the fake and orignal power bank or charger rating.
Measuring accuracy: 1%
Refresh speed: about 200ms time
Display mode: Current and voltage are displayed alternately
Voltage measurement range: 3.5V-7V
Current measurement range: 0A-3A
Operating current: 20mA
Storage temperature: -10 ° C to + 65 ° C
Meter drop: 200mV
Size: 52 * 20 * 15mm
This product can measure the USB power supply equipment empty, the load voltage, the work voltage and current of USB terminal equipment
This product uses the original import of single-chip sampling and display voltage, and there is a lot of data processed in the software, so that display is accurate and stable.
This product is ultra-small size.
This product current, voltage cycle display, easy to use and practical.
This product is small and easy to carry, there is no need another power supply.
1 X USB Charger Doctor