YOTINO USB Power Current Voltage Meter r

◆Measuring voltage and current:
USB adapter plug 5V r, plug connected the phone and other devices, read the voltage and current parameters directly

◆Test MicroUSB cable quality:
Plug the phone and other equipment plug, first with 5V USB adapter plug r, remember the voltage, and then use the MicroUSB cable plug connected the 5V r plug, and remember the voltage, the smaller the voltage difference MicroUSB line quality better

◆Test battery capacity:
Use TP4056 and other linear charging circuit to charge a empty battery fully through this capacity meter, the r readings is the capacity of the battery, can also measure cell phone charging capacity, cell phone charging efficiency can even be calculated.

◆Data clear:
Hold down the button until (group of data) into the next group release button, automatically jump to the next set of data from scratch.

◆Data view:
Quick double-click the button (within 0.5S) to enter the view data mode, the backlight LED will blink, and then press button to display the next set of data, double-click the button to exit the data view mode, the backlight LED long bright.

Specification:
Input voltage (DCV): 3V-15V
Load current(DCA): 0.05A-3.5A
Monitor charge capacity: 0-19999mAh
Accuracy: ±1%
Memory: 10set

Pakage included:
1 x USB USB Power Current Voltage r
1 x User Manual