Catalog > Internet of Things (IOT) Related Products > More Platforms 3.5~7V 0~3A USB LCD Voltage and Current Tester USB LCD Voltage Current Tester 3.5~7V 0~3A Battery Capacity DHG LCD USB BATT VOLT/AMP TESTER USB LCD VOLTAGE CURRENT DETECTOR BATTERY CAPACITY TESTER FOR MOBILE PHONE. 3.5-7VDC 0-3ADC Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This test can be a USB charging current, voltage, discharge capacity, intelligent devices. It can be very easy to find digital device charging problems. Specifications Measuring accuracy : 1%Update Frequency : About 200 msProgram Display : Alternating current voltageVoltage measurement range : 3.5V - 7VCurrent measurement range : 0A - 3AWorking current : 20mAColor : TransparentStorage Temperature : - 10~+ 65°CThe pressure drop of the electric meter : 200mVWeight : 15.4gOverall dimension : 52 x 20 x 15 mm