Multibao USB Tester Voltmeter Ammeter Digital LCD Voltage Monitor Current Meter Capacity Tester with Backlight

• Ideal for testing how fast a USB cable or USB power adapter charger is charging.
• Store charging data in memory, Flashing warning of low or high voltage problems.
• Displays current (ampere)voltage and capacity (19,999 mA.).
• Check the use of USB charger, battery pack or Micro USB cable.
• Can handle charging speeds up to 3.5 amps (3,500 m) and 3v-7v.

LCD USB Detector Voltmeter Ammeter Charger Capacity Tester Meter Voltage Current Charger 3 - 15V BLACK Simultaneous display of voltage and current and mAh data for easy viewing MAH mobile power output can be detected Save multiple sets of test data, power-down save feature Does not affect the data transmission Higher accuracy, the current parameters of the basic will not bounce USB and Micro USB port double take power, can detect Micro USB line quality Current sampling 25 milliohms, smaller loss With precision current calibration function, current higher accuracy Data calibration feature set: An electronic load device, a constant current source Voltage: 3 - 15V COLOUR : BLACK Portable and easy to carry. It can test current and voltage of phone, mobile power bank etc. With a USB port and micro USB interface, convenient to test devices With LCD screen, easy to see the current and voltage of the devices Press the small circle button and the data will be zero, then you can test next data Specification: 1. Input Voltage: 3 - 15V 2. Input Current: 50mA - 3500mA 3. Capacity: 0 - 19999mAh 4. LCD show voltage and current simultaneously 5. Save data each time power off 6. High precise current calibration function 7. High and low voltage alarm Package Included: 1 x Current Voltage Test Meter