USB Charger Doctor Battery Capacity, Current Tester


USB Charger Doctor Voltage Current Meter Working Time Power Battery Capacity Tester Measurement Tool.


Brand new and high quality. It can measure current and voltage of the power supply equipment with USB port. Plug and play, no extra power supply needed. The voltage and current will be displayed circularly. Small sized, easy and convenient to carry.

  • Workable range: 3.5 – 7.0V, 0 – 3A.
  • Resolution: voltage 10mV, current 10mA .
  • Error range: voltage <±1%, current <±2%.
  • Full-scale voltage drop:200mV.
  • Workable temperature: 0 – 60°.
  • Color:Transparent, Blue


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