USB Charger Doctor Voltage Current Meter Mobile Battery Tester Power Arduino projects robots NEW
It can measure the USB-powered devices, voltage and current .
Easy to use and practical.
Compact and easy to carry, no additional power supply, plug and play.
It can easily measure the output voltage of the USB port and the device operating current or load voltage.
Detect any USB charger such as, home charger, car charger.
Wide range of applications, any phone, any electronic product, Easy to use.
suitable for factories, laboratories and personal use.
Voltage: 3v-7v error 0.1v
Current :0-2.5A error 0.01A