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MIni USB Charger Doctor Current Voltage Charging Detector USB Mobile Power Current and Voltmeter Ammeter Voltage Charger Tester

60 % of buyers enjoyed this product!
In stock
Price: US $2.49 Sale Price: US $1.89
45 days Money back
45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
On-time Delivery
On-time Delivery
Guarantees: On-time Delivery 60 days


MIni USB Charger Doctor USB Current Voltage Voltimetro Charging Detector USB current meter Mobile Power Corrente Current and Voltmeter Ammeter Charger Tester

The tester USB Charger doctor can easily measure the output voltage of the USB port and the device
Compact, no power, and other ancillary equipment, Plug and Play
USB charger can also detect whether the target output voltage and current
Used in factories, laboratories and users

The tester uses a new generation of power four and a half double integral cycle conversion IC, with a precision bandgap reference, range accuracy, high precision, stable and reliable performance, strong anti-interference ability, high temperature can be used for measuring USB powered or power consumption of an interface, cell phone chargers, U disk and other products.

It can be used to measure an empty USB-powered devices, voltage loads, USB terminal equipment working voltage and current.
Current and voltage cycle, easy to use and practical.
Compact and easy to carry, no additional power supply


  • Measuring range :3.5-7V (V)
  • Input voltage :3.5-7V (V)
  • Output voltage :3.5-7V (V)
  • Ambient temperature :0-60
  • Can easily measure the operating current of the output voltage of the USB port and equipment 2. smallsize , no power , and other ancillary equipment, plug and play also detect USB charger output voltage and current are standard suitable for factories, Laboratory and users.
  • Technical indicators:
  • Scope of work: Current (0-2.5A) can detect mobile phone charger voltage compliance DC5V
  • Operating Range : U = 3 ~ 7.5V I = 0 ~ 2.5A
  • Resolution : Voltage 10mV current 1mA
  • Error : voltage <± 1% current <± 2%
  • Full scale drop : ( When measuring current ) 200mV

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $2.49 / piece
Sale Price:  US $1.89 / piece