feature:

brand new, high quality guaranteed!

USB power can be used to detect the quality of the line.

The current sampling is 50 milliohms, and the loss is smaller.

With precise current calibration, the current accuracy is higher.

The phone will automatically turn off the output when it is fully charged.

Display voltage and current data MAH, timing, easy to view.

It can detect the mobile power output MAH.

USB male plug 5V charger, mobile phone and other equipment female plug, directly read the current and voltage.

Normal shutdown: When the screen displays 00:00H, press and hold the button for about 3 seconds, the number will flash. Press and hold the button for 0.5 seconds. Each time you press the button, it will increase by 0.5 hour. Then press and hold the button for about 3 seconds to save.

Over-current protection and over-current protection: When the screen displays 0.00A, press and hold the button for about 3 seconds, there will be a flashing number. Press and hold the button for 0.5 seconds, and each time you press the button, it will increase by 0.5A. Then press and hold the button for about 3 seconds to save.

When it shows the home screen, press and hold the button for about 3 seconds to clear the stored data.

Can be used to find charging problems of digital devices.

Specification:

Device type: USB current and voltage capacity tester

Power: 0-150W, 0-999.9Wh

Accuracy: ±1%

Colour: Black

Supported connector: USB

Voltage: DC 4V-20V (overvoltage protection can be set arbitrarily)

Current: 0-3A (overcurrent protection can be set arbitrarily)

Test capacity range: 0-99999 mA

Internal resistance: 0-999.99 ohm

Timing: 0-99 hours

Time: 0-24 hours

Size: 2.28*0.91*0.47in(58*23*12mm)

The package includes:

1 x USB current and voltage capacity tester.

notes:

1. Due to manual measurement, please allow an error of 1-3mm.

2. Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks!

We accept payment via Paypal only.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.

We only ship to confirmed Paypal addresses. Please comfirm that your paypal address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to UK; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.