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OLED USB Charger Capacity power Current Voltage Detector Tester Meter with Case





DESCRIPTION

Product Features:

  • This is the mini USB meter. It can measure voltage, current, power and capacity.
  • It adopts the OLED screen, it can clearly display all the data. And it display two colors font, white and blue.
  • It has three functions:Screen rotation,Power-down storage andOver-voltage and Under-voltage reminding.

Technical Parameters:

Weight:                                9g （package 25g）

Font color:                             Blue

Display mode:                      0.91" OLED screen

Physical size:                        43x 20 x 10 mm (L*W* H)        

Voltage measurement range:                     DC3.50 -9.99V

Voltage accuracy:                      ± (0.3% + 1words)

Current measurement range:                    DC0.00-3.00A

Current accuracy:                                      ± (0.5% + 2words)

Power measurement range:                      0-30.00W

Capacity measurement range:                  0-99999mAh

Function description:

 Screen rotation function:Press the button on the back, the display interface can rotate 180 degree for being observed easily when you insert it into different side usb of the computer, and automatic memory for the next boot mode.

 Power-down storage function:When power off, the accumulated MAH will be automatically stored. The stored MAH is blinking displayed after the boot. When the new MAH is up to 1 MAH, the stored MAH will be covered, and thevalueswillstartover.

Counting the capacity and efficiency of the mobile power supply battery:

    Ah data x output voltage ÷battery voltage ÷ efficiency = mobile power supply battery Ah (output voltage is typically 5V, the battery voltage is generally based on 3.7V, typically by 85-90% efficiency)

  Over-voltage and Under-voltage reminding:When the voltage is over 5.3V (less than 4.7V), the arrow ˆ (ˇ) will be flashing

Tested picture


PAYMENT

We Only Accept Paypal on Ebay. For specific requirements, please feel free to contact us.

 


SHIPPING

 

Shipping:

    • Packages are sent from overseas, please expect lengthy custom delays if you choose to use default shipping service. Shipping to some countries is slow. That depends on your local postal service.
    • Most orders to USA take about 7-20 days using epacket(USPS first-class service with tracking#).
    • Shipping to most other countries takes about 10-30 days via Economy Int'l Airmail without tracking#. In rare case, it can take up to 40 days. It depends on your location and local postal service(e.g., Russian Postal service is slow), as well as the weather condition along the shipping.
    • We don't take responsibility if you submit wrong address.
    • Here's an approx delivery time to some countries:

  • Please contact us if you need a tracking# or express shipping service.

 


TERMS OF SALE

If you are facing with troubles below, please contact us as soon as you can

Defective or Wrong: full refund or send you a new replacement

Missing: new package arranged, or partial refund

Dislike: full refund after we received your item (buyer undertakes return shipping fee)


ABOUT US

Our working time is 08:30-17:30 from Monday to Friday in Beijing Time. 
Because of the time difference, we may not reply your email immediately. All emails will be replied in 24 hours, please understand that.
We devote to making the best service for you. We look forward to serving you.
Any questions, please contact us via our ebay email. Your emails are warmly welcomed.


CONTACT US

Consumers' satisfaction is our first priority and pursuit fivestarfivestarfivestarfivestarfivestar. We promise to solve your problem in a good way . We consider neutral  and negative  feedbacks as a SHAME. So please never give us a neutral or negative feedback before communicating with us .

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