LCD USB Charger Capacity Current Voltage Tester Meter For Phone Power Bank

Description

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Product Description
Description:
Description:
This test can be a USB charging current, voltage, discharge capacity,  intelligent devices.
It can be very easy to find digital device charging problem.
Tester three dimensional size 60 X 28.5 X 15mm (without cable), about 15cm  length of the line.
The only button on the tester is used to view and test data switch, the  tester can store 10 groups of test data
Specifications:
1. Input Voltage: 3V - 7V
2.Input current: <3.4A
3. Parameters that you can test: Voltage of battery. Current of battery, value of discharging capacitor.
(Total ten parameters)
4. Communication function: Yes
5.  Parameters adjusting function :Yes. Equipment for parameters adjustment: One electronic load,
one constant current  source. Voltage of constant current source should be set to 8.5V
There  are 3A, 2A, 1A and 0.3A models for current adjusting.
Here is a example for 3A:
When you set electronic load at 3A model, the current will be adjusted step by  step.
It will cost you about 10 seconds and you can see the result changing procedure in the LCD screen.
When you see the 3A result shown in LCD screen, the  adjustment process is finished. You can shut
off the electronic load and the  parameters will be saved automatically.
6. Clean the data : Push the button until the parameters changed to next sets of  parameters. Then release the button.
Then the next sets of parameters will be started and they will start from zero.
7.  Check the parameters : Quick beat the button double times(within 0.5s), then  it is checking model.
The LED background will be flash.Then you can see the next  set of parameters in LCD screen. Quick beat the
button double times again, you  release the parameters checking model. LED background be be light with flash.
8.  Over voltage or under voltage : An arrowhead will be shown in LCD screen and  LED background will flash.
Push the button and LED will be light without flash.
It will last 30s.
9.  Turn on mode l: The LCD screen will show all parameters within 1s when you connect power supply
by Micro USB or male plug of USB with wire.(It is to check whether the LCD screen  is good or not).
Then you can see the parameters used last time(capacitor and  which set of parameters). You also can
see the current voltage, current and over  voltage or under voltage. Please see following illustration.
USB output port can be connected to a data line, a discharge resistor or the  like cable devic
comprising a data communication function, the data does not affect the data transmission line.
Test specifications, voltage can not exceed 7V, current can not exceed 3.5A.
Note:When the voltage is lower than  4.7V on the instrument display or higher than 5.3V,
the LCD screen will flash, it does not affect the use.
Application examples
Because mobile phones and digital devices at low battery or full charge, the  current and voltage is not a stable value,
the application example of the  discharge
device is a USB 1A or 2A discharge resistor.
Included:
1 X
LCD USB Voltage Current Detector Mobile Power USB Charger Tester Meter
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payment
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NOTE:
Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what these additional costs will be prior to bidding buying.
Warranty
12 months Warranty. Buy with confidence!
If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.
If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
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We are not responsible for any custom duty or import tax.
We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.
All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.
Serious Buyer Only! Please place bid only if you agree with all the terms.
If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback.
We believe we can produce a positive outcome to any situation and will work hard to earn your praise.
If you were pleased with this transaction, Please give us 5 star rating, thanks!
Shipping
We Ship to Worldwide.
Items will be shipped within 2 business day on payment received.
Item are shipped from shenzhen using Airmail, reach most of the countries within 10 to 20.
Delivery time depends on destination and other factors, it may takes up to 20 business days.
Contact Us
Our office hours are 9:00 a.m to 6:00 p.m (GMT +8) of Monday to Saturday.
And our Office is closed on Sunday and public holidays.
We apologize for the late reply during the holidays.