1pcs USB Charger Capacity Current Voltage Tester Meter For Cell Phone Power LCD display volt Amp
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USB Charger Capacity Current Voltage Tester Meter For Cell Phone Charging Power LCD Display Volt Amp

1pcs USB Charger Capacity Current Voltage Tester Meter For Cell Phone Power LCD display volt Amp monitor for battery

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1pcs USB Charger Capacity Current Voltage Tester Meter For Cell Phone Power LCD display volt Amp monitor for battery

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 * 28.5 * 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 model: 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.

Note: This data is mobile power discharge capacity, the battery capacity is not, a
ccording to our experience, the discharge capacity is about 1.9 times the battery capacity.
The former Test Reference Manual Tester discharge capacity value is cleared,
and the mobile power is fully charged.

Package include

1 x LCD USB Voltage Current Detector Mobile Power USB Charger Tester Meter

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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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