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USB 3.0 Charger Voltage Current Meter Power Capacity Energy Detector Tester
Descriptions:
This product is suitable for digital products, such as mobile phone, mobile power, tablet, computer, charger, camera, USB etc.(Please do not use inductive load, such as motor, relay, etc.)
Features:
- Automatic calibration of current zero function.
- With overvoltage and undervoltage reminder function
- With capacity automatic storage function
- With capacity/energy switch function
- It has the function of screen rollover function
- It has the function of screen closing function
- 9 group capacity storage accumulative.
- It supports QC2.0 fast charge agreement.
- It supports UCB3.0 data transfer.
- It supports direct mode, quick charge mode, disconnect mode.
Specifications:
Voltage measurement range: DC 3.70-13.00V
Voltage measurement accuracy:± (0.2% +1 digital)
Current measurement range: DC 0.000-3.000A
Current measurement accuracy: ± (0.8%+3 digital)
Power measurement range: 0-39.000W
Refresh rate: 2 times/SEC
Capacity measurement range: 0-99999mah
Static electricity consumption: about 10mA
Energy measurement range: 0-99999mwh -999Wh
Font color: white
Port mode: USB3.0
Display screen: 0.91 inch 128*32 dot matrix display
Product size: 64.0 x 21.6 x 11.2mm /2.52 x 0.85 x 0.44inch
Weight:48g
Operating instructions:
When contact the power supply, the screen shows welcome window firstly and then displays
current connection mode. Then it comes into the main interface. It has three connection modes,
direct mode, quick charge mode and disconnected mode (Only for USB 2.0).
Direct mode is that the two middle signal wires are conducted directly. In this mode, USB port
can transfer data normally. Quick charge mode is that the two middle signal wires are connected
with the special charge chip. This chip can simulate quick charge agreement from different
manufacturers to make different device matched automatically. So it can get quick charge. This
mode can be compatible with more than 98% of intelligent device while the USB port cannot
transfer data. Disconnected mode is that the two middle signal wires are disconnected. In this
mode, USB port cannot transfer data.
Mode Selection
Keep pressing the button first and then connect power supply. After the welcome window
passed, you can set the three modes. When the mode you need appears, you can release the
button. The mode selection is done when you see the BLN flashes one time.
Current zero calibration function
The component aging and temperature variation after long-term use may appear tiny error
when it measures small current. To avoid this error, you can keep pressing the button on the back
to connect power supply in the no-load terms, until the three modes passes (as shown in the
figure), then the LED lights. The calibration is accomplished
Over-voltage and Under-voltage reminding function:
When the voltage is over 5.3V (less than 4.7V), the arrow ( 
the voltage is too high (low). When the voltage becomes to 4.7V-5.3V, the arrow will be
disappeared.
In the main interface, you can click the button to switch data set one by one. And it provides for
storing and checking 0 to 9 totally ten groups data set
Capacity stored function
When data set is between the 1 to 9 group, the current capacity will be stored after power off.
And the stored capacity will be accumulated after power on. When the data set is 0 group, the
current capacity will be stored after power off. When power on next time, the stored mAh is
blinking displayed. When the new mAh is up to 1 mAh, the stored mAh will be covered, and the
values will start over
In the main interface, double click the button on the back (the time interval of the double click is
within 0.5s), then you can get into data check window and see the capacity of the current data
set. In this window, you can click the button to check the next data set, and when you keep
pressing the button more than 2s, the current data set will be cleared. And if you double click the
button, it will come back to the main interface.
Capacity unit switch function:
In the main interface, keep pressing the button, until the LED lights (time about 2s), release the
button, the capacity will be switched between mAh and mWh.
Screen rotation function:
In the main interface, keep pressing the button, until the LED lights and then goes out (time
about 4s), release the button, the screen is rotated and automatically stored for being used next
time conveniently.
Shut-down screen function:
In the main interface, keep pressing the button more than 6s, then release the button, the
screen display can be shut-down and come into power saving mode. The LED is flashing in this
moment and you can click the button to come back to the main interface
Package Included:
1 x USB 3.0 Comprehensive Tester
1 x box
About feedback
If you are satisfied with our products, Pls give us 5 Stars
Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our items and services. If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problem and provide you with the best customer services. We will give you a positive feedback after receiving the payment. If you are unsatisfied with your items, please contact our Customer Service.
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
It is impossible to address issues if we do not know about them!
Payment
1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment processor ESCROW.
2) Payment must be made within 3 days of order.
3) If you cant checkout immediately after auction close, please wait for a few minutes and retry Payments must be completed within 3 days.
About shipping
1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
6. If you have not received your shipment within the period, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.
8. We seller are not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable.
9. BR buyer please provide the cpf or cnpj, it will be better for you to get it more quickly. thanks
Return and Refund
1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.
3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
4. We will bear all the shipping cost if the product(s) is (are) not as advertised
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 Delivery: If 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).Excellent Deals USB 3.0 Charger Voltage Current Meter Power Capacity Energy Detector Tester
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