Hurry! New 2017 New USB 3.0 H Led white 4 bit detector USB voltmeter ammeter power capacity voltage current tester meter power bank

Hurry! New 2017 New USB 3.0 H Led white 4 bit detector USB voltmeter ammeter power capacity voltage current tester meter power bank external battery Rating: 5 out of 5

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Note: It forbid for being used for inductive load, eg: the load with motor and fan. it can be used digital products, eg: mobile phone,power bank,USB flash drive and etc.. About quick charge mode, the meter can not be applied to the phone own charger. and this mode can be compatible with more than 98% of intelligent device while the USB port cannot transfer data Technical Parameter: Product model: USB 3.0 meter- H-white Voltage range: DC03.70-13.00V Voltage accuracy:± (0.2% + 1words) Current range: DC0.000-3.000A Current accuracy:± (0.8% + 3words) Capacity accumulation: 0-99999mAh Capacity resolution: 1mAh Energy accumulation range: 0-99999mWh-999Wh Product weight: 14g (package 46g) Update rate: 2 times/s Idle discharge: about 10mADisplay screen: 0.91 OLED screen Port mode: Compatibility: USB 2.0, USB 3.0 Product size: 64mm x 21.6mm x 11.2m m (L x W x H) Power : 0-39.00W 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 () will be flashing to remind 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. Counting the capacity and efficiency of the mobile power bank battery: Ah data x output voltage/battery voltage /efficiency = mobile power bank battery Ah (output voltage is typically 5V, the battery voltage is generally based on 3.7V, typically by 85-90% efficiency) 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 1 X Tester Meter 1 X English User Manual 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 time may vary, particularly during the holiday season. 6. If you have not received your order after 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! 7. Delivery Time: 1. You have 7 days to contact us and 30 days to return it from the date received. If the item is in your possession more than 7 days, it will be considered used and WE WILL NOT ISSUE A REFUND OR REPLACEMENT to you. 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 order ID. 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. 1. 12 months Manufacturer’s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty. 2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on aliexpress! 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 perform up your satisfaction. It is impossible to address issues if we do not know about them!

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).
Hurry! New 2017 New USB 3.0 H Led white 4 bit detector USB voltmeter ammeter power capacity voltage current tester meter power bank