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USB Gadgets Mobile USB Charger Mobile Voltage Detector Voltage Current and Voltage Ammeter Voltmeter

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Characteristics:
100% brand new and high quality!
This is a mini USB meter. You can measure the voltage, current, power and capacity.
Energy-down storage function: when turned off, the accumulated mah will be automatically saved.
Store flashing mah shows after startup.
When new mah up to 1 mAh, store mah will be discussed, and the values will be reset.
Calculating the capacity and efficiency of mobile phone battery power bank:
Ah Data x voltage output voltage ÷ ÷ = battery efficiency ah phone battery power bank (typically 5V output voltage, battery voltage is generally based on 3.7v, usually by 85-90 % efficiency)
Over voltage and low voltage reminder: when a voltage of more than 5.3V (less than 4.7V), the arrow flashes
Product specifications:
Screen mode: 0.91 '' OLED screen
Voltage measurement range: DC 4-20 V
Tension accuracy: ± (0.3% + 1 words)
Current measurement ranges: DC0.00-3.00A
Current accuracy: ± (0.5% + 2 words)
Power measurement range: 0-30.00 w
Measuring range capacity: 0-99999 mAh
Main color: blue
size: approx. 57 * 20 * 10mm (l * w * h)
Weight: 9g
package includes:
1 x USB power supply voltage detector
Shipping:
When you place an order, please choose a shipping method and pay for the order including the shipping fee. Usually, we will send the items as soon as possible once your payment is completed.
We do not guarantee delivery time on all international shipments due to differences in customs clearing times in the countries, which may affect the speed with your product is examined. Please note that buyers are responsible for all additional customs fees, broderage fees, fees, and taxes for importation into your country. These additional fees can be collected at the time of delivery. We will not refund the shipping charges for refused shipments.
We are not responsible for any custom duty or import tax.
The shipping cost does not include any import taxes, and buyers are responsible for taxes. I understand that you are concerned about any possible additional cost for the items. Based on past experience
FAQ:
1. Is there tracking number for my item?
Yes, we send each order with your tracking number, and you can see the shipping stam on the corresponding website.
2. Is the product same as photos?
Yes, all the photos are real. We take these pictures by ourselves.
3. What size can fit me?
We suggest that you look at our suggestion of size table size chart below and our product if you are normal figure. If you have special figure, please contact us (tell us your height and weight, bust, waist, hip size).
4. Can you declare a lower value?
Yes, usually, we will declare $ 10- $ 20 for small packages (1-5 pcs). If you have special request, please contact us.
5. I am a reseller, I would like to buy many pieces of your item, what is the wholesale price?
hello, thanks for your question, if you would like to buy large quantity, please send an email to us, we will give you the best price, thanks!
returns:
We do our best to serve our customers the best we can.
The buyer should make sure that the items returned are in their original conditions. If the items are damaged or lost when they are returned. The buyer will be responsible for such damage or loss, and we will not give the buyer a full refund. The buyer should try to file a claim with the logistic company to recover the cost of damage or loss.
The buyer will be responsible for the shipping fees to return the items.
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