DC-DC Adjustable Buck Converter Stabilizer Step Down Voltage Reducer W/ DIY Case

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DC-DC Adjustable Buck Converter Stabilizer Step Down Voltage Reducer W/ DIY Case
Product Description
DC-DC Adjustable Step-down Converter
:
Features
-Clear and large LCD display, blue background and white digit, reading voltage and current at the same time.
-Input voltage range is DC 5-23V, suggested voltage range is lower than 20V, Continuously adjustable output
voltage 0-16.5V, input voltage should be 1V higher than output voltage.
-Unique design: two amazing button for adjusting the voltage, one for reducing voltage, the other for increasing voltage,
convenient for you to adjust voltage and will come with protective shell.
-Best quality: this step-down voltage power module adopted imported MP2304 chip; 95% conversion efficiency, +/- 1% accuracy,
low heat generated.
-Easy Installation: designed with terminal blocks, you can connect the input and output by using a screw, needn't any soldering work.
Specification :
Input voltage: 5~23V, recommend the use of within 20V. (Input voltage must be 1V higher than the output voltage.)
Output voltage: 0~16.5V, continuously adjustable.(Automatically saves the last set voltage.)
Output current: 3A Peak, recommend the use of within 2A. (Over 2A, please enhance heat dissipation.)
Accuracy: 1%
High conversion efficiency: up to 95%
Load regulation: S (I) ≤0.8%
Voltage regulation: S (u) ≤0.8%
Size: 62 x 44 x 18mm
Calibration instructions:
The module has calibration function, no need to worry if the measurement is not accurate.
If you find that the measuring values are not accurate or values are stuck, and left and right buttons can not adjust voltage, please do as follow:
Calibration method:
First, in the case of power off, press and hold the left button and don't access to power, then the display starts flashing, release the button.
Next, measure the output voltage with a multimeter and press the left and right button to adjust the value until the multimeter displays close to 5V,
such as 4.98V, 5.02V.
Finally, access to power, then the calibration is complete. Error can be less than 0.04V, if the error is larger, you can try again.
Package included :
1 x DC-DC Adjustable Step-down Converter (not included the shell case)
DIY Acrylic Case Cover Box Shell:
Specification :
Material : Acrylic
Color : Transparent
Size :62 x 44 x 18mm
Package included :
1 x Transparent Shell (not included the module)
Payment
Delivery details
Terms of sales
About us
Contact us
Payment
We accept PayPal only
.
Payment must be received within 7 Days from the date of purchase.
Please leave note in PayPal when making the payment if you have any special  request (colors/size). Orders will be processed instantly and dispatched in same day normally,so we do NOT accept any Email/Message note before or after you place orders.
Delivery details
We only ship to ebay address!
If you want to ship to other address, please change your ebay address before making a payment.
We Ship to Worldwide, except China and so on.
Items will be shipped within 2 business days on payment received.
Items are shipped from Hong Kong using Airmail, reach most of the countries within
12 to 25
business days.
USA/Canada
10-22 days
United Kingdom
12-25 days
Most countries in Europe
12-30 days
Delivery time depends on destination and other factors, it may take up to 20 business days. If you don't receive the item after 30 days, please contact us, we'll investigate and solve the delivery problem.
Customs duty is obligation and liability of a citizen in your country, so buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable in some countries. Therefore, please double check your local customs policy carefully before purchase. Or, we will NOT be responsible for any failure delivery related destination customs issue.
Terms of sales
Defective product must tell us within 3 days attached with the picture of defective part. Please return it with your own cost within 2 weeks from the time the merchandise is received. We will arrange to exchange a new one for you at once. (you should include all original items undamaged in resaleable condition, thanks).
If you need refund, only item's listing price is refundable. Buyer is responsible for shipping cost incurred shipping products back.
Buyers have to pay for the return cost and we will pay the cost for resend.
If you are happy with the item or have any problem,please feel free to contact us and we will resolve your problem, please Don't leave us the negative feedback without send the message, thanks for your support.
About us
We are responsible seller,We do our best to provide you with fashion products to make you to be beautiful and happy!
Customer satisfactory is most important tous.If you have a problem or question regarding your transaction,feel free tocontact us.we will try our best to solve the problem asap.Your satisfactory is our goal.
Contact us
We guarantee 100% customer satisfaction. Please contact us with any comments, questions or suggestions that you may have, we will be happy to assist you. You can contact us by leaving us an eBay message, or email us. You can find our email address in you Winning BuyerNotification email.Our working schedule: (including hotline and online inquiry).
Please contact us if you have any problemupon receiving your item and pls send E-mail to us,our
business hour:9:00 AM to6:00 PM(Monday-Saturday).