LM2596 DC-DC adjustable step-down module with voltmeter display

$3.09

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Description

LM2596 DC-DC adjustable step-down module with voltmeter display with voltage accuracy calibration


Module performance and characteristics:


●With voltmeter display and the voltmeter can be self-calibrated. It adopts a more advanced voltage microprocessor, the error of the voltmeter is ±0.05V, and the range is 0~40V. (To ensure the accuracy of the voltmeter, please ensure that the input voltage is above 4.5V)


●Touch the button to switch between measuring input or output voltage, and there is an indicator light to show which voltage is being measured, and the setting is saved, even if the power is turned off and on again.


●The voltmeter can be turned off, and it can be easily realized by touching the button on the left when it is not needed.


●With terminal blocks, it is easy to use without soldering iron, and the connection points of welding wires are reserved.


●The input voltage is 4.0~40V. (The input voltage must be more than 1.5v higher than the output voltage)


●Adjustable output voltage range 1.25V~37V continuously adjustable. (The input voltage must be 1.5V higher than the output voltage)


●The output current is 3A, and it is recommended to use it within 2.0A. The high current needs to strengthen the heat dissipation.


●The output power is 20W, please strengthen the heat dissipation if it exceeds 15W.


●High conversion efficiency, an average of 88% (efficiency is related to input, output voltage, current, and pressure difference)


●With reverse connection protection, reverse connection will not burn


●With overheating protection and short circuit protection function


●Size 6.1*3.4*12cm (length*width*height)


●Weight: 22g


Application range:


This module can be used in the step-down field where the input voltage is higher than the output voltage, such as batteries, power transformers, DIY adjustable regulated power supply, 24V car pen meter power supply, industrial equipment step-down, 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V to 24V, etc.


Payment Policy

Payment Policy – BILLIONS BIRDS

At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.

1. Accepted Payment Methods

We accept the following payment options:

Major Credit & Debit Cards (Visa, MasterCard, American Express)

Secure Online Payment Gateways (such as PayPal, Stripe, or other providers available at checkout)

Any additional payment methods displayed during checkout

All payments must be completed in full at the time of purchase.

2. Secure Transactions

All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.

3. Currency

Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.

4. Order Confirmation

Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.

5. Failed or Declined Payments

If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.

6. Fraud Prevention

BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.


Delivery Policy

Delivery Policy – BILLIONS BIRDS

At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.

1. Order Processing

All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.

2. Shipping Times

Estimated delivery times vary depending on your location:

Domestic Shipping: 3–7 business days

International Shipping: 7–15 business days

Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.

3. Shipping Costs

Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.

4. Tracking Information

Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.

5. Delivery Issues

If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.

6. Incorrect Shipping Information

Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.


Refund Policy

Refund Policy – BILLIONS BIRDS

At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.

1. Return Eligibility

You may request a return within 14 days of receiving your order. To qualify for a return:

The item must be unused, unworn, and in the same condition as received.

The item must be in its original packaging.

Proof of purchase (order confirmation or receipt) is required.

Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.

2. Non-Refundable Items

The following items are non-refundable:

Final sale or discounted items

Gift cards

Items damaged due to misuse, negligence, or improper care

3. Return Process

To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.

Unless the item is defective or incorrect, customers are responsible for return shipping costs.

4. Refund Processing

Once we receive and inspect your returned item:

We will notify you of the approval or rejection of your refund.

If approved, the refund will be issued to your original payment method within 5–10 business days.

Please note that banks or payment providers may require additional time to process refunds.

5. Damaged or Incorrect Items

If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.

6. Late or Missing Refunds

If you have not received your refund:

Check your bank account again.

Contact your credit card company or payment provider.

If the issue persists, don't hesitate to contact our support team for assistance.

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