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Product Description
Description:
DC 300W 20A CC CV Constant Current Adjustable Step Down Converter Voltage Buck Current Source Module 
Features: 
1. With a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current. 
2. The efficiency can be up to 96%, measured at 20A, converting 24V to 12V. 
3. It is designed with 75V/80A large current dual MOS tube. 
4. Input and output use high frequency low resistance electrolytic capacitor, low ripple, stable output. 
5. Wiring is convenient with these large current 30A screw terminals. 
6. The buck module has 2 heat sink that could enhance heat dissipation. 
7. When there is a big difference between input and output voltage, please decrease power and current. 

Specifications: 
Input Voltage: 6V to 40V DC(10V to 40V is suggested) 
Output Voltage: 1.2V to 36V DC 
Output Current: 20A(max.), 15A(suggested) 
Efficiency: 95%(24V to 12V, 20A) 
Output Ripple: ≤50mV 
Wiring Method: Terminal 
Short Circuit Protection: Self-recovery(cannot short circuit for long time) 
Size: approx. 60 x 53 x 27mm / 2.36 x 2.08 x 1.06" 
VO+: Output positive 
VO-: Output negative 
+IN: Input positive 
-IN: Input negative 
CV: Output voltage adjustment 
CC: Output current adjustment 
EN: Enable, low voltage level shut off output; suspension, high voltage level is effective 
When input and output is common grounded, no-load CV output constant voltage, CC output constant current. 
Included:
1 x Converter Voltage Module
pictures
payment
  1. We accept PayPal only.

  2. All major credit cards are accepted through secure payment processor PayPal.

  3. Payment must be received within 7 business days of auction closing.

  4. If you have bought multiple items from me, you can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, eBay will automatically determine if there are other items you have won or purchased from me and will combine them for your review.

  5. NOTE: Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer's responsibility.
    Please check with your country's customs office to determine what these additional costs will be prior to bidding buying.

Warranty
  1. 12 months Warranty. Buy with confidence!

  2. If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.

  3. If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.

  4. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.

policies
  1. We are not responsible for any custom duty or import tax.

  2. We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.

  3. All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.

  4. Serious Buyer Only! Please place bid only if you agree with all the terms.

  5. If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback.
    We believe we can produce a positive outcome to any situation and will work hard to earn your praise.
    If you were pleased with this transaction, Please give us 5 star rating, thanks!

Shipping
  1. We Ship to Worldwide.

  2. Items will be shipped within 1 business day on payment received.

  3. Item are shipped from shenzhen using Airmail, reach most of the countries within 10 to 20.

  4. Delivery time depends on destination and other factors, it may takes up to 20 business days.


Contact Us
  1. Our office hours are 9:00 a.m to 6:00 p.m (GMT +8) of Monday to Saturday.
    And our Office is closed on Sunday and public holidays.
    We apologize for the late reply during the holidays.

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