---
product_id: 353981416
title: "XINGYHENG 2Pcs 20A 300W High-Power Buck Converter Module DC 6-40V to DC 1.2-36V Adjustable Constant Voltage Constant Current Power Module Charging LED Drive with Short Circuit Protection"
brand: "xingyheng"
price: "₨50379"
currency: LKR
in_stock: true
reviews_count: 5
category: "Xingyheng"
url: https://www.desertcart.lk/products/353981416-xingyheng-2pcs-20a-300w-high-power-buck-converter-module-dc
store_origin: LK
region: Sri Lanka
---

# 20A max output current Dual heat sinks for enhanced cooling Wide input 6-40V adjustable output 1.2-36V XINGYHENG 2Pcs 20A 300W High-Power Buck Converter Module DC 6-40V to DC 1.2-36V Adjustable Constant Voltage Constant Current Power Module Charging LED Drive with Short Circuit Protection

**Brand:** xingyheng
**Price:** ₨50379
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your projects with precision and cool confidence!

## Quick Answers

- **What is this?** XINGYHENG 2Pcs 20A 300W High-Power Buck Converter Module DC 6-40V to DC 1.2-36V Adjustable Constant Voltage Constant Current Power Module Charging LED Drive with Short Circuit Protection by xingyheng
- **How much does it cost?** ₨50379 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/353981416-xingyheng-2pcs-20a-300w-high-power-buck-converter-module-dc)

## Best For

- xingyheng enthusiasts

## Why This Product

- Trusted xingyheng brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Nickel-plated, pure copper conductors and high-quality MOSFETs guarantee durability and low ripple output.
- • **Precision Control:** Adjust voltage from 1.2V to 36V and current up to 20A with fine-tuned constant voltage/current modes.
- • **Cool Under Pressure:** Dual heat sinks ensure optimal heat dissipation, keeping your module stable and reliable.
- • **Powerhouse Performance:** Delivers up to 20A and 300W with 97% efficiency for demanding projects.
- • **Versatile Applications:** Perfect for LED drivers, solar panels, battery charging, industrial automation, and DIY electronics.

## Overview

The XINGYHENG 2-pack 300W 20A Buck Converter Modules offer high-efficiency DC-DC step-down conversion with adjustable voltage (1.2-36V) and current (up to 20A). Featuring dual heat sinks, nickel-plated copper conductors, and advanced MOSFETs, these modules provide stable, low-ripple output ideal for LED driving, battery charging, solar energy, and industrial applications. With built-in short circuit protection and wide input range (6-40V), they combine durability and versatility for professional-grade power management.

## Description

About us: 300W 20A DC Buck Module Constant Current Adjustable Converter Voltage Output Current: 20A(max.), 15A (suggested) Output Voltage: 1.2V to 36V DC Efficiency: 95% (24V to 12V, 20A) With a wide input voltage range from 6V to 40V (10V to 40V is suggested), the step-down converter can accurately adjust output voltage and current Output Ripple: Less than equal 50mV Wiring Method: Terminal Short Circuit Protection: Self-recovery (cannot short circuit for long time) 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 Working Tempreture: -10Celsius -75 Celsius Designed with 75V/80A large current dual MOS tube The buck module has 2 heat sink that could enhance heat dissipation Wiring is convenient with these large current 30A screw terminals Input and output use high frequency low resistance electrolytic capacitor, low ripple, stable output Stable and reliable Fine workmanship and durableWidely used in industrial Automation, scientific research equipment, LED Lighting, air purification, civil equipment, solar panel voltage regulator, battery charging，wind turbines and so on Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Package Included: 2pcs * High-power Buck Converter Module.

Review: Total of 5 ordered of which only 2 worked. (The Led turned on at 13.5 v volt input). As it worked I could do some setting. Volt set at 13.6 volt. On load at 6 amp from buck converter o volt stabilized at 10 v. Adjusted current to stabilize to 12.5 with load. Input was at 14.5 volt 4.5 amp. Waiting on replacement.
Review: Works good

## Features

- Super material: It is made of electronic accessories, nickel plating on surface(anti-oxidatioan), inner conductor: pure copper.it is long lasting and durable for you to use.
- Package including: 2 Pack of Constant Current Voltage Module. Moreove. The buck module has 2 heat sinks that could enhance heat dissipation. When there is a big difference between input and output voltage, please decrease power and current. With LED indicator, more stable and reliable to use.
- Input and output: With a wide input voltage range from 6V to 40V, the converter can accurately adjust output voltage and current. Output Current: 20A(max.), 15A (suggested). Efficiency: 97% (24V to 12V, 20A). Output Ripple: Less than equal 50mV. Designed with 75V/80A large current dual MOS tube.
- High Power High Efficiency: Adopting 75V / 80A large current dual MOS tube designed board, Input and output use high frequency low resistance electrolytic capacitor, low ripple, and gives a stable output. Large current 30A connection screw terminals, more convenient to install
- A wide range of applications: Widely uses in power transformer, DIY adjustable power supply, LED car display, mobile power, industrial equipment appliances, LED driver, monitor, solar energy, fan, battery conversions, micro-controllers, and electronic projects. so on. Maintain stable output voltage and limit the output current over a range of input voltages.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0978Y8FTM |
| Item model number | 300W20A |
| Item weight | 5.9 Ounces |
| Manufacturer | XINGYHENG |
| Package Dimensions | 16.99 x 12.8 x 3.99 cm; 167.26 g |
| UPC | 717373556033 |

## Product Details

- **Brand:** XINGYHENG
- **Current rating:** 20 Amps
- **Mounting type:** Chassis Mount
- **Power source:** Battery Powered
- **Specification met:** CE

## Images

![XINGYHENG 2Pcs 20A 300W High-Power Buck Converter Module DC 6-40V to DC 1.2-36V Adjustable Constant Voltage Constant Current Power Module Charging LED Drive with Short Circuit Protection - Image 1](https://m.media-amazon.com/images/I/617jp0CxefS.jpg)

## Customer Reviews

### ⭐⭐⭐ Review
*by P***R on 17 July 2023*

Total of 5 ordered of which only 2 worked. (The Led turned on at 13.5 v volt input). As it worked I could do some setting. Volt set at 13.6 volt. On load at 6 amp from buck converter o volt stabilized at 10 v. Adjusted current to stabilize to 12.5 with load. Input was at 14.5 volt 4.5 amp. Waiting on replacement.

### ⭐⭐⭐⭐⭐ Review
*by D***. on 17 November 2025*

Works good

### ⭐⭐⭐⭐⭐ Review
*by M***A on 27 August 2023*

Hi, I got this and both work perfectly, you will need a multimeter to correctly adjust the voltage and amperage. The main note is these potentiometers require A-LOT of turning. You will notice a clicking once you turn too much indicating that you’ve reached a maximum. But in general you will need turn it until the potentiometer is engaged and then till the correct reading. Please also note that counter clockwise lowers the voltage or amperage and clockwise increases the voltage or amperage. Hope this helps anyone!

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.lk/products/353981416-xingyheng-2pcs-20a-300w-high-power-buck-converter-module-dc](https://www.desertcart.lk/products/353981416-xingyheng-2pcs-20a-300w-high-power-buck-converter-module-dc)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-06*