---
product_id: 182495727
title: "Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board"
brand: "calvin twain528251"
price: "₩61363"
currency: KRW
in_stock: true
category: "Kitchen"
url: https://www.desertcart.kr/products/182495727-calvin-twain528251-voltage-converter-module-board-dc-dc-12v-to
store_origin: KR
region: South Korea
---

# Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board

**Brand:** calvin twain528251
**Price:** ₩61363
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board by calvin twain528251
- **How much does it cost?** ₩61363 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/182495727-calvin-twain528251-voltage-converter-module-board-dc-dc-12v-to)

## Best For

- calvin twain528251 enthusiasts

## Why This Product

- Trusted calvin twain528251 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Highlight:1. On-board voltage, current, and power meter, you can easily use this module without a multimeter, which is simpler and more intuitive;2. Onboard USB interface for easy charging of your digital products; (note: the USB output voltage is consistent with the module output voltage. It is not a fixed 5V output. Please confirm to 5V before charging the USB device, otherwise it may damage your device)3. High power, high efficiency, 5A, low ripple;4. Three major functions:(1) used as a normal step-down module with overcurrent protection capability;(2) it is used as a charger for various voltage value lithium batteries, batteries, nickel-cadmium nickel-hydrogen batteries (battery packs), and used in solar panels, wind turbines, etc.;(3) used as a high power LED constant current driving module;5. There are two modes of constant voltage and constant current, and there are indicators to indicate which mode the module is currently in;6. When used as a lithium battery charger, you can set the float voltage and charge current, and the indicator light indicates whether it is charging or is full;7. With current limiting protection;8. The onboard voltage and ammeter can be self-calibrated;9. With heat sink.Application range:1. As a normal buck module with overcurrent protection.Instructions:(1) Press the right button to adjust the digital meter to the [display output voltage] interface, and adjust the &quot;constant piezo transistor&quot; to make the output voltage reach the desired voltage value;(2) Adjust the digital meter to the [display output current] interface, directly short the output end of the module (find a thick wire to short the output end), adjust the &quot;constant current potentiometer&quot; to make the digital meter the current value reaches the preset overcurrent protection value; (for example, if the current value displayed by the onboard ammeter is 4A, then the maximum curr

## Features

- 1.with protection function: Charging overcharge protection, over-discharge protection, overcurrent protection.
- 2.Intelligent output device after charging full, automatically stop charging, to prevent mobile phones overcharge.
- 3.Output voltage and current stable, will not harm user devices.
- 4.can accurately adjust output voltage and current.
- 5.Stable and reliable,high efficiency,Fine workmanship and durable.

## Images

![Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board - Image 1](https://images-na.ssl-images-amazon.com/images/I/61Qx3lGCx4L.jpg)
![Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board - Image 2](https://images-na.ssl-images-amazon.com/images/I/610N1f-AmkL.jpg)
![Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board - Image 3](https://images-na.ssl-images-amazon.com/images/I/612eO8RCPEL.jpg)
![Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board - Image 4](https://images-na.ssl-images-amazon.com/images/I/61nQpM5gB8L.jpg)
![Calvin Twain528251 Voltage Converter Module Board DC-DC 12V to 5V With USB Port Adjustable Voltage Current 3A / 5A Step Down High Efficiency Module Power supply Board - Image 5](https://images-na.ssl-images-amazon.com/images/I/614%2BxyQMeOL.jpg)

---

## 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.kr/products/182495727-calvin-twain528251-voltage-converter-module-board-dc-dc-12v-to](https://www.desertcart.kr/products/182495727-calvin-twain528251-voltage-converter-module-board-dc-dc-12v-to)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-18*