---
product_id: 136960979
title: "Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black"
brand: "justdodo"
price: "AR$14664"
currency: ARS
in_stock: true
category: "Electronics"
url: https://www.desertcart.com.ar/products/136960979-waterproof-dc-to-dc-converter-12v-to-3-9v-2a
store_origin: AR
region: Argentina
---

# Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black

**Brand:** justdodo
**Price:** AR$14664
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black by justdodo
- **How much does it cost?** AR$14664 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/136960979-waterproof-dc-to-dc-converter-12v-to-3-9v-2a)

## Best For

- justdodo enthusiasts

## Why This Product

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

## Description

   Features:Full seal design, shock proof, dust proof and waterproof.Aluminum alloy shell features good heat dissipation.Compact design, high efficiency, easy installation and use.Copper cord ensure high and stable conductivity.With overload,over-current, over temperature, short circuit protections.Wildly used for the carcorder, car navigation, car audio, car radio, bus LED display, taxi LED screens etc.Descriptions:Input: 8V-22VOutput voltage: 3V/3.3V/3.7V/4.2V/5V/6V7.5V/9V SelectableOutput Current(max): 3A(2A when it is 9V)Output Power: 9-18WConversion efficiency: up to 96%Soft-start time: 500mSOutput ripple:50mV (MAX) 20M-bandwidthDynamic response speed: 5% 200uSSpecifications:Material: aluminumSize: 35x25x21mmColor: silver & blackPackage included:1 x Step-Down Voltage ConverterNotes:1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!    

## Features

- Full seal design, shock proof, dust proof and waterproof.
- Aluminum alloy shell features good heat dissipation.
- Compact design, high efficiency, easy installation and use.
- Copper cord ensure high and stable conductivity.
- With overload,over-current, over temperature, short circuit protections.

## Images

![Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black - Image 1](https://images-na.ssl-images-amazon.com/images/I/41s5yeQp4dL.jpg)
![Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black - Image 2](https://images-na.ssl-images-amazon.com/images/I/31ujvXjqiEL.jpg)
![Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black - Image 3](https://images-na.ssl-images-amazon.com/images/I/41W3yiMX8cL.jpg)
![Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black - Image 4](https://images-na.ssl-images-amazon.com/images/I/41%2B6Txh2BpL.jpg)
![Waterproof DC to DC Converter 12V to 3-9V 2A 3A Auto Car Power Module Supply Copper Cord Step-Down Voltage Regulator-Silver & Black - Image 5](https://images-na.ssl-images-amazon.com/images/I/31N7vV6hLcL.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.com.ar/products/136960979-waterproof-dc-to-dc-converter-12v-to-3-9v-2a](https://www.desertcart.com.ar/products/136960979-waterproof-dc-to-dc-converter-12v-to-3-9v-2a)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-07*