---
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: "$U358"
currency: UYU
in_stock: true
category: "Electronics"
url: https://www.desertcart.uy/products/136960979-waterproof-dc-to-dc-converter-12v-to-3-9v-2a
store_origin: UY
region: Uruguay
---

# 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:** $U358
**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?** $U358 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/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

&#xA0; &#xA0;Features:Full&#xA0;seal&#xA0;design,&#xA0;shock&#xA0;proof,&#xA0;dust&#xA0;proof&#xA0;and&#xA0;waterproof.Aluminum&#xA0;alloy&#xA0;shell&#xA0;features&#xA0;good&#xA0;heat&#xA0;dissipation.Compact&#xA0;design,&#xA0;high&#xA0;efficiency,&#xA0;easy&#xA0;installation&#xA0;and&#xA0;use.Copper&#xA0;cord&#xA0;ensure&#xA0;high&#xA0;and&#xA0;stable&#xA0;conductivity.With&#xA0;overload,over-current,&#xA0;over&#xA0;temperature,&#xA0;short&#xA0;circuit&#xA0;protections.Wildly&#xA0;used&#xA0;for&#xA0;the&#xA0;carcorder,&#xA0;car&#xA0;navigation,&#xA0;car&#xA0;audio,&#xA0;car&#xA0;radio,&#xA0;bus&#xA0;LED&#xA0;display,&#xA0;taxi&#xA0;LED&#xA0;screens&#xA0;etc.Descriptions:Input:&#xA0;8V-22VOutput&#xA0;voltage:&#xA0;3V/3.3V/3.7V/4.2V/5V/6V7.5V/9V&#xA0;SelectableOutput&#xA0;Current(max):&#xA0;3A(2A&#xA0;when&#xA0;it&#xA0;is&#xA0;9V)Output&#xA0;Power:&#xA0;9-18WConversion&#xA0;efficiency:&#xA0;up&#xA0;to&#xA0;96%Soft-start&#xA0;time:&#xA0;500mSOutput&#xA0;ripple:50mV&#xA0;(MAX)&#xA0;20M-bandwidthDynamic&#xA0;response&#xA0;speed:&#xA0;5%&#xA0;200uSSpecifications:Material:&#xA0;aluminumSize:&#xA0;35x25x21mmColor:&#xA0;silver&#xA0;&&#xA0;blackPackage&#xA0;included:1&#xA0;x&#xA0;Step-Down&#xA0;Voltage&#xA0;ConverterNotes:1.Due&#xA0;to&#xA0;the&#xA0;difference&#xA0;between&#xA0;different&#xA0;monitors,the&#xA0;picture&#xA0;may&#xA0;not&#xA0;reflect&#xA0;the&#xA0;actual&#xA0;color&#xA0;of&#xA0;the&#xA0;item.&#xA0;We&#xA0;guarantee&#xA0;the&#xA0;style&#xA0;is&#xA0;the&#xA0;same&#xA0;as&#xA0;shown&#xA0;in&#xA0;the&#xA0;pictures.2.Due&#xA0;to&#xA0;the&#xA0;manual&#xA0;measurement&#xA0;and&#xA0;different&#xA0;measurement&#xA0;methods,&#xA0;please&#xA0;allow&#xA0;1-3cm&#xA0;deviation.Thanks! &#xA0; &#xA0;

## 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)

---

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**Shop now:** [https://www.desertcart.uy/products/136960979-waterproof-dc-to-dc-converter-12v-to-3-9v-2a](https://www.desertcart.uy/products/136960979-waterproof-dc-to-dc-converter-12v-to-3-9v-2a)

---

*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-13*