---
product_id: 456922781
title: "12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat"
brand: "fbhdzvv"
price: "Bs.235"
currency: BOB
in_stock: true
reviews_count: 8
url: https://www.desertcart.bo/products/456922781-12v-to-3v-converter-dc-step-down-buck-voltage-regulator
store_origin: BO
region: Bolivia
---

# 12V input Waterproof 3V output 12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat

**Brand:** fbhdzvv
**Price:** Bs.235
**Availability:** ✅ In Stock

## Summary

> Transform Your Power Game! ⚡

## Quick Answers

- **What is this?** 12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat by fbhdzvv
- **How much does it cost?** Bs.235 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/456922781-12v-to-3v-converter-dc-step-down-buck-voltage-regulator)

## Best For

- fbhdzvv enthusiasts

## Why This Product

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

## Key Features

- • **🔥 High Efficiency:** Delivers 9W of power with low heat generation for optimal performance.
- • **🌧️ Rugged Design:** Aluminum case and silicone sealing ensure durability in harsh environments.
- • **⚙️ Easy Installation:** Follow the clear labeling to ensure a hassle-free setup.
- • **🔒 Intelligent Protection:** Equipped with an intelligent microprocessing chip for over-voltage, over-current, and short circuit protection.
- • **🚗 Versatile Compatibility:** Perfect for car audio, LED displays, dashcams, and more.

## Overview

The 12V to 3V Converter is a robust DC step-down voltage regulator designed for various applications, including automotive and marine use. With a maximum output of 3A and 9W, it features intelligent protection mechanisms and a waterproof design, making it ideal for harsh conditions.

## Description

Input voltage: DC 12V Output voltage: DC 3V Output current: 3A Output power: 9W Case material:Aluminum Voltage protection: Input overvoltage and undervoltage protection Overcurrent protection: YES Output line compensation: YES Short circuit protection: YES Over temperature protection: YES Conversion efficiency: 90%~97% Wiring: Input:  Red wire: input +  Black wire: input - Output:  Yellow wire: output +  Black wire: output - Package include: 1 x DC 12v to 3v step down buck converter

## Features

- 12V- 3V dc converter power supply input voltage DC 12V; output voltage DC 3V; output current 3A; output power 9W.
- DC-DC 12v to 3v car power converter intelligent microprocessing chip, over voltage, over current, over temperature, short circuit, it can be auto protection, and can work in normal condition when restored.
- 12V to 3V dc converter car power voltage aluminum case and silicone sealed design make it suitable for use in various harsh environments, high conversion efficiency, low heat generation, good heat dissipation, more durable.
- 12v to 3v DC step down buck converter compatible with car audio, car LED display, car DVD,hard disk player,dashcam,solar panel,LED strip lights,LED display,electric fan,camera,light.
- Attention: Please install according to the the label strictly, positive pole and nagative pole can't be reversed, or the module and device might be damaged, to assure this converter has the sufficient voltage and power pls make sure the voltage and power input is enough.

## Product Details

- **Brand:** FBHDZVV
- **Power Source:** Corded Electric
- **Mounting Type:** Portable
- **Current Rating:** 3 Amps
- **Specification Met:** CE, FCC, UL

## Images

![12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat - Image 1](https://m.media-amazon.com/images/I/51fHHYwClTL.jpg)
![12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat - Image 2](https://m.media-amazon.com/images/I/61X0s0qMGNL.jpg)
![12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat - Image 3](https://m.media-amazon.com/images/I/61GeNEVj9HL.jpg)
![12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat - Image 4](https://m.media-amazon.com/images/I/71aesCOefdL.jpg)
![12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat - Image 5](https://m.media-amazon.com/images/I/61KydQ-VZNL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product,small so can be mounted near or on your motorcycle  battery
*by S***I on July 2, 2025*

Wired it to use with my heated motorcycle jacket seems to work fine.Wired directly to my battery with on/off switch and a 7.5amp fuse. Product is good to use with limited space near or on your battery

### ⭐⭐⭐⭐⭐ works great for USB power in a car.
*by N***R on June 17, 2025*

Made the old 05Ranger cell phone friendly.

### ⭐⭐⭐⭐ They work!
*by U***Y on May 15, 2023*

I used these for a headlight project.They work well I needed to reduce the power to my daytime running lights so they didn't run at full power.So far they run reliably and manage heat well.The small size it and asset.The wire layout also worked foe what I needed it to.

## Frequently Bought Together

- 12v to 3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A 9W Waterproof Car Converter Compatible with Led Light Car Truck Boat
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**Shop now:** [https://www.desertcart.bo/products/456922781-12v-to-3v-converter-dc-step-down-buck-voltage-regulator](https://www.desertcart.bo/products/456922781-12v-to-3v-converter-dc-step-down-buck-voltage-regulator)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-03*