---
product_id: 577389721
title: "12v to 3.3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A Waterproof Car Converter Compatible with Led Light Car Truck Boat"
brand: "fbhdzvv"
price: "E£ 1747"
currency: EGP
in_stock: true
category: "Fbhdzvv"
url: https://www.desertcart.com.eg/products/577389721-12v-to-3-3v-converter-dc-step-down-buck-voltage
store_origin: EG
region: Egypt
---

# 3A Output Current 12V to 3.3V Step-Down Multi-layer Protection 12v to 3.3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A Waterproof Car Converter Compatible with Led Light Car Truck Boat

**Brand:** fbhdzvv
**Price:** E£ 1747
**Availability:** ✅ In Stock

## Summary

> 🔌 Step down in voltage, step up your power game!

## Quick Answers

- **What is this?** 12v to 3.3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A Waterproof Car Converter Compatible with Led Light Car Truck Boat by fbhdzvv
- **How much does it cost?** E£ 1747 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/577389721-12v-to-3-3v-converter-dc-step-down-buck-voltage)

## 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

- • **Compact Yet Mighty:** Delivers a stable 3A output current at 3.3V, perfect for powering sensitive LED lights and electronics on the go.
- • **Plug & Play Confidence:** Clear wiring labels and robust safety features mean easy installation without the fear of damaging your gear.
- • **Power Your Devices Safely:** Intelligent microprocessor chip guards against overvoltage, overcurrent, short circuit, and overheating for uninterrupted performance.
- • **Built to Brave the Elements:** Durable aluminum casing with silicone sealing ensures waterproof protection for rugged car, truck, or boat use.
- • **Ultra-Efficient Energy Conversion:** Achieves 90%-97% conversion efficiency to minimize energy loss and reduce heat generation.

## Overview

This 12V to 3.3V DC step-down buck converter delivers a reliable 3A output with up to 97% efficiency. Encased in waterproof aluminum with silicone sealing, it’s engineered for harsh environments like cars, trucks, and boats. Featuring intelligent microprocessor protection against overvoltage, overcurrent, short circuits, and overheating, it ensures safe, stable power for your LED lights and sensitive electronics.

## Description

Input voltage: DC 12V Output voltage: DC 3.3v Output current: 3A Output power: 18W 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 3.3v step down buck converter

## Features

- 12V- 3.3v dc converter power supply input voltage DC 12V; output voltage DC 3.3v; output current 3A
- DC-DC 12v to 3.3v 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 3.3v 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.
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C72C12NL |
| Best Sellers Rank | #164,598 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #657 in Power Converters |
| Brand Name | FBHDZVV |
| Current Rating | 3 A |
| Customer Reviews | 4.7 4.7 out of 5 stars (4) |
| Manufacturer | FBHDZVV |
| Model | 731905935509 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Specification Met | CE, FCC, UL |
| UPC | 731905935509 |

## Product Details

- **Brand:** FBHDZVV
- **Current Rating:** 3 A
- **Number of Items:** 1
- **Power Source:** Battery Powered
- **Specification Met:** CE, FCC, UL

## Images

![12v to 3.3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A Waterproof Car Converter Compatible with Led Light Car Truck Boat - Image 1](https://m.media-amazon.com/images/I/518JZPGa0cL.jpg)

## Available Options

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

## Frequently Bought Together

- 12v to 3.3v Converter DC Step Down Buck Voltage Regulator DC Transformer Power Supply 3A Waterproof Car Converter Compatible with Led Light Car Truck Boat
- 12V to 5V DC Converter Car Power Voltage, Waterproof DC 6.3-22V 12V Step Down to DC 5V 3A 15W Voltage Regulator Buck Converter Power Supply Step-Down Module Compatible with Vehicle Car Truck Volt

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**Shop now:** [https://www.desertcart.com.eg/products/577389721-12v-to-3-3v-converter-dc-step-down-buck-voltage](https://www.desertcart.com.eg/products/577389721-12v-to-3-3v-converter-dc-step-down-buck-voltage)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-10-24*