---
product_id: 476148528
title: "4.2V 1A 1000mA Power Supply Adapter AC to DC Power Supply Transformer 5.5mmx2.5mm DC Plug"
brand: "mtytot"
price: "97 zł"
currency: PLN
in_stock: true
reviews_count: 8
url: https://www.desertcart.pl/products/476148528-4-2v-1a-1000ma-power-supply-adapter-ac-to-dc
store_origin: PL
region: Poland
---

# 1A Max Current 4.2V Output Multi-Protection 4.2V 1A 1000mA Power Supply Adapter AC to DC Power Supply Transformer 5.5mmx2.5mm DC Plug

**Brand:** mtytot
**Price:** 97 zł
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Your Passion with Safety and Style!

## Quick Answers

- **What is this?** 4.2V 1A 1000mA Power Supply Adapter AC to DC Power Supply Transformer 5.5mmx2.5mm DC Plug by mtytot
- **How much does it cost?** 97 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/476148528-4-2v-1a-1000ma-power-supply-adapter-ac-to-dc)

## Best For

- mtytot enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Equipped with over-current, over-voltage, and short circuit protection for peace of mind.
- • **Durable Design:** Crafted from fire-resistant PC + ABS materials for enhanced durability and safety.
- • **LED Alert System:** Flashing red LED indicates protection mode, keeping you informed at all times.
- • **Universal Compatibility:** Perfect for a variety of devices including aircraft models and remote control toys.
- • **Power Up with Confidence:** Designed for devices requiring 4.2V and 1A, ensuring optimal performance.

## Overview

This 4.2V 1A Power Supply Adapter is a versatile and reliable solution for powering various devices, featuring multiple safety protections and a durable design, making it ideal for hobbyists and professionals alike.

## Description

Full description not available

## Features

- Input: 100-240 V AC 50/60 Hz; Output: DC 4.2V 1A(1000mA) MAX .
- DC plug size: 5.5mmx2.5mm ; Inside diameter is positive” +”,outer diameter is negative” - “; Please confirm whether the DC interface of this adapter matches the interface of your device before purchasing.
- This product has many kinds of protection functions, With over-current protection, over-voltage protection, overcharge protection, short circuit protection.enter the protection mode, LED lights will flashing red light. When this happens, unplug the adapter immediately and check if the circuit is short-circuited, if the electrical power exceeds the rated power of the adapter, etc.
- Built in high quality electronic components which improve the longer service life and make the adapter more reliable. The outer shell of adapter are made of fire-resistant materials, PC + ABS, be able to withstand high temperatures.
- the adapter used for the aircraft model aircraft, remote control airplanes, electric cars and other toy model aircraft / Less than 1A

## Product Details

- **Brand:** MTYTOT
- **Connectivity Technology:** DC Barrel
- **Connector Type:** Barrel Connector
- **Compatible Devices:** PC
- **Included Components:** 4.2v 1A lithium battery charger
- **Special Feature:** Short_circuit_protection
- **Color:** Black
- **Input Voltage:** 240 Volts (AC)
- **Mounting Type:** Wall Mount
- **Amperage:** 1 Amps

## Images

![4.2V 1A 1000mA Power Supply Adapter AC to DC Power Supply Transformer 5.5mmx2.5mm DC Plug - Image 1](https://m.media-amazon.com/images/I/61JI7VPCG8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 4.2 volt works great for 3 battery led lights. 5 volt and USB is burns them out.
*by J***N on April 3, 2025*

4.2 volt is perfect voltage for my led light project. 5 volt unit burned them out.

### ⭐⭐⭐⭐⭐ Works great
*by M***K on February 1, 2025*

Used it to replace 3 AA batteries for some decorative lighting.

### ⭐⭐⭐⭐⭐ It works
*by A***E on July 3, 2024*

Perfect for my needs. Small and has not even gotten warm. It works no problems. It handles the load of charging bicycle head light battery packs easily

## Frequently Bought Together

- MTYTOT 4.2V 1A 1000mA Power Supply Adapter AC to DC Power Supply Transformer 5.5mmx2.5mm DC Plug
- 3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 5.5mmx 2.5mm Plug 3V 1A AC/DC Power Supply Transformer
- 4.5V 1Amp AC to DC Adapter Power Supply, 4.5W 1000ma AC 100-240V to 4.5V, 2.5mm X 5.5mm Plug(Pay Attention to The Size. Make Sure it Works for Your Products)

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**Shop now:** [https://www.desertcart.pl/products/476148528-4-2v-1a-1000ma-power-supply-adapter-ac-to-dc](https://www.desertcart.pl/products/476148528-4-2v-1a-1000ma-power-supply-adapter-ac-to-dc)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-16*