---
product_id: 506058104
title: "21V 1A Charger"
brand: "mtytot"
price: "€ 21.65"
currency: EUR
in_stock: null
reviews_count: 8
url: https://www.desertcart.fi/products/506058104-21v-1a-charger
store_origin: FI
region: Finland
---

# 1A Max Current 21V Output Multiple Protections 21V 1A Charger

**Brand:** mtytot
**Price:** € 21.65
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Your Passion with Safety and Style!

## Quick Answers

- **What is this?** 21V 1A Charger by mtytot
- **How much does it cost?** € 21.65 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/506058104-21v-1a-charger)

## 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 to keep your devices safe.
- • **Generous Cord Length:** Enjoy flexibility with a 3FT (92cm) cord, giving you the freedom to position your devices just right.
- • **Power Up with Precision:** Experience a stable 21V output with a tolerance of ±0.2V for all your devices.
- • **Versatile Compatibility:** Designed with a 5.5mm x 2.5mm plug, compatible with various devices—just double-check your specs!
- • **Smart Charging Indicators:** LED indicators guide you through charging phases—green for no-load, red for charging, and green again when fully charged.

## Overview

The 21V 1000mA Power Adapter Supply is a versatile and reliable power solution, featuring a wide input range of 100-240V AC and a robust output of 21V DC. With multiple safety protections and smart LED indicators, this adapter ensures your devices are charged efficiently and safely. Its 3FT cord length provides flexibility, making it an essential accessory for any tech-savvy professional.

## Description

21V 1000mA Power Adapter Supply AC to DC 21 Volt 1A 800mA 450mA Power Supply Transformer 5.5mmx2.5mm us Plug

## Features

- Input: 100-240 V AC 50/60 Hz; Cord Length: about 92cm(3FT).
- Output: DC 21V ± 0.2V 1A max; less than 1000mA. such as 450mA, 800mA, 950mA, 1.0A,.
- DC plug size: The DC output port specification of this adapter is 5.5x2.5mm compatible with 5.5x2.1mm (Inside diameter is positive” +”,outer diameter is negative” - “), which is not suitable for other specifications of the interface. .Please confirm whether the DC interface of this adapter matches the interface of your device before purchasing.If the two do not match, it will not work!!!
- 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.
- No-load status LED is green;Charging, the first phase of constant current charging, LED indicator is red. Charge to the rated voltage into the second phase of constant voltage charging, the current slowly decreases. When the battery power reaches 90-95%, LED lights turn green. At this point the charger will continue to charge with a small current until it is full.

## Product Details

- **Brand:** MTYTOT
- **Connector Type:** Barrel Connector
- **Compatible Devices:** 21V AC\DC ADAPTER,Router, Speakers, Cameras, LED Strip Lights,
- **Included Components:** 1X 21v lithium battery charger
- **Special Feature:** Short Circuit Protection
- **Color:** Black
- **Input Voltage:** 240 Volts (AC)
- **Amperage:** 1 Amps
- **Wattage:** 21 watts
- **Number of Items:** 1

## Images

![21V 1A Charger - Image 1](https://m.media-amazon.com/images/I/61JCveEy4BL.jpg)
![21V 1A Charger - Image 2](https://m.media-amazon.com/images/I/71wOl7fCrtL.jpg)
![21V 1A Charger - Image 3](https://m.media-amazon.com/images/I/71bx7AtlNZL.jpg)
![21V 1A Charger - Image 4](https://m.media-amazon.com/images/I/71i-MvcCFQL.jpg)
![21V 1A Charger - Image 5](https://m.media-amazon.com/images/I/61mcu1GH1sL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A GOOD VALUE
*by D***N on July 12, 2025*

Works great to charge my mini chainsaw batteries.

### ⭐⭐⭐⭐⭐ Good charger at a good price
*by S***H on December 15, 2024*

Used this to update an old RYOBI ni-cad charger so I could charge the ni-cad battery I had converted to li-ion. Worked great.

### ⭐⭐⭐⭐ Great replacement
*by T***H on February 10, 2024*

Works great for replacement on bad charger in my electric grease gun kit.

## Frequently Bought Together

- MTYTOT 21V 1000mA Power Adapter Supply AC to DC 21 Volt 1A 800mA 450mA Power Supply Transformer 5.5mmx2.5mm us Plug
- 21V 1A Universal Lithium Battery Charger AC/DC Adapter Power Supply Cord 24Volt 1000mA 800mA 500mA Switching Transformer with 5.5×2.5/2.1mm Plug Jaks for Infant Monitor CCTV Cameras

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**Shop now:** [https://www.desertcart.fi/products/506058104-21v-1a-charger](https://www.desertcart.fi/products/506058104-21v-1a-charger)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-09*