---
product_id: 558688475
title: "12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord"
brand: "litstar"
price: "€ 68.92"
currency: EUR
in_stock: true
reviews_count: 5
category: "Lit Star"
url: https://www.desertcart.pt/products/558688475-12v-3a-12-volts-3-amps-adapter-power-supply-ac
store_origin: PT
region: Portugal
---

# 12V 3A stable output Dual barrel jack 5.5x2.1mm & 2.5mm Multi-layer safety protection 12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord

**Brand:** litstar
**Price:** € 68.92
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smart, stay connected always.

## Quick Answers

- **What is this?** 12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord by litstar
- **How much does it cost?** € 68.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/558688475-12v-3a-12-volts-3-amps-adapter-power-supply-ac)

## Best For

- litstar enthusiasts

## Why This Product

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

## Key Features

- • **Lifetime peace of mind:** Backed by responsive customer service with replacement or full refund guarantees.
- • **Plug & play with confidence:** Universal 100-240V input and dual barrel jack sizes ensure hassle-free compatibility.
- • **Built-in safety you can trust:** Advanced short circuit, overcurrent, overvoltage, and temperature protection guards your devices.
- • **Power that adapts to your gear:** Intelligent output from 0.1A to 3A fits a wide range of 12V devices seamlessly.
- • **Versatile for your tech ecosystem:** Perfect for CCTV, LED strips, speakers, keyboards, routers, and more—keep everything powered.

## Overview

This 12V 3A AC to DC power adapter delivers a reliable 36W output with dual barrel jack compatibility (5.5x2.1mm & 2.5mm), intelligently adjusting current from 0.1A to 3A to suit a broad range of 12V electronics. Engineered with comprehensive safety features including short circuit, overcurrent, overvoltage, and temperature protection, it ensures secure and stable power delivery. Ideal for powering devices like CCTV cameras, LED lighting, speakers, and routers, it comes with a 3.3ft cord and is backed by a lifetime-friendly customer service policy for replacements or refunds.

## Description

12 Volts 3 Amps AC Power Supply Adapter

Review: Another old laptop rescued from charger limbo - Another old laptop rescued from charger limbo We had a compatible computer that was still perfectly usable except for the minor problem of not having the correct power supply. This charger fit as expected and brought it right back into service. The plug fits securely, the cord is a good practical size and the charger itself doesn't feel excessively bulky. I like being able to keep useful electronics running rather than replacing an entire device because one cord disappeared somewhere along the way. So far the quality has been completely satisfactory. Sometimes a five-star review really is just "it fit, it worked, problem solved."
Review: Perfect replacement - Works exactly as expected and powers my device without any issues. The cord is a good length, the connection is secure, and it feels well-made. Installation was simple, and it’s a great replacement power adapter for the price.

## Features

- [Power Specs]: Input 100V-240V 50/60Hz; Output: 12V 3A. Output adaptor Self-Adapting Barrel jack size: 5.5mm x 2.1mm (applicable 2.5mm) positive (+) center.
- [Intelligent Identification Output]: Fit for 12V 0.1A~3A 100mA~3000mA (E.g; 0.1a 100ma | 0.3a 300ma | 0.4a 400ma | 0.5a 500ma | 0.6a 600ma | 0.7a 700ma | 0.8a 800ma | 0.9a 900ma | 1a 1000ma | 1.5a 1500ma | 2a 2000ma | 2.5a 2500ma | 3a 3000ma) electrionic equipment.
- [Safety smart]: Built-in emergency protection mechanism with short circuit, over current, over voltage, over temperature protection.
- [Extensive Compatibility]: Suitable for CCTV Cameras, LED Strip light, led tape light, Yamaha keyboard, BT speakers, GPS, webcam, router, and more 12V electronics.
- [Lifetime friendly customer service]: If the product is not satisfied, you will get a replacement or a 100% refund.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08CZ7Z9TB |
| Amperage | 3 Amps |
| Brand | LitStar |
| Built-In Media | Tape, Adaptor, Adapter, Plug |
| Color | Black |
| Colour | Black |
| Compatible Devices | Cameras, Speakers |
| Compatible Power Plug Type | Type A - 2 pin (North American) |
| Compatible devices | Cameras, Speakers |
| Connectivity Technology | USB |
| Connector Type | Barrel Connector |
| Connector type | Barrel Connector |
| Current | DC |
| Current Rating | 3 Amps |
| Customer Reviews | 4.5 out of 5 stars 420 Reviews |
| Enclosure Material | Plastic |
| Frequency Range | 60 hertz |
| Included components | Tape, Adaptor, Adapter, Plug |
| Input Voltage | 240 Volts |
| Item Weight | 0.12 Kilograms |
| Main Power Connector Type | 2 Pin |
| Manufacturer | LitStar |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Output Current | 3 Amps |
| Output Voltage | 12 Volts |
| Portable | No |
| Power Plug | Type A - 2 pin (North American) |
| Power Source | Corded Electric |
| Special Features | Short Circuit Protection |
| Special features | Short Circuit Protection |
| Specification Met | CCC, CE |
| UPC | 783907549932 |
| Unit Count | 1.0 Count |
| Wattage | 36 watts |

## Product Details

- **Brand:** LitStar
- **Connector type:** Barrel Connector
- **Compatible devices:** Cameras, Speakers
- **Included components:** Tape, Adaptor, Adapter, Plug
- **Special features:** Short Circuit Protection
- **Colour:** Black
- **Input voltage:** 240 Volts
- **Amperage:** 3 Amps
- **Wattage:** 36 watts
- **Number of Items:** 1

## Images

![12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord - Image 1](https://m.media-amazon.com/images/I/51citBBNsXL.jpg)
![12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord - Image 2](https://m.media-amazon.com/images/I/61u7LtL2O2L.jpg)
![12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord - Image 3](https://m.media-amazon.com/images/I/61D0Ldchg8L.jpg)
![12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord - Image 4](https://m.media-amazon.com/images/I/71qEuo46L4L.jpg)
![12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord - Image 5](https://m.media-amazon.com/images/I/61TWYFAS+rL.jpg)

## Questions & Answers

**Q: Does this work with Williams allegro 2?**
A: I don’t know. Why don’t you buy it and if it doesn’t work return it.

**Q: How long is the DC cord?**
A: 3ft. 3inches Long

**Q: does this have the locking mechanism?**
A: I don’t know why don’t you buy it and if it doesn’t work return it.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Another old laptop rescued from charger limbo
*by M***H on 20 August 2026*

Another old laptop rescued from charger limbo We had a compatible computer that was still perfectly usable except for the minor problem of not having the correct power supply. This charger fit as expected and brought it right back into service. The plug fits securely, the cord is a good practical size and the charger itself doesn't feel excessively bulky. I like being able to keep useful electronics running rather than replacing an entire device because one cord disappeared somewhere along the way. So far the quality has been completely satisfactory. Sometimes a five-star review really is just "it fit, it worked, problem solved."

### ⭐⭐⭐⭐⭐ Perfect replacement
*by J***H on 18 July 2026*

Works exactly as expected and powers my device without any issues. The cord is a good length, the connection is secure, and it feels well-made. Installation was simple, and it’s a great replacement power adapter for the price.

### ⭐⭐⭐⭐⭐ Works well
*by S***R on 19 July 2026*

Works great!!!

## Frequently Bought Together

- 12V 3A [12 Volts 3 Amps] Adapter Power Supply AC to DC Plug 5.5 x 2.1mm & 2.5mm for 12volt 1A 1.5A 2A 2.5A 1000mA 1500mA 2000mA 2500mA 3000mA Equipment, 3.3ft Cord
- Arkare 12V 3A Power Supply Adapter 36W ac/dc Charger AC 100V-240V to DC 12Volt 3amp Power Cord 12V 2.5A 2A 1.5A 1A 800mA 500mA for Security Camera BT Speaker GPS Webcam Microphone Receiver with 10TIPS
- 12V 3A AC Adapter Power Supply Charger [12 Volts 3 Amps Regulated Switching Power] with 11 Interchangeable DC Plug for 500mA 600mA 700mA 800mA 900mA 1000mA 1500mA 2000mA 2500mA 3000mA Equipment

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**Shop now:** [https://www.desertcart.pt/products/558688475-12v-3a-12-volts-3-amps-adapter-power-supply-ac](https://www.desertcart.pt/products/558688475-12v-3a-12-volts-3-amps-adapter-power-supply-ac)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-11-04*