--- product_id: 338462848 title: "12V 3A AC Adapter Power Supply" brand: "litstar" price: "€ 22.76" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.gr/products/338462848-12v-3a-ac-adapter-power-supply store_origin: GR region: Greece --- # 12V 3A stable output Dual barrel jack 5.5x2.1mm & 2.5mm Multi-layer safety protections 12V 3A AC Adapter Power Supply **Brand:** litstar **Price:** € 22.76 **Availability:** ✅ In Stock ## Summary > 🔋 Power up smart, stay protected, and never miss a beat! ## Quick Answers - **What is this?** 12V 3A AC Adapter Power Supply by litstar - **How much does it cost?** € 22.76 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/338462848-12v-3a-ac-adapter-power-supply) ## 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 - • **Durability meets design:** Flame-retardant, shock-resistant shell built to withstand daily wear and emergency mishaps. - • **Built-in fortress of safety:** Advanced protections guard against short circuits, overcurrent, overvoltage, and overheating for worry-free use. - • **Plug & play with confidence:** Universal barrel jack sizes (5.5x2.1mm & 2.5mm) with positive center polarity ensure perfect compatibility. - • **Flexible reach for your setup:** 3.3ft power cord offers convenient length to power your devices without clutter or strain. - • **Power that adapts to your device:** Intelligent output from 0.1A to 3A fits a wide range of 12V electronics seamlessly. ## Overview This 12V 3A AC adapter delivers reliable, constant current power with intelligent output ranging from 0.1A to 3A, compatible with a broad spectrum of 12V devices. Featuring dual barrel jack sizes (5.5x2.1mm & 2.5mm) and positive center polarity, it ensures seamless plug-and-play connectivity. Engineered with comprehensive safety protections including short circuit, overcurrent, overvoltage, and temperature safeguards, it guarantees device and user safety. The durable flame-retardant casing and 3.3ft cable length provide both longevity and flexible installation options, making it an essential power solution for professionals demanding dependable performance. ## Description 12 volts 3 amps adapter: Suitable for electronic products with 12V 0.1a~3a 100mA~3000mA DC power jack ( ). Sturdy flame-retardant exterior shell, protects against scratches, bumps, drops, withstands pressure and keeps internal components safe during emergencies enhanced longevity. Short Circit Protection, Temperature Protection Over Load Protection, Over Voltage Protection Over Current Protection, Over Charge Protection Built-in security chip provides comprehensive protection for you and your device. Input: 100-240V 50-60Hz Output: 12V=3A (12 Volts, 3 Amps) Plug Polarity: Inner positive (+) Outter negative (-) Plug Size: 5.5mm x 2.1mm (applicable 2.5mm) Supply Characteristics: Direct Constant Current Cable length: 3.3 feet (100 cm) 1. Please check whether the 12 volts are the same as your electronic device. 2. Applicable range 12 volts and not exceeding 3 Amps, jack is positive center. 3. Please check and compare the outer diameter size and inner diameter size of the DC jack. 4. Please check and compare the positive (+) and negative (-) polarity of the DC jack of your electronic device. 5. If you buy the wrong size and power polarity, the adapter will not work. 6. This adapter is not waterproof. If you want to use it outdoors, please set up waterproof protection. ## 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 0.1A3A 100mA3000mA (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) electronic 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 - [Cable Length]: Features a 3.3ft power cord providing convenient reach and flexibility for connecting your 12V devices to power outlets ## Technical Specifications | Specification | Value | |---------------|-------| | Amperage | 3 A | | Asin | B08CZ7Z9TB | | Brand | LitStar | | Built In Media | AC Power Supply Adapter | | Color | Black | | Compatible Devices | Cameras, Speakers | | Compatible Power Plug Type | Type A - 2 pin (North American) | | Connectivity Technology | DC Barrel | | Connector Type | Barrel Connector | | Current | DC | | Current Rating | 3 A | | Customer Reviews | 4.4 4.4 out of 5 stars (412) 4.4 out of 5 stars | | Enclosure Material | Plastic | | Frequency Range | 60 hertz | | Input Voltage | 240 volts | | Item Weight | 0.12 kg | | Main Power Connector Type | 2 Pin | | Manufacturer | LitStar | | Mounting Type | Wall Mount | | Number Of Items | 1 | | Number Of Power Levels | 1 | | Output Current | 3 A | | Output Voltage | 12 volts | | Power Plug | Type A - 2 pin (North American) | | Power Source | Corded Electric | | Special Features | Short Circuit Protection | | Specification Met | CCC, CE | | Unit Count | 1 Count | | Upc | 783907549932 | | Warranty Description | 18 Months | | Wattage | 36 watts | ## Product Details - **Amperage:** 3 A - **Brand:** LitStar - **Color:** Black - **Compatible Devices:** Cameras, Speakers - **Connector Type:** Barrel Connector - **Included Components:** AC Power Supply Adapter - **Input Voltage:** 240 volts - **Number of Items:** 1 - **Special Feature:** Short Circuit Protection - **Wattage:** 36 watts ## Images ![12V 3A AC Adapter Power Supply - Image 1](https://m.media-amazon.com/images/I/51citBBNsXL.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 ### ⭐⭐⭐⭐⭐ Perfect replacement *by on Reviewed in the United States July 18, 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 on Reviewed in the United States July 19, 2026* Works great!!! ### ⭐⭐⭐⭐⭐ It works *by on Reviewed in the United States July 2, 2026* It works with my intended item, shiatsu chair pad ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/338462848-12v-3a-ac-adapter-power-supply](https://www.desertcart.gr/products/338462848-12v-3a-ac-adapter-power-supply) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-18*