--- product_id: 594406396 title: "12V3.5A 42W Power Supply" brand: "mtdzkjg" price: "€ 21.57" currency: EUR in_stock: true reviews_count: 9 category: "Mtdzkjg" url: https://www.desertcart.sk/products/594406396-12v3-5a-42w-power-supply store_origin: SK region: Slovakia --- # 42W max power output Universal AC 100-240V input Multi-layer safety protections 12V3.5A 42W Power Supply **Brand:** mtdzkjg **Price:** € 21.57 **Availability:** ✅ In Stock ## Summary > 🔌 Power your productivity with confidence—never miss a beat! ## Quick Answers - **What is this?** 12V3.5A 42W Power Supply by mtdzkjg - **How much does it cost?** € 21.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/594406396-12v3-5a-42w-power-supply) ## Best For - mtdzkjg enthusiasts ## Why This Product - Trusted mtdzkjg brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to last:** Flame-retardant shell rated for 1382℉ and premium components ensure durability and reliability. - • **Power that keeps up:** Delivers a robust 12V 3.5A output to fuel your essential devices without a hitch. - • **Global compatibility:** Works seamlessly worldwide with AC 100-240V input—perfect for the jet-setting professional. - • **Safety first, always:** Equipped with overcurrent, overvoltage, overload, and short-circuit protections for peace of mind. - • **Versatile connectivity:** Supports multiple plug sizes (5.5mm x 2.5mm & 2.1mm) to fit a wide range of routers, speakers, and more. ## Overview The MTDZKJG 12V 3.5A Power Adapter is a high-performance, globally compatible power supply delivering up to 42W output. Designed with premium materials and comprehensive safety features, it supports a wide range of 12V devices including routers, speakers, and humidifiers. Its versatile plug compatibility and durable flame-retardant casing make it the go-to choice for professionals seeking reliable, safe, and efficient power solutions. ## Description Buy MTDZKJG 12V 3.5A Power Adapter AC 100V-240V Converter DC 12Volt 3.5Amp Wall Power Supply 12V 1000mA 1500mA 2000mA 3000mA 3500mA, for Router Speaker humidifier Equipment with 5.5mm x 2.5mm/2.1mm Tip: AC Adapters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great replacement - Works as should. Review: Works - I can finally use my extra wide monitor that has been sitting under my bed for years, cause like this little roach dog I was sitting ate the cord, so like I bought a few other cords and they didn't work. But guess what!? This cord works! And now I can sit here and write this review cause I can see the screen is on and I mounted it back up on my wall. I was using a different monitor that had only 60Hrz "Vomit Alert!'' Now I'm here with this 165Hrz big wide monitor all cause this cords works and supplies power! Thank you ## Features - 1. Input: AC 100V-240V 50/60Hz; Output: DC 12V, 3.5A 42W MAX; DC plug size is 5.5mm x 2.5mm. Compatible with 5.5mmx2.1mm. Polarity is inside positive "+", outside negative"-", Power cord length: about3ft. - 2. 12Volt 3.5A 3.0A 2.5A 2.0A 1.5A 1A Switching Power Supply, DC 42W Max, Power supply works for various of devices which ask for a less than 12.0V 3.5A 42W power adaptor, Such as 12V, 3500mA 3000mA 2500mA, 2000mA ,1500mA, 1000mA, 800mA, 700mA, 650mA, 600mA, 500mA, 450mA, 400mA, 300mA, - 3. The products adopt the industry's top materials and processes, flame retardant shell resistant to high temperature of 1382℉, premium-quality components and safe&reliable power cord. Certified by FCC, CE, RoHS, CCC, Overcurrent protection, overvoltage protection and overload protection, short-circuit protection ensure the stability and smoothness. Gives a safe charging. 3.5A, 3A, 2.5A, 2A, 1.8A, 1.5A, 1A, 0.8A, 0.7A, 0.6A, 0.5A, 0.4A, 0.3A, 0.2A, 0.1A transformer charger - 4. Widely used to drive 12V LED light strings, USB-HUB, Bluetooth speaker, wireless router, mini fountain, wifi IP home camera and other 12V devices less than 42W. - 5. Buy with confidence and 24-hours online service,Please feel free to contact with us for any questions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CCS5NSV6 | | Customer Reviews | 4.0 4.0 out of 5 stars (59) | | Date First Available | July 25, 2023 | | Item Weight | 5 ounces | | Item model number | MT-120305 | | Manufacturer | MTDZKJG | | Product Dimensions | 4 x 2.1 x 1.3 inches | ## Product Details - **Amperage:** 3.5 Amps - **Brand:** MTDZKJG - **Color:** Black - **Compatible Devices:** Cameras - **Connector Type:** Barrel Connector - **Included Components:** power adapter,DC connector - **Input Voltage:** 120 Volts - **Number of Items:** 1 - **Special Feature:** Lightweight Design - **Wattage:** 42 watts ## Images ![12V3.5A 42W Power Supply - Image 1](https://m.media-amazon.com/images/I/510+xUDau8L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great replacement *by T***E on August 6, 2025* Works as should. ### ⭐⭐⭐⭐⭐ Works *by C***N on March 3, 2024* I can finally use my extra wide monitor that has been sitting under my bed for years, cause like this little roach dog I was sitting ate the cord, so like I bought a few other cords and they didn't work. But guess what!? This cord works! And now I can sit here and write this review cause I can see the screen is on and I mounted it back up on my wall. I was using a different monitor that had only 60Hrz "Vomit Alert!'' Now I'm here with this 165Hrz big wide monitor all cause this cords works and supplies power! Thank you ### ⭐ Lasted only 8 Months. *by P***I on October 6, 2025* Plugged into an outlet surge suppressor, it worked perfectly for eight months, powering a small dehumidifier. Then it DIED. I am SO sick of faulty electronics. --- ## 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.sk/products/594406396-12v3-5a-42w-power-supply](https://www.desertcart.sk/products/594406396-12v3-5a-42w-power-supply) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-22*