--- product_id: 744818160 title: "3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc." brand: "cysljoyful" price: "€ 26.16" currency: EUR in_stock: false url: https://www.desertcart.pt/products/744818160-3v-1a-power-adapter-supply-3w-ac-dc-adapter-100 store_origin: PT region: Portugal --- # 3V 1A stable output 5.5mm x 2.5mm DC plug 5-fold safety protections 3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. **Brand:** cysljoyful **Price:** € 26.16 **Availability:** ❌ Out of Stock ## Summary > 🔋 Power your essentials with confidence and style! ## Quick Answers - **What is this?** 3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. by cysljoyful - **How much does it cost?** € 26.16 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/744818160-3v-1a-power-adapter-supply-3w-ac-dc-adapter-100) ## Best For - cysljoyful enthusiasts ## Why This Product - Trusted cysljoyful brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Ready:** Standard 5.5mm x 2.5mm DC plug with polarity clearly defined, ensuring hassle-free setup. - • **Compact & Convenient:** Lightweight 60g design with a 93cm power cord for flexible placement. - • **Built-in Safety Suite:** Equipped with over-temperature, short-circuit, undervoltage, overvoltage, and overcurrent protections for peace of mind. - • **Precision Power Delivery:** Delivers a steady 3V at 1A, ideal for sensitive mini devices like fans and speakers. - • **Universal Voltage Compatibility:** Works seamlessly from 100V to 240V AC, perfect for global use. ## Overview The Cysljoyful 3V 1A Power Adapter is a compact, lightweight AC/DC transformer designed for mini electronic devices. It supports a wide input voltage range (100-240V) and outputs a stable 3V at 1A through a standard 5.5mm x 2.5mm DC plug. With a 93cm power cord and comprehensive five-fold safety protections, it ensures reliable and safe power delivery for devices like mini fans, speakers, and electric toothbrushes. ## Description 3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. ## Features - DC 3V Power Cord comes with 5.5mm x 2.5mm DC Plug. The outer diameter 5.5mm, inner 2.5mm. The polarity: Outside is negative '-', inside is positive '+'. - 93cm/37in Power Cord Length. Please kindly confirm if the length can meet your demand before making a buying. - 3V 1A Power Supply, can be used for Mini Fan Speaker Electric Toothbrush Fountains etc. Please kindly confirm the voltage of your devices. - Five protections and safety guarantees: over-temperature-protection, short -circuit-protection, undervoltage-protection, overvoltage-protection, overcurrent-protection - AC Input:100-240V 50-60Hz, DC Output: 3V 1A 3W. We recommend to use less than 80% of the full load. DO NOT OVERLOAD! ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Cysljoyful | | Manufacturer | changyun | | Model | chy-0301-us-01 | | Package Dimensions | 9.4 x 7.8 x 2.9 cm; 60 g | | Item model number | chy-0301-us-01 | | Compatible Devices | Cameras, Speakers | | Special Features | Short Circuit Protection | | Mounting Hardware | 1x 3V 1A Power Supply US Plug with Power Cord | | Number of items | 1 | | Wattage | 3 Watts | | Power Source | Corded Electric | | Batteries Included | No | | Batteries Required | No | | Number of Ports | 1 | | Connector Type | DC Tip | | Mounting Type | Wall Mount | | Manufacturer | changyun | | Country of Origin | USA | | Item Weight | 60 g | ## Product Details - **Brand:** Cysljoyful - **Connectivity Technology:** DC Tip - **Connector Type:** Barrel Connector - **Compatible Devices:** Cameras, Speakers - **Included Components:** 1x 3V 1A Power Supply US Plug with Power Cord - **Special Feature:** Short Circuit Protection - **Colour:** black - **Input Voltage:** 110 Volts - **Mounting Type:** Wall Mount - **Amperage:** 1 Amps ## Images ![3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. - Image 1](https://m.media-amazon.com/images/I/61PcnZw8Y0L.jpg) ![3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. - Image 2](https://m.media-amazon.com/images/I/71F8Hwu3VtL.jpg) ![3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. - Image 3](https://m.media-amazon.com/images/I/51jHhfZ3f9L.jpg) ![3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. - Image 4](https://m.media-amazon.com/images/I/51lS9BqEqCL.jpg) ![3V 1A Power Adapter Supply 3W AC/DC Adapter 100-240V 50/60Hz to DC 3V 1A Power Supply Transformer with 5.5mm x 2.5mm US Plug for Mini Fan Speaker Electric Toothbrush Fountains etc. - Image 5](https://m.media-amazon.com/images/I/6109ZfSVy0L.jpg) --- ## 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.pt/products/744818160-3v-1a-power-adapter-supply-3w-ac-dc-adapter-100](https://www.desertcart.pt/products/744818160-3v-1a-power-adapter-supply-3w-ac-dc-adapter-100) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-18*