--- product_id: 476148528 title: "4.2V 1A AC/DC Power Supply Adapter" brand: "mtytot" price: "£8.56" currency: GBP in_stock: true reviews_count: 9 category: "Mtytot" url: https://www.desertcart.co.uk/products/476148528-4-2v-1a-ac-dc-power-supply-adapter store_origin: GB region: United Kingdom --- # 4.2V DC output for precise power 5.5mm x 2.5mm DC plug, perfect fit Built-in multi-layer safety protection 4.2V 1A AC/DC Power Supply Adapter **Brand:** mtytot **Price:** £8.56 **Availability:** ✅ In Stock ## Summary > 🔋 Power up smartly — never miss a charge, never miss a moment! ## Quick Answers - **What is this?** 4.2V 1A AC/DC Power Supply Adapter by mtytot - **How much does it cost?** £8.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/476148528-4-2v-1a-ac-dc-power-supply-adapter) ## 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 - • **Precision Plug Fit:** 5.5mm x 2.5mm barrel plug with correct polarity ensures seamless device connection - • **Universal AC Input:** Supports 100-240V AC at 50/60Hz for global compatibility - • **Advanced Safety Suite:** Over-current, over-voltage, short circuit & overcharge protections keep your devices safe - • **Reliable 4.2V 1A Output:** Delivers steady 1000mA current ideal for low-power devices - • **Durable Fire-Resistant Shell:** PC + ABS casing withstands high temperatures for long-lasting reliability ## Overview The MTYTOT 4.2V 1A Power Supply Adapter is a compact, globally compatible AC to DC transformer designed for low-current electronics. Featuring a precise 5.5mm x 2.5mm DC plug and robust multi-layer safety protections, it ensures reliable, safe charging for devices like LED lights, routers, and battery-powered gadgets. Its fire-resistant casing and continuous load management extend service life, making it the go-to power solution for professionals who demand efficiency and peace of mind. ## Description Buy MTYTOT 4.2V 1A 1000mA Power Supply Adapter AC to DC Power Supply Transformer 5.5mmx2.5mm DC Plug: Everything Else - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Works well to charge trouble light battery - This is a replacement charger for a 4.2V trouble light. It seems to work perfectly; red light when charging, green light when charged Review: This is an exact replacement for sunspot coonlights . - Works perfect for sunspot coon hunting lamps . ## Features - AC-DC Adapter: 100-240 V AC 50/60 Hz; Output: DC 4.2V 1A(1000mA) MAX. Designed for low-current devices (160mA-1A); keep continuous load under 80% of rated capacity for longer service life. - Check Compatibility:4.2V Power Adapter with a 5.5mm x 2.5mm DC plug ; Inside diameter is positive” +”,outer diameter is negative” - “; Confirm your device requires 4.2V DC, draws 1A (1000mA) or less, and matches this plug size & polarity before ordering. - Built-In Safety Protection: This product has many kinds of protection functions, With over-current protection, over-voltage protection, overcharge protection, short circuit protection. - Wide Applicability: Designed for small electronic devices that require 4.2V DC and 1A (1000mA) or less—such as low-power cameras, LED lights, routers, and other home appliances. To confirm a match, check the voltage and plug size printed on your original adapter or device label. - Built-In Safety Protection:Built in high quality electronic components which improve the longer service life and make the adapter more reliable. The outer shell of adapter are made of fire-resistant materials, PC + ABS, be able to withstand high temperatures. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09X45L332 | | Amperage | 1 A | | Best Sellers Rank | #118,291 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #453 in Power Converters | | Brand | MTYTOT | | Built-In Media | 4.2V 1A Lithium Battery Charger | | Color | Black | | Compatible Devices | PC | | Compatible Power Plug Type | Type A - 2 pin (North American) | | Connectivity Technology | DC Barrel | | Connector Type | Barrel Jack | | Current | AC to DC | | Current Rating | 1 A | | Customer Package Type | Flat Free Package | | Customer Reviews | 4.6 out of 5 stars 118 Reviews | | Enclosure Material | Plastic | | Form Factor | Rectangular power adapter | | Frequency Range | 50/60 Hz | | Included Components | 4.2V 1A Lithium Battery Charger | | Input Voltage | 240 volts_of_alternating_current | | Item Weight | 0.04 kg | | Main Power Connector Type | 2 Pin | | Manufacturer | BIYANGXIANJIEYISHANGMAOYOUXIANGONGSI | | Mfr Part Number | 8ded553d-debd-4e1e-90dd-76d73c145cc7 | | Model Number | MYT04.201BK | | Mounting Type | Wall Mount | | Number of Items | 1 | | Number of Power Levels | 1 | | Output Current | 1 A | | Output Voltage | 4.2 volts_of_direct_current | | Plug Type | DC Barrel | | Power Plug | Type A - 2 pin (North American) | | Power Source | Corded Electric | | Special Feature | Short Circuit Protection | | Special Features | Short Circuit Protection | | Specification Met | Ma | | Unit Count | 1 Count | | Wattage | 1 watts | ## Product Details - **Amperage:** 1 A - **Brand:** MTYTOT - **Color:** Black - **Compatible Devices:** PC - **Connector Type:** Barrel Jack - **Included Components:** 4.2V 1A Lithium Battery Charger - **Input Voltage:** 240 volts_of_alternating_current - **Number of Items:** 1 - **Special Feature:** Short Circuit Protection - **Wattage:** 1 watts ## Images ![4.2V 1A AC/DC Power Supply Adapter - Image 1](https://m.media-amazon.com/images/I/61JI7VPCG8L.jpg) ![4.2V 1A AC/DC Power Supply Adapter - Image 2](https://m.media-amazon.com/images/I/41zDrP1iWvL.jpg) ![4.2V 1A AC/DC Power Supply Adapter - Image 3](https://m.media-amazon.com/images/I/61WEKv19vuL.jpg) ![4.2V 1A AC/DC Power Supply Adapter - Image 4](https://m.media-amazon.com/images/I/712nmCU4lNL.jpg) ![4.2V 1A AC/DC Power Supply Adapter - Image 5](https://m.media-amazon.com/images/I/61QntLV3YLL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well to charge trouble light battery *by S***7 on July 30, 2026* This is a replacement charger for a 4.2V trouble light. It seems to work perfectly; red light when charging, green light when charged ### ⭐⭐⭐⭐⭐ This is an exact replacement for sunspot coonlights . *by C***N on June 23, 2026* Works perfect for sunspot coon hunting lamps . ### ⭐⭐⭐⭐⭐ Good replacement of original *by D***J on August 1, 2026* A great replacement ## Frequently Bought Together - MTYTOT 4.2V 1A 1000mA Power Supply Adapter AC to DC Power Supply Transformer 5.5mmx2.5mm DC Plug - 3V 1Amp Power Adapter Supply 100-240 AC to DC 3Volt 1000mA 5.5mmx 2.5mm Plug 3V 1A AC/DC Power Supply Transformer - 4.5V 1Amp AC to DC Adapter Power Supply, 4.5W 1000ma AC 100-240V to 4.5V, 2.5mm X 5.5mm Plug(Pay Attention to The Size. Make Sure it Works for Your Products) --- ## 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.co.uk/products/476148528-4-2v-1a-ac-dc-power-supply-adapter](https://www.desertcart.co.uk/products/476148528-4-2v-1a-ac-dc-power-supply-adapter) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-08-30*