--- product_id: 272637235 title: "1 Piece 12v to 5v Dc Converter Buck Module USB Output Power Adapter Dc Car Power Converter Regulator" brand: "weewooday" price: "€ 18.46" currency: EUR in_stock: true reviews_count: 10 category: "Weewooday" url: https://www.desertcart.hr/products/272637235-1-piece-12v-to-5v-dc-converter-buck-module-usb store_origin: HR region: Croatia --- # 96% conversion efficiency 3A max output current 12V to 5V stable DC output 1 Piece 12v to 5v Dc Converter Buck Module USB Output Power Adapter Dc Car Power Converter Regulator **Brand:** weewooday **Price:** € 18.46 **Availability:** ✅ In Stock ## Summary > 🔌 Power your ride with precision and protection — never miss a charge! ## Quick Answers - **What is this?** 1 Piece 12v to 5v Dc Converter Buck Module USB Output Power Adapter Dc Car Power Converter Regulator by weewooday - **How much does it cost?** € 18.46 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/272637235-1-piece-12v-to-5v-dc-converter-buck-module-usb) ## Best For - weewooday enthusiasts ## Why This Product - Trusted weewooday brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Safety Shield:** Built-in intelligent chip protects against overvoltage, overcurrent, overheating, and short circuits. - • **Robust 3A Output Current:** Delivers up to 15W power, perfect for powering multiple USB devices reliably. - • **Durable & Weather-Resistant:** Flame-retardant, dustproof, shockproof casing ensures reliable performance in harsh environments. - • **Versatile USB Compatibility:** Seamlessly powers GPS, dash cams, car radios, LED displays, and more with stable 5V USB output. - • **Ultra-Efficient Power Conversion:** Maximize energy with a 96% conversion rate, minimizing waste and heat. ## Overview The Weewooday 12V to 5V DC Buck Converter is a compact, high-efficiency power adapter designed for automotive and electronic applications. Featuring a 96% conversion rate and a maximum 3A output, it delivers stable 5V USB power with intelligent multi-layer protection against electrical faults. Its rugged, flame-retardant casing ensures durability in tough conditions, making it ideal for powering GPS units, dash cams, LED displays, and more. ## Description Product description Intelligent Processing Chip Short circuit protection, overpressure protection, overcurrent protection, overheat protection and automatic recovery. High conversion Using integrated switching thin regulator module manufacturing, the conversion rate is as high as 96%. High-efficiency synchronous voltage stabilization technology. Low power consumption, fast heat dissipation, low heat generation. Water proof, Damp proof, Shock proof Use flame-retardant plastic shell, epoxy resin potting, dustproof and shockproof, no worry of using in harsh environments. Review: Works to power a Solar powered Christmas lights on wreath of truck radiator. - Using this to power a set of solar Christmas lights on my old truck-mounted wreath on the front. Similar voltage and working great. Review: Quality Part !!!! - Worked great ## Features - Parameter: these usb buck module input voltage range DC 12V and output voltage default DC 5V, the maximum output current is 3A, no-load current is 10mA and the maximum output power will reach 15W; NOTE: please connect the wires according to the instructions; Do not connect them in reverse or with poor contact, as this could damage the adapter and cause a red fuse to blow; After connecting the wires, wrap them with insulating tape to prevent any peeling - USB and high conversion: this DC to DC converter module has USB charging ports, DC to DC buck converter has integrated switch thin regulator module, the conversion rate is as high as 96% - Intelligent protection: this 12V to 5V DC converter is using intelligent microprocessing chip, over voltage, over current, over temperature and short circuit, it can be auto protection - Wide application: DC converter module 12V to 5V is widely applied for GPS navigation, driving recorder, electronic dog, car radio, MP3, MP4, walkie talkie, surveillance system, bus display, taxi advertising screen, LCD TV, LED, etc. - Warm Prompt: the power of devices must be lower than 15W when using this DC to DC converter 12V to 5V, and not compatible with partial phones ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08RBWX2GL | | Best Sellers Rank | #25,613 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #108 in Power Converters | | Brand | Weewooday | | Color | Black | | Customer Reviews | 4.6 out of 5 stars 670 Reviews | | Input Voltage | 12 Volts | | Item Weight | 1.76 Ounces | | Manufacturer | Weewooday | | Model Number | 3cfdafe5-a7a5-425a-a9d2-8f453960be5a | | Number of Outlets | 1 | | Output Voltage | 5 Volts | | Plug Format | Type C | | Plug Type | Type C | | Power Source | DC power supply | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Weewooday - **Color:** Black - **Input Voltage:** 12 Volts - **Item Weight:** 1.76 Ounces - **Output Voltage:** 5 Volts ## Images ![1 Piece 12v to 5v Dc Converter Buck Module USB Output Power Adapter Dc Car Power Converter Regulator - Image 1](https://m.media-amazon.com/images/I/6101QMkXIfL.jpg) ## Available Options This product comes in different **Item Package Quantity** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works to power a Solar powered Christmas lights on wreath of truck radiator. *by M***1 on March 30, 2026* Using this to power a set of solar Christmas lights on my old truck-mounted wreath on the front. Similar voltage and working great. ### ⭐⭐⭐⭐⭐ Quality Part !!!! *by M***B on March 24, 2026* Worked great ### ⭐⭐⭐⭐⭐ Makes dash cam and accessory install easy *by J***Y on May 28, 2026* This thing is wonderful. Used it to hardwire a dash cam into my truck ## Frequently Bought Together - Weewooday 12v to 5v Dc Converter Buck Module USB Output Power Adapter Dc Car Power Converter Regulator(1 Piece) - SinoTrack Digital GPS Speedometer Universal Heads Up Display for Car 5.5 inch Large LCD Display HUD with MPH Speed Fatigued Driving Alert Overspeed Alarm Trip Meter for All Vehicle - GUGUMO GPS Digital Speedometer for Car MPH, Universal HUD Speed Meter with LED Large Font Head Up Display Car Accessories with USB Cable, Plug Play for Car Truck Motor SUV Golf Cart All Vehicles --- ## 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.hr/products/272637235-1-piece-12v-to-5v-dc-converter-buck-module-usb](https://www.desertcart.hr/products/272637235-1-piece-12v-to-5v-dc-converter-buck-module-usb) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-07*