--- product_id: 289991197 title: "Weewooday Direct Current Converter 12v to 5v 3a 15w Buck Converter Module, Reduced Voltage Regulator Car Power Output Power Adapter, Wire Interface(1 Piece)" brand: "weewooday" price: "¥2805" currency: JPY in_stock: true category: "Weewooday" url: https://www.desertcart.jp/products/289991197-weewooday-direct-current-converter-12v-to-5v-3a-15w-buck store_origin: JP region: Japan --- # 96% conversion efficiency Compact 46x28x14mm size 3A max output current Weewooday Direct Current Converter 12v to 5v 3a 15w Buck Converter Module, Reduced Voltage Regulator Car Power Output Power Adapter, Wire Interface(1 Piece) **Brand:** weewooday **Price:** ¥2805 **Availability:** ✅ In Stock ## Summary > ⚡ Power your drive with precision and protection! ## Quick Answers - **What is this?** Weewooday Direct Current Converter 12v to 5v 3a 15w Buck Converter Module, Reduced Voltage Regulator Car Power Output Power Adapter, Wire Interface(1 Piece) by weewooday - **How much does it cost?** ¥2805 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/289991197-weewooday-direct-current-converter-12v-to-5v-3a-15w-buck) ## 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 - • **Sleek Compact Design:** Small footprint (46x28x14mm) fits seamlessly into your car’s tech setup without clutter. - • **Robust 3A Output Current:** Delivers a steady 5V at up to 3A, powering your car gadgets without a hitch. - • **Smart Multi-Protection Chip:** Built-in safeguards against overvoltage, overcurrent, overheating, and short circuits for worry-free use. - • **Ultra-Efficient Power Conversion:** Maximize energy with a stellar 96% DC-DC buck conversion rate, minimizing waste and heat. - • **Versatile Automotive Compatibility:** Perfect for powering GPS, dash cams, LED displays, and more — keep your ride connected and charged. ## Overview The Weewooday 12V to 5V 3A Buck Converter Module is a compact, high-efficiency DC-DC voltage regulator designed for automotive use. Delivering up to 15W of stable power with intelligent multi-protection features, it ensures safe and reliable operation for various car electronics including GPS, dash cams, and LED displays. ## Description Features:Direct Current 12V to Direct Current 5V converter module:Input voltage: Direct Current 12VOutput voltage: 5VOutput current: 3A max.Output power: 15W max.Conversion efficiency: 96%Specifications: Color: as pictures shown Size:Module: approx. 46 x 28 x 14 mm/ 1.81 x 1.10 x 0.55 inchCable length: approx. 140 mm/ 5.51 inchPackage includes: 1 x Direct Current Converter 12V to 5V 3A 15W Direct Current buck converter moduleNote:Manual measurement, please allow slight errors on size. ## Features - 12V to 5V USB converter: input voltage: 12V DC; Output voltage: 5V; Output current: 3A (max.); No-load current: 10mA; Output power: 15W (max.) - High conversion: DC to DC buck converter features integrated switch thin regulator module, the conversion rate is as high as 96% - Intelligent protection: 12V to 5V DC converter adopts intelligent microprocessing chip, over voltage, over current, over temperature, short circuit, it can be auto protection - Wide application: DC converter module 12V to 5V is suitable for car LED display, GPS navigation, driving recorder, electronic dog, car radio, car audio, MP3/MP4, surveillance system, bus display, taxi advertising screen, driving recorder, LCD TV, LED, etc - Warm prompt: the power of the device using this DC/DC converter 12V to 5V must be less than 15W, and this converter is not compatible with partial phones ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08VHZJ3C8 | | Best Sellers Rank | 9,155 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 406 in International Power Adapters | | Brand Name | Weewooday | | Colour | black | | Country of Origin | China | | Customer Reviews | 4.4 4.4 out of 5 stars (353) | | Input Voltage | 12 Volts | | Item Dimensions | 46 x 28 x 14 millimetres | | Manufacturer | Weewooday | | Manufacturer Part Number | Weewooday-Small Animal-X219 | | Model Number | Weewooday-Small Animal-X219 | | Number of Items | 1 | | Output Voltage | 5 Volts | | Plug Type | Type A | | Power Source | Corded Electric | ## Product Details - **Brand:** Weewooday - **Colour:** black - **Input voltage:** 12 Volts - **Item dimensions L x W x H:** 46 x 28 x 14 millimetres - **Output voltage:** 5 Volts ## Images ![Weewooday Direct Current Converter 12v to 5v 3a 15w Buck Converter Module, Reduced Voltage Regulator Car Power Output Power Adapter, Wire Interface(1 Piece) - Image 1](https://m.media-amazon.com/images/I/71IL3BdHgQL.jpg) ## Available Options This product comes in different **Item Package Quantity** options. ## Questions & Answers **Q: Will this device accept a 12 volt AC input?** A: No, this is a DC-DC voltage reduction device. **Q: Is this product waterproof?** A: Yes, it is. **Q: What is the actual range of the input voltage (min, max)?** A: Hi, the input voltage range is between 8-22V. **Q: Dose this draw power when the output power is not connected?** A: No, it doesn't. ## Frequently Bought Together - Direct Current Converter 12V to 5V 3A 15W Buck Converter Module, Reduced Voltage Regulator Car Power Converter Output Power Adapter, Wire Interface (1 Piece) - 12V to 5V DC Converter Car Power Voltage, Waterproof DC 6.3-22V 12V Step Down to DC 5V 3A 15W Voltage Regulator Buck Converter Power Supply Step-Down Module Compatible with Vehicle Car Truck Volt - DROK Signal Generator, DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator --- ## 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.jp/products/289991197-weewooday-direct-current-converter-12v-to-5v-3a-15w-buck](https://www.desertcart.jp/products/289991197-weewooday-direct-current-converter-12v-to-5v-3a-15w-buck) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-18*