--- product_id: 265479786 title: "Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece" brand: "weewooday" price: "$18.33" currency: USD in_stock: true reviews_count: 10 category: "Weewooday" url: https://www.desertcart.us/products/265479786-weewooday-12v-to-5v-dc-dc-buck-converter-3a-15w store_origin: US region: United States of America --- # 96% efficiency max Waterproof epoxy sealed 3A max output current Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece **Brand:** weewooday **Price:** $18.33 **Availability:** ✅ In Stock ## Summary > 🔌 Power your drive with precision and protection! ## Quick Answers - **What is this?** Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece by weewooday - **How much does it cost?** $18.33 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/265479786-weewooday-12v-to-5v-dc-dc-buck-converter-3a-15w) ## 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 - • **All-Weather Ready:** Encased in a waterproof epoxy housing, this converter thrives in any vehicle environment—rain or shine. - • **Smart Safety Shield:** Built-in intelligent chip guards against overvoltage, overcurrent, overheating, and short circuits for worry-free use. - • **Robust 3A Output Current:** Delivers up to 3 amps of stable power, perfect for running your essential car gadgets without a hitch. - • **Versatile Device Compatibility:** Ideal for powering GPS, dash cams, car audio, LED displays, and more—keeping your ride tech-savvy and connected. - • **Ultra-Efficient Power Conversion:** Transforms 12V to 5V with a stellar 96% conversion rate, minimizing energy loss and maximizing device uptime. ## Overview The Weewooday Waterproof 12V to 5V DC-DC Buck Converter is a compact, high-efficiency power adapter designed for vehicles. It converts input voltages from 8V to 20V down to a stable 5V output at up to 3A, delivering 15W max power. Featuring a micro USB port, intelligent protection circuitry, and a waterproof epoxy-sealed housing, it ensures reliable and safe power delivery for a wide range of automotive electronics. ## Description desertcart.com: Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece | Waterproof Epoxy-sealed Housing, up to 96% Efficiency, Low Heat, for Vehicles, Gps and Security Systems, Built-in Protection : Electronics Review: Works well to get 5 volts. - These small 12 to 5 VDC Converters provide a handy way to convert 12 VCD vehicle power to charge the myriad number of devices that use that voltage. Good quality and efficient down conversion without a lot of heat made in the process. Review: Work perfectly with Ring Alarm Key Pad - Works perfectly with Ring Alarm key pad. The USB Micro connector fits without any modification. No need to shave down the donnector. Provides stable current to keep the key pad charged. Great for connecting existing 12V DC line to power Ring Alarm key pad. ## Features - 12V to 5V USB converter: input voltage: DC8-20V, 12V changes to 5V; Output current: 3A max; No-load current: 10mA; Output power: 15W max - Micro USB connector and high conversion: our DC to DC converters have Micro USB charging ports; DC to DC buck converter has an integrated switch thin regulator module, and the conversion rate is as high as 96 percent - Intelligent protection: 12V to 5V DC converter adopts intelligent micro-processing chip, which can automatically protect against overvoltage, overcurrent, overtemperature and short circuit; All epoxy sealed containers have waterproof housings - Wide application: DC converter module 12V to 5V will be suitable for GPS navigation, driving recorder, electronic dog, car radio, car audio, MP3, MP4, walkie talkie, surveillance system, bus display, taxi advertising screen, driving recorder, LCD TV, LED, etc. - Warm prompt: those devices' power must be lower than 15W when use this DC/DC converter 12V to 5V, and will not be compatible with partial Samsung phones ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08Q34TYV5 | | Best Sellers Rank | #138,578 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #559 in Power Converters | | Brand | Weewooday | | Color | Black | | Customer Reviews | 4.5 out of 5 stars 512 Reviews | | Input Voltage | 12 volts, 5 volts | | Item Dimensions | 5.91 x 4.13 x 0.63 inches | | Item Weight | 1.44 ounces | | Item dimensions L x W x H | 5.91 x 4.13 x 0.63 inches | | Manufacturer | Weewooday | | Mfr Part Number | Weewooday- Convertisseur Buck-00 | | Model Number | 98f78aec-9b94-4678-a671-b04c7a01d3fa | | Number of Items | 1 | | Number of Outlets | 1 | | Number of Packs | 1 | | Output Voltage | 5 volts | | Plug Type | Type C | | Power Source | Corded Electric | | Unit Count | 1 Count | ## Product Details - **Brand:** Weewooday - **Color:** Black - **Input Voltage:** 12 volts, 5 volts - **Item Weight:** 1.44 ounces - **Item dimensions L x W x H:** 5.91 x 4.13 x 0.63 inches ## Images ![Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece - Image 1](https://m.media-amazon.com/images/I/71k1op+IsQL.jpg) ![Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece - Image 2](https://m.media-amazon.com/images/I/61GmPR6M68L.jpg) ![Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece - Image 3](https://m.media-amazon.com/images/I/61-BICXWKoL.jpg) ![Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece - Image 4](https://m.media-amazon.com/images/I/61nLg-ZlRjL.jpg) ![Weewooday 12v to 5v Dc-dc Buck Converter, 3a 15w, Micro USB, 1 Piece - Image 5](https://m.media-amazon.com/images/I/61MrmDVM+uL.jpg) ## Available Options This product comes in different **Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well to get 5 volts. *by B***R on October 22, 2025* These small 12 to 5 VDC Converters provide a handy way to convert 12 VCD vehicle power to charge the myriad number of devices that use that voltage. Good quality and efficient down conversion without a lot of heat made in the process. ### ⭐⭐⭐⭐⭐ Work perfectly with Ring Alarm Key Pad *by A***. on October 15, 2025* Works perfectly with Ring Alarm key pad. The USB Micro connector fits without any modification. No need to shave down the donnector. Provides stable current to keep the key pad charged. Great for connecting existing 12V DC line to power Ring Alarm key pad. ### ⭐⭐⭐⭐⭐ They do the job on RING Alarm Keypad, with some tweak. *by A***S on October 31, 2025* They do the job on RING Alarm Keypad. As everyone else who have used them for RING Alarm Keypad application stated already, there is the need of scalping off a bit of plastic to make the plug fit. But as hardware per se they work. ## Frequently Bought Together - DC-DC Buck Converter Module 12V to 5V Micro USB Power Adapter Compatible with Ring Alarm Keypad (1 Piece) - Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended - Ring Alarm Keypad (2nd Gen) --- ## 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.us/products/265479786-weewooday-12v-to-5v-dc-dc-buck-converter-3a-15w](https://www.desertcart.us/products/265479786-weewooday-12v-to-5v-dc-dc-buck-converter-3a-15w) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-03*