--- product_id: 651049279 title: "DCM849B 20V MAX XR 7 in (180mm) Cordless Variable Speed Rotary Polisher (Tool Only)" brand: "dewalt" price: "S/.3524" currency: PEN in_stock: true reviews_count: 5 category: "Dewalt" url: https://www.desertcart.pe/products/651049279-dcm849b-20v-max-xr-7-in-180mm-cordless-variable-speed store_origin: PE region: Peru --- # Brushless motor for max efficiency Variable speed 800-2200 RPM 20V MAX cordless freedom DCM849B 20V MAX XR 7 in (180mm) Cordless Variable Speed Rotary Polisher (Tool Only) **Brand:** dewalt **Price:** S/.3524 **Availability:** ✅ In Stock ## Summary > ✨ Polish Like a Pro, Anywhere You Go! ⚡ ## Quick Answers - **What is this?** DCM849B 20V MAX XR 7 in (180mm) Cordless Variable Speed Rotary Polisher (Tool Only) by dewalt - **How much does it cost?** S/.3524 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/651049279-dcm849b-20v-max-xr-7-in-180mm-cordless-variable-speed) ## Best For - dewalt enthusiasts ## Why This Product - Trusted dewalt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power Meets Portability:** Brushless motor delivers peak performance with extended runtime—no cords, no limits. - • **Professional-Grade Finish:** Achieve mirror-like shine and remove fine scratches with ease—turn heads and boost your detailing game. - • **Effortless Precision Control:** Variable speed trigger & dial lets you dial in the perfect polish every time. - • **Universal 7-Inch Backing Plate:** Optimized size for most automotive and glass polishing tasks, making it your go-to tool. - • **Ergonomic Grip & Versatile Handling:** Rubber overmold gear case and dual-handle design reduce fatigue and improve control. ## Overview The DEWALT DCM849B 20V MAX XR 7-inch Cordless Rotary Polisher combines a powerful brushless motor with variable speed control (800-2200 RPM) and a versatile 7-inch backing plate. Designed for automotive and glass polishing, its ergonomic design and cordless convenience make it ideal for professionals seeking flawless finishes on the go. ## Description This 7-inch Rotary Car Polisher features a brushless motor for efficient performance and runtime. No-load speed of 800-2200 RPM with the variable-speed trigger and dial allow for use on cars, headlights, windshields, fiber glass, gelcoat, and for glass-polishing applications. The included 7-inch backing plate is recommended for most applications. Review: This is perfect for polishing cars - This works great, cordless so its very portable low noise looks great like all Dewalt products very comfortable handle and adjustable the speed can go so slow you can almost count the rpm's if you burn paint with this you are trying to paint comes out perfect and a glass smooth finish. gets rid of fine scratches for a mirror like finish. I am extremely happy with the purchase of this and recommend it to any serious car detail-er or paint finisher speed adjustability is easy and makes working fast and trouble free. I could go on and on, I have been wanting one of these for a very long time and finally got one it will make my car look better not to mention the money making opportunities it could also bring If you are at all thinking about getting one get the Dewalt it's top of the line, I have a collecetion of Dewalt cordless tool so yes I am bias but it is because they are the best. Review: Excelente. - A politriz é fácil de usar e funciona muito bem. É potente, e talvez exija uma bateria de maior capacidade. Mas é uma Dewalt. Muito boa. ## Features - Brushless motor of the car polisher is made for efficient performance and runtime - 7-inch backing plate of the variable speed polisher is recommended for most applications - DEWALT polisher features no-load speed of 800-2200 RPM for all types of applications - Variable speed on the trigger and dial helps to better control the tool during every step of the application - Rubber gear case overmold reduces surface imerfections and improves gripping surface.Can be held via the front ************************************************************* or side handle ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07YQJLYNR | | Amperage | 1.5 Amps | | Best Sellers Rank | 784,594 in DIY & Tools ( See Top 100 in DIY & Tools ) 448 in Polishers | | Brand | DEWALT | | Colour | Jaune | | Customer Reviews | 4.6 out of 5 stars 1,896 Reviews | | Global Trade Identification Number | 00885911621762 | | Included Components | Polisher | | Included components | Polisher | | Item Dimensions D x W x H | 43.4D x 18.5W x 15.2H centimetres | | Item Weight | 2.18 kg | | Manufacturer | MILcea | | Material | Blend | | Model Number | DCM849B | | Number of Items | 1 | | Part Number | DCM849B | | Power source | Battery Powered | | Product dimensions | 43.4D x 18.5W x 15.2H centimetres | | Speed | 2200 RPM | | UPC | 885911621762 | | Unit Count | 1.0 count | | Usage | Automotive | | Voltage | 20 Volts | ## Product Details - **Brand:** DEWALT - **Colour:** Jaune - **Included components:** Polisher - **Material:** Blend - **Product dimensions:** 43.4D x 18.5W x 15.2H centimetres ## Images ![DCM849B 20V MAX XR 7 in (180mm) Cordless Variable Speed Rotary Polisher (Tool Only) - Image 1](https://m.media-amazon.com/images/I/51TaNc5IQhL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ This is perfect for polishing cars *by B***E on 24 April 2026* This works great, cordless so its very portable low noise looks great like all Dewalt products very comfortable handle and adjustable the speed can go so slow you can almost count the rpm's if you burn paint with this you are trying to paint comes out perfect and a glass smooth finish. gets rid of fine scratches for a mirror like finish. I am extremely happy with the purchase of this and recommend it to any serious car detail-er or paint finisher speed adjustability is easy and makes working fast and trouble free. I could go on and on, I have been wanting one of these for a very long time and finally got one it will make my car look better not to mention the money making opportunities it could also bring If you are at all thinking about getting one get the Dewalt it's top of the line, I have a collecetion of Dewalt cordless tool so yes I am bias but it is because they are the best. ### ⭐⭐⭐⭐⭐ Excelente. *by A***R on 31 March 2022* A politriz é fácil de usar e funciona muito bem. É potente, e talvez exija uma bateria de maior capacidade. Mas é uma Dewalt. Muito boa. ### ⭐⭐⭐⭐⭐ Perfect for buffing boats with power and mobility *by C***Y on 8 July 2025* I bought this DEWALT cordless polisher to buff and restore the gelcoat on our boat and it’s been incredible. The cordless design makes a big difference when working around the hull, especially in areas where there’s no easy access to power. It has more than enough power to cut through oxidation, and the variable speed gives great control whether you’re compounding or doing a final polish. The 7-inch pad covers a lot of surface quickly, which is a huge plus when working on a boat. With a 5Ah battery I can usually get through an average-size boat without needing to recharge. It’s comfortable to hold, well-balanced, and doesn’t wear you out after long sessions. If you maintain your own boat or do marine detailing, this is an excellent tool. No cords, no hassle, just professional results wherever you need them. ## Frequently Bought Together - DEWALT 20V MAX* XR Cordless Polisher, Rotary, Variable Speed, 7-Inch, 180 mm, Tool Only (DCM849B) - CASOMAN 7-Inch Buffing and Polishing Pad Kit, 7 Pieces 7" Polishing Sponge, Waxing Buffing Pad Kit - DEWALT 7-in Wool Buffing Pad and Back --- ## 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.pe/products/651049279-dcm849b-20v-max-xr-7-in-180mm-cordless-variable-speed](https://www.desertcart.pe/products/651049279-dcm849b-20v-max-xr-7-in-180mm-cordless-variable-speed) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-08-20*