--- product_id: 349353466 title: "20V MAX* XR Cordless Polisher, Rotary, Variable Speed, 7-Inch, 180 mm, Tool Only (DCM849B)" brand: "dewalt" price: "B/.1961" currency: PAB in_stock: true reviews_count: 5 category: "Dewalt" url: https://www.desertcart.com.pa/products/349353466-20v-max-xr-cordless-polisher-rotary-variable-speed-7-inch store_origin: PA region: Panama --- # Brushless motor for max efficiency Variable speed 800-2200 RPM 7-inch backing plate for versatile use 20V MAX* XR Cordless Polisher, Rotary, Variable Speed, 7-Inch, 180 mm, Tool Only (DCM849B) **Brand:** dewalt **Price:** B/.1961 **Availability:** ✅ In Stock ## Summary > ✨ Polish Like a Pro, Anywhere You Go! ⚡ ## Quick Answers - **What is this?** 20V MAX* XR Cordless Polisher, Rotary, Variable Speed, 7-Inch, 180 mm, Tool Only (DCM849B) by dewalt - **How much does it cost?** B/.1961 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/349353466-20v-max-xr-cordless-polisher-rotary-variable-speed-7-inch) ## 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 - • **Ergonomic Grip Design:** Rubber overmold gear case plus front and side handles for ultimate comfort and control. - • **Trusted DEWALT Durability:** Built tough with metal components and backed by 4.6-star user acclaim for professional-grade results. - • **Effortless Precision Control:** Variable speed trigger & dial lets you dial in the perfect RPM for every surface. - • **Versatile 7-Inch Backing Plate:** Ideal size for most automotive polishing, from headlights to gelcoat finishes. - • **Cordless Freedom, Pro Performance:** 20V MAX* XR brushless motor delivers powerful runtime without the hassle of cords. ## Overview The DEWALT 20V MAX* XR Cordless Polisher (DCM849B) is a high-performance rotary polisher featuring a brushless motor for efficient power and extended runtime. Its variable speed range of 800-2200 RPM, controlled via trigger and dial, ensures precision on diverse surfaces including cars, glass, and gelcoat. Equipped with a 7-inch backing plate and ergonomic grips, this cordless tool offers professional-grade polishing with unmatched portability and durability. ## 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 grip or side handle ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07YQJLYNR | | Amperage | 1.5 Amps | | Brand | DEWALT | | Brand Name | DEWALT | | Customer Reviews | 4.6 out of 5 stars 1,895 Reviews | | Global Trade Identification Number | 00885911621762 | | Included Components | Polisher; 7" backing plate; Side Handle; Bail Handle | | Item Type Name | rotary polisher | | Item Weight | 4.8 Pounds | | Manufacturer | Dewalt | | Manufacturer Part Number | DCM849B | | Material | Metal | | Material Type | Metal | | Model Number | DCM849B | | Number of Items | 1 | | Power Source | cordless-electric | | Specific Uses For Product | Automotive | | Speed | 2200 RPM | | UPC | 885911621762 | | Unit Count | 1.00 Count | | Voltage | 20 Volts | ## Product Details - **Brand:** DEWALT - **Included Components:** Polisher; 7" backing plate; Side Handle; Bail Handle - **Material:** Metal - **Power Source:** cordless-electric - **Speed:** 2200 RPM ## Images ![20V MAX* XR Cordless Polisher, Rotary, Variable Speed, 7-Inch, 180 mm, Tool Only (DCM849B) - 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.com.pa/products/349353466-20v-max-xr-cordless-polisher-rotary-variable-speed-7-inch](https://www.desertcart.com.pa/products/349353466-20v-max-xr-cordless-polisher-rotary-variable-speed-7-inch) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-08-27*