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⚡ Polish Like a Pro, Anywhere You Go!
The DEWALT 20V MAX* XR Cordless Polisher (DCM849B) is a high-performance, brushless rotary polisher featuring a 7-inch backing plate and variable speed control from 800 to 2200 RPM. Designed for professional-grade polishing on cars, glass, and fiberglass, it offers ergonomic grips and cordless convenience powered by a 20V battery. Trusted by pros and backed by DEWALT’s 1-year warranty, it’s your go-to tool for flawless finishes on the move.











































| ASIN | B07YQJLYNR |
| Amperage | 1.5 A |
| Best Sellers Rank | #30,717 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #12 in Power Polishers & Buffers |
| Brand | DEWALT |
| Brand Name | DEWALT |
| Color | Multi |
| Customer Reviews | 4.5 out of 5 stars 1,991 Reviews |
| Global Trade Identification Number | 00885911621762 |
| Included Components | Polisher; 7" backing plate; Side Handle; Bail Handle |
| Item Dimensions D x W x H | 17.1"D x 7.3"W x 6"H |
| Item Type Name | rotary polisher |
| Item Weight | 4.8 pounds |
| Manufacturer | DEWALT |
| Manufacturer Part Number | DCM849B |
| Manufacturer Warranty Description | 1 yr warranty on material and workmanship |
| Material | Blend |
| Material Type | Blend |
| Model Number | DCM849B |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 17.1"D x 7.3"W x 6"H |
| Specific Uses For Product | Polisher |
| Speed | 2200 rpm |
| UPC | 885911621762 |
| Unit Count | 1 Count |
| Voltage | 20 volts |
K**Y
Nice cordless polisher for the house
I grabbed this Dewalt polisher for weekend projects and to clean up our family SUV in the driveway. Cordless is huge, no dragging cords around the kids bikes. Good power and i can dial the speed down when my son helped on the hood. Battery life’s decent and the handle feels sturdy.
B**E
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.
M**L
Beast! Great product! So reliable.
What a great product. Makes my marble so shine. The device is lightweight but have a lot of power. I have the 6.0AH 20V XR battery. That’s a beast!
J**S
This polisher is good, not perfect
This is the polisher I grabbed for cleaning up my black SUV and, honestly, to fix the mess the kids leave on the dining table I converted into a little detailing station. Torque is strong and it stays pretty smooth at lower speeds. I like how I just roll the wheel with my thumb to slow it down around edges. Battery swap is quick and it feels balanced with a 5Ah pack. What bugs me is the weight. After a couple panels my shoulders feel it. Also wish it came with at least one backing plate so I did not have to hunt around for the right size on a Sunday afternoon.
R**R
Satisfied
Arrived and worked great. I would have preferred that it was shipped in something other than the retail box so you couldn’t tell what it was sitting on my porch. But all is well that ends well.
C**U
handy polisher for my weekends
When I get home after night shifts, I like doing small jobs on my car because it helps me switch off. I bought this DEWALT polisher after the paint started looking dull, and I already had 20V batteries. The cordless setup saves me from dragging an extension cord around the driveway. I used it Saturday morning on the hood, starting slow and easing the speed up, and it felt comfortable to guide across the broad surface. The 7-inch pad covered ground without making the job feel fussy. It is a tool-only kit, so check what battery and accessories you’ll need. I was glad I could get one section looking refreshed before I finally went to bed.
Z**D
GAME CHANGER
Ok look before anyone talks crazy about the battery life, I get it. It eats through batteries. But at the end of the day, there’s trade offs for everything. Idk about yall but I’m not really ever going over 2200 RPMs even though my corded rotary can go up to 3500. I still prefer this dewalt rotary because not only is it lighter, it’s just so much more convenient being cordless. And the little centering tube thing it came with is pretty dope, too. 10/10.
S**T
Handy cordless polisher for diy use
Good deal for a tired mom trying to fix up the family cars without a huge hassle. I grabbed this because dragging cords around the driveway with two kids running through the garage was making me crazy. The cordless part is awesome. It feels solid in my hands and the variable speed is easy to tweak when I’m switching from my minivan to my husband’s truck. I did my whole hood during nap time and it came out really nice. My only gripe is the weight once you add the bigger battery. After a while my arms were burning more than i expected. If u already have other dewalt tools and batteries, it makes way more sense.
A**R
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.
C**Y
Perfect for buffing boats with power and mobility
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.
E**S
Es buena
Muy buena máquina
J**F
Dewalt the Best
It is a dewalt very good tools
O**.
Excelente equipo de lo mejor que he probado
Excelente pulidora, la utilice para pulir algunas partes de mi motocicleta y mi coche personal y funciona de maravilla el motor no pierden potencia aún cuando ejerces mucha fuerza para que realice un corte en pinturas duras.
Trustpilot
2 months ago
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