ID # 3108015Model # MB20040221

Masterbuilt Gravity Series 800 Digital Charcoal Griddle + Grill + Smoker - MB20040221

(4356)
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Key Features

Reaches 225 F in 8 minutes, 450 F in 10 minutes, or 700 F in 14 minutes
  • Includes a flat top griddle insert and cast-iron grates for low and slow smoking or high heat searing
  • DigitalFan for precise temperature control
  • GravityFed Charcoal Hopper holds 16 lbs of briquettes or 10 lbs of lump charcoal for up to 10 hours of fuel
  • Convenient fold out storage behind side shelf to prevent loss or damage to the power supply
The Masterbuilt Gravity Series is transforming the way you grill with charcoal. This innovative digital charcoal grill + smoker delivers the classic flavor and versatility of charcoal cooking, paired with the ease and precision of a pellet grill. Its GravityFed design continuously feeds fresh charcoal to the fire, while variable-speed DigitalFan technology maintains your set temperature with accuracy, controlled directly from the intuitive PID controller or your smartphone.

In just 10 minutes, it can reach smoking temperatures as low as 225 F, or climb to 700 F in only a few minutes more for a perfect steak sear. The vertical charcoal hopper holds up to 10 lbs of lump charcoal or 16 lbs of briquettes, providing up to 8 hours of consistent cooking time. As gravity pushes fresh charcoal toward the fire, spent ash drops into the bin below for easy cleanup. For shorter cooks, simply insert the included slides to cut off airflow, extinguish the fire, and save your unused charcoal for next time. Enhance flavor by adding wood chunks either to the charcoal hopper or the ash bin to generate rich, smoky notes. Heat and smoke flow evenly through a precision-engineered manifold with graduated ports, ensuring consistent results across the entire cooking chamber. The main cooking area features cast iron grates and an optional flat-top griddle insert, giving you plenty of space and versatile cooking options for entertaining any party.

Legal disclaimers and warnings

Product packaging, owners’ manuals, installation instructions, and/or operating instructions may include more information than what is shown on our website. The content on our site is intended to be used for reference purposes only. Please fully read all included manuals and documentation before installing or using this product. WARNING for California residents: this product may contain chemical(s) known to the state of California to cause birth defects, cancer, or other reproductive harm.

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Warranty

Masterbuilt warrants all of its products to be free from defects in material and workmanship under proper assembly, normal use and recommended care for 1 year from the date of original retail purchase. The Masterbuilt warranty does not cover paint finish as it may burn off during normal use. The Masterbuilt warranty does not cover rust. Masterbuilt requires proof of purchase for warranty claim, such as a receipt. Labor is not included.

Refer to the manufacturer's manual for full warranty details.

Customer Reviews

4.33

4356 reviews

*

Mgleleux

Mckinney, TX

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Crazy good!

For the past 4 years I have been grilling on the Green Egg, and I loved that great charcoal taste that came with it. When I recently sold my home, the Green Egg went with it, but I was already on the hunt for a great electric smoker. When I found the Masterbuilt Gravity Series 800, I had no doubt this was the answer to replacing my Egg. Probes, temperature control, built in timer, mobile app, griddle, space for my grilling tools, and best of all - it has that GREAT charcoal taste that i love! This Masterbuilt Gravity Series 800 is a must have and a 10/10 recommend! Its crazy good!

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jrwahl

Bismarck, ND

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Works great, when it works

I use these with my AutoIgnite 545, but unfortunately they only light on the first try about half the time. I've found that blowing on the starter after about 30 seconds seems to work well, but that defeats the purpose of the "AutoIgnite" moniker.

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jrwahl

Bismarck, ND

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Awesome smoker with a decent, not great, app

I've made many delicious meals on this smoker and it works great. I'm amazed at how easy it keeps my desired temp. I do think the app is a little lacking, unfortunately. If I want to change the temp through the app I often have to do it twice before it takes. And temperature updates don't update quite as often as I would prefer.

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JJB24

Arkansas

Nov 4, 2025

the source of this review is from Masterbuilt - BV
The Tactical Titan of Backyard BBQ 🔥

If Rambo retired and took up smoking meats, the Masterbuilt Gravity Series 1050 would be his weapon of choice. This beast doesn't just smoke, it strategically dominates flavor like it's leading a recon mission against bland brisket. 🛠️ Built Like a Barracks, Smokes Like a Dream • With 1050 square inches of cooking space, it's basically the aircraft carrier of smokers. You could feed a platoon—or just impress your in-laws. • The gravity-fed charcoal system is pure genius. Load it once, and it burns with the discipline of a drill sergeant: steady, reliable, and no-nonsense. • Digital controls? Check. WiFi and Bluetooth? Roger that. You can command this smoker from your phone like you're calling in an airstrike of hickory smoke. 🍖 Performance That Deserves a Salute • It hits 700°F like it's chasing down a target. Searing steaks? Done. Low-and-slow ribs? Roger. • Temperature recovery is faster than a motivated private after PT. Open the lid, close it, and boom—back in the zone. • The smoke flavor? Deep, rich, and layered like a well-planned ambush. It doesn't just cook—it infuses. 🧠 Jeremiah's Tactical Take As a veteran with 21½ years of service and a mind wired for diagnostics and precision, I can say this smoker passes every test. It's not just a backyard toy—it's a mission-ready flavor delivery system. The Masterbuilt 1050 respects your time, your charcoal, and your taste buds. And if it ever fails? You'll know exactly where to troubleshoot—because this rig was built with logic, not mystery. 🏅 Final Verdict The Masterbuilt 1050 isn't just a smoker. It's a strategic asset in your culinary arsenal. Whether you're feeding family or hosting a cookout worthy of a field promotion, this machine delivers results that'll make your neighbors salute your BBQ flag. 10/10. Would deploy again.

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Jbrose33

Lincoln Nebraska

Nov 4, 2025

the source of this review is from Masterbuilt - BV
It's cheating

Everything about this grill is amazing, the charcoal gives it an amazing taste the fact that it's three products in one saves me so much space and the electric thermometer makes it so easy to repeat amazing results, it feels like cheating. I've had this product since 2020 and will never have another style grill/smoker/griddle.

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Smoker Joe

Stockton ca

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Excellent grille, smoker

I have 2 the 560 and 1050 Both are excellent and easy to work with the most best part is using charcoal

Master smoker built to grille
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Gregs74

Texas

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Great smaller grill/smoker

This is an amazing grill /smoker for anyone that doesnt need a big cooking area. All of the taste and smoke from a stick burner, but has all the convenience of a pellet smoker. The only thing I would change is the ash catcher is very small and fills up quick. Masterbuilt should at least offer a larger ash collector.

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RayR

Madison AL

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Ease of a Pellet smoker, flavor of a charcoal smok

I had a pellet grill that I bought for the convenience of automatic feed. After a while I missed the flavor you get with a charcoal grill. So I thought I could get both with a gravity feed, but was concerned on the ability of it to feed charcoal without jamming or other problems. The unit was easy to put together and instructions were of sufficient detail. Then came the moment of truth. The first cook. Somewhat to my surprise it went well. I t was a 6 hour cook and had no problems. The charcoal was fed as needed and the desired temperature remained consistent throughout the cook. The rate of charcoal use was not excessive. I'll admit at first I was skeptical, but I have to admit that it gave me the ease and convenience of a pellet grill combined with the flavor of charcoal smoking. (and where I live, charcoal is cheaper than pellets.) "Exchanging" my pellet grill for this Gravity series was one of the better decisions I have made.

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dhinh

Seattle, WA

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Not as expected

Worked great the first time but stopped turning consistently after. I contacted customer service but they never contacted me back.

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dhinh

Seattle, WA

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Its been a battle!

I was so excited to utilize the gravity fed smoker, but I have had constant struggles with the smoker and fan starting. Had to go through reddit conversations to find out how to remedy. Its still been a battle though. I've changed the fan, wires and sensors. The rotisserie also worked great the first time but would stop turning after. I contacted customer service and never heard back from them. Hope I just got a lemon and its not how the rest of their products are.

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Questions & Answers

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Collection

Gravity SeriesGravity SeriesEmberwoodPerformer

Class

PracticalPracticalPracticalEntry-Level

Size

Small (0 - 26")Small (0 - 26")Small (0 - 26")Small (0 - 26")

Primary Color

BlackBlackGrayBlack

Made In USA

NoNoNoMade In The USA With Globally Sourced Parts

Exterior Material

Powder Coated SteelPainted SteelPowder Coated SteelPorcelain Coated Steel

Fuel Type

CharcoalCharcoalCharcoalCharcoal

WiFi/Bluetooth Enabled

WiFi OnlyWiFi & BluetoothNoneNone

Configuration

FreestandingFreestandingFreestandingFreestanding

Series

80022 Inch21 InchDeluxe

Quick Ship

NoNoNoYes

Total Cooking Capacity

830 Sq. Inches600 Sq. Inches----

Side Burner

None--NoneNone

Grill Lights

NoneNoneNoneNone

Side Shelves

YesYesYesYes

Side Shelf Material

Stainless SteelPainted SteelPowder Coated SteelPainted Steel

Cart Assembly

Some Assembly RequiredSome Assembly RequiredPre-AssembledSome Assembly Required

On Wheels

YesYesYesYes

Cooking Grate Material

Cast IronCast IronPorcelain Coated Cast IronPlated Steel

Cooking Grid Dimensions

23 3/5 X 16"22 X 16 1/2"21 X 15"22 Inch Diameter

Main Grilling Area

380 Sq. Inches365 Sq. Inches315 Sq. Inches363 Sq. Inches

Secondary Grilling Area

450 Sq. Inches235 Sq. Inches105 Sq. Inches--

Burger Count

1515--17

Spring Assisted Hood

NoNoNoNo

Thermometer

DigitalDigitalAnalogAnalog

Commercial-Grade Multi-User

NoNoNoNo

Marine Grade

NoNoNoNo

Width

55.1"52.8"55.3"48"

Height

50.9"49.7"45"44.1"

Depth

30.5"30.4"20.7"30"

Weight

204 lbs168 lbs134 lbs96 lbs

Proposition 65

WARNING:
This product can expose you to chemicals including carbon dioxide and other combustion byproducts known to the State of California to cause cancer, and birth defects or other reproductive harm.

For more information, go to www.p65warnings.ca.gov

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