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LG 20 in. 1.1 cu. ft. 900W Countertop Microwave - Black

MODEL:

MSER1130B
4.5 out of 5 Customer Rating
LG 20 in. 1.1 cu. ft. 900W Countertop Microwave - Black is rated 4.5 out of 5 by 11.
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About this Item

LG 20" 1.1 Cu. Ft. 900W Countertop Microwave - Black (MSER1130B)

Features:
LG MSER1130B Countertop Microwave
Spacious Capacity

The LG MSER1130B offers a roomy 1.1 cubic feet interior, providing enough space to accommodate plates, bowls, and cookware of various sizes. This generous capacity allows you to heat or cook multiple servings at once, making it ideal for families or meal prepping. The countertop design maximizes convenience, fitting comfortably in kitchens without occupying too much space. Its sleek black finish adds a modern touch while blending seamlessly with most kitchen decors.

Powerful Cooking Performance

Equipped with 900 watts of power, this microwave delivers efficient and consistent heating for a wide range of dishes. The high wattage ensures that food cooks quickly and evenly, reducing waiting time and preserving food quality. Its versatility makes it suitable for reheating leftovers, defrosting frozen items, and cooking from scratch. This balance of power and user-friendliness enhances everyday meal preparation.

Easy-to-Use Controls

The appliance features user-friendly controls designed for effortless navigation and operation. Intuitive buttons and presets simplify cooking tasks, allowing users to select preferred functions with ease. The design accommodates both quick cooking and precise timing for customized use. This straightforward interface suits users of all ages, promoting convenience in busy kitchens.

Durable and Stylish Design

Constructed with quality materials, the microwave offers durability to withstand daily use. Its compact form with a clean black exterior is both functional and aesthetically appealing. The design aligns with modern kitchen styles while maintaining easy clean-up for ongoing maintenance. This combination of style and robustness ensures a lasting appliance that complements your home.

Safety Features

Safety is prioritized with features such as a secure door latch and child lock capabilities to prevent accidental operation. These elements provide peace of mind, especially in households with children. The microwave meets necessary safety standards, ensuring reliable and secure use. Such built-in protections help maintain a safe kitchen environment.

Multipurpose Functionality

Beyond reheating, the microwave supports various cooking functions including defrosting and quick cooking presets tailored to different food types. This multipurpose capability makes the appliance versatile and accommodating for diverse meal preparation needs. Its adaptability simplifies complex cooking processes and saves time. The microwave thereby becomes an essential tool for everyday culinary tasks.

LG MSER1130B Microwave Control Panel and Interior
PDF Icon Installation Instructions
PDF Icon Owners Manual
PDF Icon Specifications Sheet
PDF Icon Warranty
Product Height
11.43 Inches
Product Width
20.06 Inches
Product Depth
15.68 Inches
Product Weight (lbs.)
27.1 Lb(s)
Color
Black
Microwave Type
Countertop
Interior Capacity (Cu. Ft.)
1.1 Cubic Feet
Microwave Width (in.)
20
Door Swing
Left Swing
Door Style
Push Button
Door Type
Glass & Metal
Handle Color
-
Case Color
-
Turntable
Yes
Turntable Diameter (in.)
12 Inches
Removable Turntable
-
Interior Material
-
Non-Stick Interior
-
Interior Light(s) Type
LED
Cooktop Lighting
No
Night Light
No
Sound
-
Cavity Height (in.)
9.18 Inches
Cavity Width (in.)
14.12 Inches
Cavity Depth (in.)
14.25 Inches
Additional Features
1.1 Counter Top Microwave, non-inverter, EasyClean Interior
Installation Requirement
120 V / 12.2 A / 60 Hz
Series
Not Applicable
Built-In Air Fryer
No
Built-In Broiler
No
Low Profile
No
Exhaust Fan
-
Ventilation Type
Not Applicable
Exhaust Capacity (CFM)
-
Number Of Fan Speeds
-
Fan Speed Indicator
-
Removable Filter(s)
No
Vent Fan Location
-
Duct Outlet Size (in.)
-
Control Type
Touch Sensor
Control Location
Right Side
Numeric Touch Pad
No
Display Type
LED
Clock Display
Yes
Power Levels
10 Power Levels
Number of Preset Cooking Mode(s)
-
Minute Timer
Yes
Cooking Modes
Auto Cook Mode, Auto Reheat Mode, Popcorn, Defrost
Add 30 Seconds Feature
Yes
Sensor Cooking
No
Instant On Controls
-
Quick Start Cooking
-
Auto Defrost
Yes
Convection Cooking
No
Auto Reheat
-
Grilling Option
-
Cook by Weight
-
Sensor Cooking Controls
-
Keep Warm
-
Browning
-
Soften / Melt
No
Popcorn Key
Yes
Potato Key
-
Kids' Menu Option
-
Delay Start Function
-
Multiple Sequence Cooking
No
Built-in Recipe Program
-
Child Lock
Yes
Multi-Lingual
-
WiFi Connected
No
Smart Features
Maintenance & Diagnostics
Works with
-
Voltage (V)
120
Amperage (A)
12.2
Wattage
900 Watts
Approved For Commercial Use
No
Approved For Outdoor Use
No
ADA Compliant
No
ANSI Certified
No
CEE Qualified
-
CSA Listed
No
ETL Listed
No
NSF Listed
No
UL Listed
No
Energy Star Rated
No
Charcoal Filter
No
Hanging Kit Included
No
Trim Kit Included
-
Accessories Included
-
Compatible Filler Kit Model(s)
-
Microwave Filter Model Number
-
Compatible Filler Kit Model(s)
-
Warranty Terms - Parts
12 Month(s)
Warranty Terms - Labor
12 Month(s)
Rated 5 out of 5 by from Great Microwave [This review was collected as part of a promotion.] I am a friend of an LG employee and I received this product for free in exchange for my honest review. All opinions expressed in this post are personal and should not be attributed to LG. The microwave looks top of the line and is working great and I know LG products never disappoint. It’s been heating up my meals in seconds and working really smoothly. It’s beyond all my expectations in comparison to the microwaves I had in the past. I would highly recommend this product. 10/10
Date published: 2025-10-30
Rated 5 out of 5 by from LG Microwave [This review was collected as part of a promotion.] I am a friend of an LG employee and I received this product for free in exchange for my honest review. All opinions expressed in this post are personal and should not be attributed to LG. Performance, capacity and materials used in this microwave is very good and I am happy with the product so far and recommend everyone to purchase it.
Date published: 2025-10-24
Rated 5 out of 5 by from Love the sleek design and how well this functions! I am a friend of an LG employee and I received this product for free in exchange for my honest review. All opinions expressed in this post are personal and should not be attributed to LG. Overall, I’ve been really impressed with the MSER1130B Countertop Microwave. It has a sleek, modern design that fits beautifully into my kitchen, and although it’s compact, it performs with impressive power and consistency. The defrost function is one of my favorite features because it works quickly and evenly, and the food always comes out perfectly warmed. In my experience with other microwave models, it usually takes about two minutes or more to fully heat up a plate of food. However, with this model, just 30 seconds to one minute is often enough to warm it thoroughly, which I found absolutely fascinating and impressive. The only minor issue I’ve noticed is that since I placed the microwave on a small rug over my washer and dryer, it tends to slide slightly backward whenever I press the door button. It’s not a product flaw, but something to note regarding surface stability. Overall, this is an excellent, efficient, and stylish appliance that delivers both convenience and strong performance. I’m very satisfied with it and appreciate the opportunity to share my feedback.
Date published: 2025-10-20
Rated 5 out of 5 by from Modern design and great power [This review was collected as part of a promotion.] Really happy with this microwave. The design is super clean and modern — it looks great on my kitchen counter and doesn’t take too much space. The touch panel is simple and easy to figure out, even without reading the manual. It heats food really evenly and fast, and the power feels strong compared to other models I used before. Totally worth it..
Date published: 2025-10-13
Rated 5 out of 5 by from Compact great for office [This review was collected as part of a promotion.] I am a family member of an LG employee and I received this product for free in exchange for my honest review. All opinions expressed in this post are personal and should not be attributed to LG. Perfect for my office. Compact design fits in great in a small office. Easy to use too.
Date published: 2025-09-21
Rated 5 out of 5 by from Great features in small package [This review was collected as part of a promotion.] This is small enough for my limited space but power still packs a punch. It heats food well and thoroughly. It is easy to use and the touch buttons function well. It also gives the machine a minimal, sleek look.
Date published: 2025-09-20
Rated 5 out of 5 by from Clean looking and works perfect! [This review was collected as part of a promotion.] I am a family member of an LG employee and I received this product for free in exchange for my honest review. All opinions expressed in this post are personal and should not be attributed to LG. First off, it looks really slick and works perfect. This microwave oven is so easy to use. It fits in my kitchen area perfectly and work like as it should. Have not a single complaint for this product. Great product overall!
Date published: 2025-09-15
Rated 5 out of 5 by from Great Electronics company [This review was collected as part of a promotion.] Love all of LG’s products. They’re the only ones I allow in my house without TVs refrigerator stove vacuum
Date published: 2025-08-12
Rated 4 out of 5 by from Great Microwave [This review was collected as part of a promotion.] I am a friend of an LG employee and I received this product for free in exchange for my honest review. All opinions expressed in this post are personal and should not be attributed to LG. This microwave heats up food throughly. The short cut keys make it easy for my teen to warm up food without over heating it. The popcorn sensor is great and does not let it burn. The child lock is extremly useful for my little kids so they cannot open the door.
Date published: 2025-10-30
Rated 4 out of 5 by from It is light and cooks well. [This review was collected as part of a promotion.] It is very hard to read the wording to set up what you want to cook like the item, how long. It is great at night because it lights up. I would do a brighter white for daytime. Safety lock is a good feature but it is hard to push that button in.
Date published: 2025-10-20
Rated 1 out of 5 by from this microwave is just a garbage someone fate review for a quality product. I just bought one today it too hard to work with beside that it is move around a lot every time either open or closed the door really a bad design I am going to return it don't buy this microwave waste time and money
Date published: 2025-11-08
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