Sun Joe MJ401C XR Battery Powered Electric Lawn Mower Review

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In Brief: Sun Joe Mj401c XR Lawn Mower Review

The Sun Joe Mj401c XR is a performance-oriented and top-notch cordless lawn mower. With almost zero maintenance cost and a user-friendly design, this product is a viable choice for small lawns. The battery offers 30 minutes of run time, so you don’t have to recharge it frequently to complete your lawn mowing task. Overall, it’s a nice product that is capable of doing the job well.

Sun Joe is a renowned name when it comes to designing and manufacturing impressive outdoor tools. The Sun Joe Mj401c XR is one such tool.

It is a battery-powered lawn mower, so this particular product ensures a cordless and hassle-free operation.

The Mj401c XR is an ideal option for small to medium lawns. The steel blade is durable, sharp, and capable of mowing a crisp, 14″-wide path.

With its 3-position manual height control, you can get the desired precision with just a single pass.

Key Specifications of Sun Joe Mj401c XR Lawn Mower

Sun Joe MJ401C-XR 14-Inch 28-Volt 5-Amp Cordless Lawn Mower w/Brushless Motor, 10.6-Gallon Detachable Collection Bag, Lightweight, Green

The Mj401c XR gets its power through a 28 Volt 5Ah Lithium-Ion battery. This rechargeable battery is capable of offering peak performance. You can easily mow 12,000 sq. ft. with a single charge.

Besides that, this electric lawn mower is easy to use. You just need to press the safety switch and squeeze the trigger. To collect the grass clippings, the manufacturer has provided a 10.6-gallon bag.

The grass collection bag is easy to detach, allowing for the quick disposal of clippings. In addition, the Mj401c XR offers the ultimate cordless convenience. Once you have completed mowing, just plug it in for a complete recharge.

Weighing only 29 pounds, the Mj401c XR turns out to be a lightweight and easy-to-carry electric lawn mower. The availability of a removable key is an ideal safety feature that prevents children from accidentally starting it.

With its 3-position manual height adjustment, you can customize your cutting height. Furthermore, the Sun Joe Mj401c XR also comes with an LED battery level indicator.

To find out more about the Sun Joe Mj401c XR cordless electric lawn mower, just take a look at this video:


Key Specification Table –

28 V/5.0 Ah brushless motor
Power Type
Battery Runtime (Max)
30 Minutes
Cutting Width
14 Inches
Grass collection Capacity
10.6 Gallons
Cutting Height
1.18 Inches to 2.52 Inches
29 Pounds
Height Adjustment
3-Position Height Adjustment
28 Volt 5Ah Lithium-Ion
Two-Year Limited

Unique Features

Apart from the above-mentioned aspects, there are a few unique features we should discuss.

Electric Speed Controller

The Sun Joe Mj401c XR Cordless Battery Powered Electric Lawn Mower comes with a built-in electric speed controller. This mechanism automatically kicks in when the mower approaches a thicker and taller grass patch.

Moreover, the rugged, all-terrain wheels of this lawn mower render your mowing experience a lot more enjoyable. These wheels are durable enough to bear a reasonable amount of job site abuse.

Handling and Maneuverability

Handling and maneuvering the Sun Joe Mj401c XR is quite easy. This is possible due to its lightweight construction. You don’t have to put some extra effort when maneuvering it over rough terrain.

As a result, you can get a nicely trimmed lawn quicker than anticipated. On the other hand, storing the Sun Joe Mj401c XR is easy, too, as it is easy to carry and requires minimum space.


Power, Design, and Durability


The Sun Joe Mj401c XR Cordless Battery Powered Electric Lawn Mower gets all its power through a 28V 5Ah rechargeable lithium-ion battery. It is capable of offering enough juice to mow a quarter acre of lawn.

It can continue to mow the lawn for 30 minutes after a complete charge. Moreover, the 28V 5Ah brushless motor offers enough power to neatly cut the grass.


Talking about the design, the Mj401c XR is quite different from conventional lawn mowers. It offers a unique and innovative appearance.

In addition, the compact design makes it easy to carry. The Mj401c XR also requires less space for its storage.


This particular cordless lawn mower offers the required durability that one can expect from such a product. The blade is made with stainless steel, making it highly durable.

The Lithium-ion rechargeable battery can also serve for a longer period of time than other options.

The frame is durable, too. The outer shell of the mower consists of plastic material, which might offer reasonable deterrence against bumps.

Cut Quality and Available Options

Mowing your lawn with the Sun Joe Mj401c XR is fun. The best part of this electric lawn mower is the freedom from the cord. Also, this eco-friendly electric lawn mower boasts a 14-inch, durable, steel blade.

It offers a perfect and crisp path, and you can get the desired precision with just a single pass.

Thus, you don’t need to run the mower twice over a particular patch. With its 3-position manual height control, you can easily customize the grass cutting height.

To collect the grass clippings, the Mj401c XR comes with a 10.6-gallon collection bag. You can easily detach it for dumping the clippings. The Sun Joe Mj401c XR usually offers a nicely trimmed lawn until the grass is wet or too long.

Performance and Ease of Use

This Sun Joe model is a compatible and lightweight electric lawn mower, making it an easy-to-use outdoor tool. It weighs just 29 pounds (with the battery), which means carrying it from one place to another won’t be an issue.

Moreover, it requires less power to push than other options. It comes in a mostly assembled form. You just need to tighten a few screws with a screwdriver. The rest of the parts don’t require any tools to be assembled.

To start using the Sun Joe Mj401c XR, you simply need to insert the key and press the safety switch. Once done, just squeeze the trigger, and you are good to go. After mowing, simply fold the handle and store it.

Apart from its small size, the folding handle allows you to place this lawn mower in tight spaces. Moreover, you can easily carry it anywhere without any extra effort.


Ease of Maintenance, Repairs, and Warranty

When it comes to maintenance, this Sun Joe model doesn’t require much. It needs less care and some basic maintenance requirements.

Especially, when compared to a gas-powered mower, the maintenance cost is almost zero.

What you need to do is tighten all the nuts and bolts regularly. Furthermore, make sure to remove the grass clippings and prevent debris from accumulating. You also need to analyze the bag for any wear and tear.

It would be appropriate to replace the parts when they start to show early signs of damage. However, you should rely only on the parts that are recommended by the manufacturer.

You must take extra care when cleaning the sharp blade. Store the mower at room temperature.

This will help improve the battery’s performance and its overall lifespan. In addition, don’t clean the Sun Joe Mj401c XR electric lawn mower with running water.


Sun Joe offers a 2-year limited warranty for the Mj401c XR Cordless Battery Powered Electric Lawn Mower.

If the product fails to work, the company will fix the lawn mower by either sending a free replacement part or exchanging the product without any cost.

Price of Sun Joe Mj401c XR Lawn Mower

The Sun Joe Mj401c XR is available at a reasonable price. It costs relatively less than a gas-powered lawn mower. On the contrary, the Mj401c XR is slightly more expensive than its corded counterpart, the Mj401e.


Who Should Buy It?

The Sun Joe Mj401c XR is an ideal option for meeting your residential lawn mowing needs. It would serve especially well for those who have small lawns.

Moreover, people who are sick and tired of the noisy gas lawn mowers would find the Mj401c XR a great alternative.

On the other hand, this particular product is a lightweight and compact lawn mower, which makes it easy to move it from one place to another. The price is also reasonable, so it would be a great option if you are on a tight budget.

Why We Like It

There are numerous reasons why we like this product, including the outstanding performance and reasonable price, and that it comes with a removable safety key to prevent accidental starts.

It has a lightweight and durable construction and a powerful 28V 5Ah rechargeable lithium-ion battery.

The cutting height is easy to adjust and the two-speed control feature is automatic. Plus, it is available in 3 colors – red, blue, and green.


Last update on 2024-04-21 / Affiliate links / Images from Amazon Product Advertising API

About Michael Adams

Michael has been providing handyman services for the last 14 years. He also contributes as a writer sharing his experience and experience for design projects.

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