Sun Joe 14 in. 28-Volt Battery Walk Behind Push Mower Review

Manufacturer Description:

Ditch the cord and gas, and cut the grass with MJ401C, the completely cordless counterpart of Sun Joe’s best-selling MJ401E electric mower. Perfect for small to medium lawns, the eco-friendly, battery-powered mower’s durable steel blade cuts a crisp 14 in. wide path with precision in a single pass, and features convenient 3-position manual height control to quickly tailor your turf to just the right height. When you’re ready, simply insert the key, press the safety switch, squeeze the trigger and go. Collect the clippings with the 10.6 gallon bag, and detach for quick and easy disposal. Plus, MJ401C is driven by a long-life, peak performance rechargeable 28-Volt lithium-ion battery, and lasts up to 25 minutes on a single charge for the ultimate in cordless convenience. And when the work day is done, simply plug in and power up. Blast past the limits of the extension cord with cordless power and performance – and Go With Joe: the MJ401C 28-volt 14 in. Cordless Lawn Mower from Sun Joe.

  • Best use; small to mid-sized lawns
  • Built-in push-button LED battery level indicator
  • Removable safety key prevents accidental starts
  • Durable steel blade mows a 14 in. (35.6 cm) wide path
  • 28 V rechargeable lithium-ion battery provides up to 25 minutes of whisper-quiet runtime
  • Detachable 10.6 Gal. (40 l) grass catcher for easy disposal
  • Tailor cutting height with 3-position manual height adjustment
  • ETL approved

My Review

The Sun Joe MJ401E 14 in. 28-Volt Battery electric lawnmower is a good purchase. I found it to be very convenient to handle and store since its very lightweight (29 lbs). While working on the lawn, it performed as you would any other lawnmower. The Sun Joe lawnmower MJ401E  was made for smaller lawns and is very easy to operate. With a simple hold of the button while pull the level, the Sun Joe lawnmower is ready to begin it’s work. It’s also very good with tight spaces since it’s not that wide.


The Sun Joe lawnmower MJ401E  was very easy to put together, no more than 15 minutes. There were maybe 2 or 3 parts that required a screw to be tighten. The instructions were also clear and straight forward.

Tighten the handles


Operation and Performance

Durable Blades for cutting

The Sun Joe lawnmower MJ401E  does a really good job with it’s durable blades which cuts 14-inches wide with each pass.

Durable blades under the Sun Joe Lawnmower

Battery Charging

The 28 V rechargeable lithium-ion battery provides up to 25 minutes of run time. The Sun Joe lawnmower MJ401E  is shipped with a low charge and requires up to 4 hours before fully charged.

Hard Top Rear Bag – Grass collector

The rear bag is approximately 10.6-gallon and used to collects grass clippings. It detaches easily for quick disposal and the collapsible handle allows for easy and compact storage when not in use.

Starting the Lawnmower 

The procedure to starting the lawnmower is very child proof, but easy enough for an adult to operate.

Step 1: There’s a safety key required to be inserted before you start the Sun Joe lawnmower MJ401E . 

Step 2: Hold the green button down and pull on the green lever towards you to start the Sun Joe lawnmower MJ401E  .

Start button and lever


Adjusting the Cutting Grass Height

This was also very easy to do, only requiring a little pull of the metal rod and having it slip into on of the J slots as seen below. This however creates a bit of a limitation on precision cutting as offered on more expensive lawnmowers but will do the job just fine if you keep up with your regular lawn keeping schedules.


The overall design is very lightweight and compact. I have found majority of the product to be made of plastic and can last a bit if properly taken care of. The Sun Joe lawnmower  may be able to withstand a few bangs or scraps, but the “all-terrain” plastic wheels may start to give over time. The full 2-year warranty would be beneficial for anyone, and if done online, Sun Joe will extend the warranty another 90 days.


This is a very low-end electric lawnmower which is made to tackle smaller lawns. There’s no extra bells or whistles and you wouldn’t expect there to be any at this price which ranges anywhere from $80-$100.

Final Thoughts

If you are looking for a very affordable electric lawnmower that is very easy to assemble and use, you can’t go wrong with the Sun Joe lawnmower. Aside from it’s basic feature of a lawnmower, it has a very appealing aesthetics and does the job.

Overall score based on what I’m getting my money for: 4/5


Sun Joe MJ401E Mow Joe 14-Inch 12 Amp Electric Lawn Mower with Grass Bag

Looking for something like the Sun Joe MJ401E but the next level up? Check out these other Sun Joe products

Sun Joe iON16LM Cordless Lawn Mower | 16 inch | 40V | Brushless Motor

Sun Joe MJ402E Electric Lawn Mower | 16 inch | 12 Amp

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This Post Has One Comment

  1. Tim Moore

    If you have a bigger lawn, your best bet is to get a self-propelled unit. As the name suggests, the machine will push itself making it easier for you to do the job. All you need to do is walk behind the thing to ensure it goes in the right direction.

    Thank you for the review, love this.

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