Model#: SUNNMJ401C

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Sun Joe MJ401C 28V Cordless Lithium-Ion 14 in. Lawn Mower Kit

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Product Overview


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 28V lithium-ion battery, and mows over 10,000 sq-ft. on a single charge, for the ultimate in cordless convenience. And when the work day is done, simply plug in and power up.
  • Best used in 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. wide path
  • Peak performance 28V rechargeable Li-Ion battery for up to a quarter acre of continuous mowing per charge
  • Detachable 10.6 gallom grass catcher for easy disposal
  • Tailor cutting height with 3-position manual height adjustment
  • Battery
  • Charger


Cordless: Yes
Bag Capacity: 10.6 Gal.
Cutting Path: 14 in.
Voltage: 28V
Wheel Size (Front): 5.5 in.



4.9 / 5.0
54 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great little Lawn Mower!
I have a property that has three sections of grass on two different levels of land
.I was looking for a light mower because I have to carry it up and down steps twice every time I need to mow. This little mower is PERFECT for me!, I love this little dude, worth every penny.
May 27, 2018
Originally posted at
Very Nice Mower
Mower is very easy to put together and use. Worked like a dream. I called back to order a side discharge. Athena, the CSR was very friendly and helpful. So far I have been extremely pleased with the mower and the company.
May 23, 2018
Originally posted at
Very good product!
Extremely easy to use. It's the best for not large yards. For example, my front yard is about 0.15 acres and the backyard is as much. I can finish my front yard in the morning, charge the battery, and do the backyard in the afternoon or next day. With one charge, I think, it can be run for about 25 minutes or 30 minutes sometimes.
May 8, 2018
Originally posted at
Glad I switched to this cordless mower!
I am so glad I purchased this mower. I was a bit nervous the first time I mowed my lawn. It has a hill in front and two hills in back with terraced steps. So it was a pain to lug the gas mower I owned up the 3 flights of steps. I can lift the Sun Joe with one hand! Amazing!

The Sun Joe turns on and off so easily (the push of a button to turn it on). No more pulling a rope and priming an engine with my old gas mower, just press the button and you're off to the races).

My lawn took a little longer to mow since this mower is 14-inch, but I don't mind the extra time (it's more exercise) and the battery got me almost through the entire lawn. Better than I expected! It recharged in a few hours and I was ready to finish the job.

The Sun Joe cut a nice clean lawn, even crisper looking than my old gas mower. And a few fallen twigs and small branches which I forgot to pick up were no match for this mower. It chopped them up nicely.

One nice feature about this mower which I was not aware of ... when you first turn it on it's in a low setting (very quiet) which is great for most grass, but when you hit a taller patch of grass it automatically switches to the higher setting to handle the higher grass! Ingenious! I'm assuming this helps the battery to last longer, so when I get back out of a “jungle patch” of grass, I switch it back to the low setting to save on battery (which is done by stopping the mower and starting it back up, which is just the push of a button).

Very happy customer. Thank you Sun Joe!
May 7, 2018
Originally posted at
Very good product
This mower has done just what the owners manual says. The battery has kept it's charge longer than it said. Works so good I am buying a stringless trimmer.
May 6, 2018
Originally posted at
previous reviews right on
relative easy to assemble. narrow swath. bag needs emptying often. performance declines in wet conditions. all in all adequate choice for us.
May 5, 2018
Originally posted at
This lawnmower is very easy to use for us old man!
April 28, 2018
Originally posted at
Light weight And easy to use. Does a great job. Makes me want to mow my small lawn more than once a week. Easy to dispose of grass in the hopper. I am 82 years old and mowed a lot of lawns since I was a kid. with different machines. This is the slickest one ever. No power cord makes it easy to use with just the battery in the machine.
April 28, 2018
Originally posted at
Absolutely LOVE this mower!
Things I love:
Automatically adjusts to how much power is needed
Green energy
Lightweight but powerful
3 grass height level
Excellent price
April 15, 2018
Originally posted at
Love it!
No fussing with gas or cords! Durable and powerful. Works great! Easy to build and use
April 11, 2018
Originally posted at

Questions & Answers

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Is battery removable for charging?
A shopper on May 14, 2018
BEST ANSWER: No, the battery is an internal battery that is not removed when it is being charged.