40V Power Share 4.0Ah 14" Cordless Lawn Mower + 2 Bonus 4.0Ah Batteries

40V Power Share 4.0Ah 14" Cordless Lawn Mower + 2 Bonus 4.0Ah Batteries is rated 4.4 out of 5 by 465.
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5 Year Warranty
30 Day Guarantee
As low as $598.99 Regular Price $389.99
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  • Limited time bonus battery deal: Get (2) additional 4.0Ah batteries for just $99 (included in total price) so you can mow the whole lawn with no downtime, or use in your other 20V, 40V, or 80V Power Share tools.
  • 14" 40V Max Lithium-ion Cordless Mulching Lawn Mower with 2 removable 20V 4.0Ah Power Share batteries and Intellicut technology.
  • IntelliCut™ feature provides torque on demand for tougher conditions.
  • Mows up to 5,500 sq. ft. on a single charge.
  • Lightweight and compact—easy to maneuver and easy to store.
  • Two 20V (4.0Ah) Power Share batteries deliver 40V of power to cut through the thickest, tallest grass.
  • Charge indicators right on the batteries tell you how much mow you have left to go.
  • Dual-port charger fills your batteries back up with juice in just an hour.
  • Same Battery, Expandable Power. The same battery powers over 75+ 20V, 40V, and 80V lifestyle, garden, and power tools in the Power Share™ family.
Max Cut Area/Charge
5,000 FT²
Rated Voltage
40V (2X20V MAX)
Deck Width
14 in.
Cutting Diameter
13 in.
Cut Height Range
1.5-3.5 in.
Grass Bag Capacity
0.85 Bushels
Machine Weight
29.1 lbs.
5 yrs.
(1) - 40V Lawn Mower
(1) - Mulch Plug
(1) - Grass Collection Bag
(1) - Cable Clip
(2) - 4.0Ah Batteries (WA3578)
(2) - 4.0Ah Power Share PRO Batteries (WA3012)
(1) - 20V Dual Battery Charger

Yes, this cordless mulching mower comes with two (2) 20V Power Share 4.0ah batteries and (2) bonus Power Share PRO 4.0Ah batteries and a dual-port charger for efficient charging.

The 40V Power Share™ tools are designed to work with two batteries and will not operate with just one battery installed. For optimum performance, both batteries should be of the same Amp-Hour (ah) rating and fully charged.

This lawn mower is not self-propelled, but is still agile and easy to work with.

The deck width is 14" and the cutting width is 13" to deliver great cutting efficiency for smaller yards

This lawn mower's cutting deck is made of durable, lightweight plastics making it highly maneuverable and lighter than its metal counterparts.

You can adjust the cutting height of this Lawn Mower to give you exactly the cut you want. Switch between multiple different cutting height positions with an easy-to-use single-lever adjustment.

The hard-topped grass collection bag features a capacity indicator to let you know when it’s full.

This lawn mower can be used with or without the collection bag. If you’d rather not collect your clippings, you can use the rear discharge or mulching feature to feed the trimmings back into your yard to nourish it naturally.

This lawn mower features bag collection and mulching capabilities to help nourish your lawn naturally. Please see our selection of other lawn mowers if you are interested in a side-discharge function.

Patented IntelliCut™ technology is an innovative way of utilizing battery power to best fit the needs of your lawn and maximize your run time. With two modes, Eco and Turbo, IntelliCut™ provides additional torque on demand and the ability to conserve battery when desired.

While your lawn mower is powerful enough to handle wet grass, we don’t recommend mowing wet grass. Wet grass can inhibit cutting performance, form clumps that interfere with the mulching action and/or reduce runtime. For best performance, wait until the grass dries before cutting.

Since this lawn mower is designed for easy, compact storage when not in use, it’s shipped to you in a similar configuration to save on shipping. There is some minor assembly required, but will take less than 5 minutes and will not require any tools.

Changing blades on this lawn mower is easy! You’ll need protective hand gloves and a spanner wrench to remove the blade. For detailed instructions and illustrations, review the owner’s manual.

Storing the mower outside is not ideal and is not recommended. Worx lawn mowers fold into a compact shape to make storage in your garage or shed easy. For more information about folding down the mower for storage, review your owner’s manual.

Our lithium-ion (Li-Ion) tools and nickel-cadmium (Ni-Cad) tools are separate battery platforms and are not interchangeable. Li-Ion batteries offer our customers maintenance-free technology without the hassle of managing the memory effect inherent in Ni-Cad batteries.

The Power Share PRO series of WORX high-capacity batteries are designed for optimal performance and come standard with the WORX NITRO product offering. These batteries utilize an intelligent battery management system that monitors each cell to enhance, power, performance, and runtime.

Innovative, thermoplastic material encases each cell to pull heat away and maximize the cell’s performance, resulting in longer runtime.
360° cell protection provides increased security against vibration, drops, and water intrusion. This full-wrap design limits the influence that a compromised cell can have over the rest of the battery pack.

While 20V Power Share allows you to share batteries between tools within the same voltage family, batteries should only be used with tools of a corresponding voltage. Use your 20V MAX Lithium battery with any 20V WORX tool.

If you decide your mower isn’t right for you, we offer a 30-day Money Back Guarantee from the date of receipt (less shipping and handling). 

California Proposition 65 Warning 

Warning: This product can expose you to chemicals including lead and Di(2-ethylhexyl)phthalate (DEHP) which are 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.

ADVERTENCIA: Este producto puede exponerle a químicos incluyendo lead and Di(2-ethylhexyl)phthalate (DEHP), que son conocidos por el Estado de California como causantes de cáncer y defectos de nacimiento u otros daños reproductivos. Para mayor información, visite www.P65Warnings.ca.gov.

AVERTISSEMENT: Ce produit peut vous exposer à des agents chimiques, y compris lead and Di(2-ethylhexyl)phthalate (DEHP), identifiés par l'État de Californie comme pouvant causer le cancer et des malformations congénitales ou autres effets nocifs sur la reproduction.  Pour de plus amples informations, prière de consulter www.P65Warnings.ca.gov.



The WORX WG779 14" Mower costs less to operate and is cleaner for the environment. Plus, modern controls and technology means you can cut your lawn more efficiently.




This mower has a lot of power. IntelliCut™ manages that power, so you can dial down energy usage when the land is flat and the grass is easy, but dial it back up when the mowing gets tougher.


Two 20V 4.0Ah Power Share batteries means greater power to mow more efficiently. And you can share these batteries with other WORX Power Share tools in your arsenal.


6 different levels of cutting height adjustments let you customize your grass length. So depending on the season, or just your preference, you can flip the lever to cut from 3.5" down to 1.5".

WORX Power Share Battery, Blower, Lawn Mower, Portable Power Cleaner, Hedge Trimmer and Clippers and Power ToolsWORX Power Share Battery, Blower, Lawn Mower, Portable Power Cleaner, Hedge Trimmer and Clippers and Power Tools
20V Power Share Logo20V Power Share Logo

Same Battery, Expandable Power

The same battery powers over 75+ 20V, 40V, and 80V lifestyle, garden, and power tools in the Power Share™ family.



WORX was built on a platform of innovation, power and performance. Our tools are engineered with superior technology and utility built into every contemporary design, so you can perform with precision.