Will the 40v 5.0AH battery also work in this model?

Yes, if it's from our GreenWorks G-Max 40v line. Please provide a model number so we can better advise you.

Whats the maximum cut height?

More than 1” and battery will run out in less than 20 minutes

My battery is a 40v 4.0ah max battery for a greenworks chainsaw, will it work in a greenworks mower that uses a 40v 5.0ah battery?

As long as the batteries are physically interchangeable (and they're supposed to be with this company), the battery is electrically compatible as it can supply the requested voltage. As long as it doesn't have insufficient cooling or some such issue it should work. The amp-hour rating is essentially a statement of capacity. "4ah" means the battery can deliver (on paper) 4 amperes, at 40v, for 1 hour (put another way, it is a (4am*40v=)160 watt hour battery). If you draw fewer watts (via fewer amperes OR volts), it'll last longer than an hour, more watts and it'll last less than an hour.

How much is an extra battery

This unit comes with 1 battery. Additional batteries can be purchased from our GreenWorks G-Max 40v line.

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Greenworks 40V 19 in Push Lawn Mower, 4.0 Ah Battery and Charger

Greenworks 40V 19 in Push Lawn Mower, 4.0 Ah Battery and Charger

Product ID: 316527414

Details

Brand
Greenworks
Color
Green
Cutting Width
21 inches
Item Weight
40 pounds
Material
Alloy Steel
Number of Items
1

⚡40V brushless power

🔋4.0Ah battery, 30 min runtime

🛠️19” durable steel deck

$1486.56

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌿 Cut the cord, not your time—powerful, quiet, and ready to roll!

CUSTOM CUT CONTROL - 7-position single lever height adjustment for precision trimming tailored to your landscape.
LONG LASTING CHARGE - 4.0Ah battery offers up to 30 minutes of cordless freedom—perfect for medium-sized lawns.
POWER THROUGH YOUR YARD - 40V brushless motor delivers torque and quiet efficiency for a flawless cut every time.
VERSATILE 2 IN 1 DESIGN - Easily switch between mulching and side discharge to keep your lawn pristine and healthy.
ECO FRIENDLY MAINTENANCE FREE - No gas, oil, or emissions—just push-button start and hassle-free mowing.

The Greenworks 40V 19" Brushless Cordless Lawn Mower combines a powerful brushless motor with a durable 19-inch steel deck and a 4.0Ah battery that delivers up to 30 minutes of runtime. Featuring a 7-position single lever height adjustment and a 2-in-1 mulching/side discharge system, it offers versatile, eco-friendly lawn care with zero emissions and minimal maintenance. Lightweight and easy to store, it’s designed for efficient mowing of small to medium yards with quiet, gas-like performance.

Specifications

ASIN	B0918YVWNW
Battery Average Life	30 minutes
Best Sellers Rank	#44,542 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #52 in Lawn Mower Batteries #105 in Walk-Behind Lawn Mowers
Brand Name	Greenworks
Color	Green
Customer Reviews	4.0 4.0 out of 5 stars (1,160)
Cutting width	21 inches
Item Dimensions D x W x H	20.08"D x 15.75"W x 29.53"H
Item Type Name	Lawn Mower
Item Weight	40 pounds
Manufacturer	Greenworks
Manufacturer Part Number	MO40L414
Material Type	Alloy Steel
Maximum Adjustable Cutting Height	7 inches
Minimum Adjustable Cutting Height	1 inches
Model Number	MO40L04
Number of Positions	7
Operation Mode	Manual
Power Source	Battery Powered
Style Name	19" Mower
UPC	841821068158

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