A Great Portable Cordless Option for Small to Mid-Sized Yards

The Greenworks 14-inch 40V Cordless Lawn Mower (model CK40B410) is a compact yet powerful battery-powered electric mower geared towards homeowners with small to medium-sized yards of up to 1⁄4 acre. This mower is lightweight at only 42.5 pounds and comes equipped with a 4Ah battery and charger. Key specs include a 14inch metal deck, two-in-one capability to side discharge or mulch clippings, 10 position manual height adjustments from 1.25 to 3.75 inches, and rust-resistant zinc-coated steel blades. It does not have self-propelled functionality but is easy to push due to its relatively light overall weight. This mower carries Greenworks’ industry leading 4 year warranty for both tool and battery.

Design & Build Quality

The Greenworks 40V 14-inch electric mower features a rugged steel deck that provides durability. The deck is made with thick double-walled steel which gives it the strength to withstand impacts from debris like sticks or small rocks without denting or warping.

Despite the robustness of the deck, the mower is still lightweight and portable. At just 33.5 pounds total weight, it won't fatigue you after long mowing sessions or present difficulties when lifting into a storage area or car trunk.

The handle is adjustable to two different positions based on user height and preferable handle angle. This gives you more control within a comfortable range of motion. The handle folds easily for compact storage as well.

Other components of this mower are engineered for reliability as well. The polymer wheels hold up well through different seasons and varying lawn conditions. Bearings in the wheels and motor are sealed to resist dirt buildup and moisture over time.

So while not "commercial duty", this 14-inch model from Greenworks offers homeowners impressive structural integrity and portability at a reasonable price. The quality allows it to withstand frequent use each week and last for multiple years.

Battery Life & Charging

The Greenworks CK40B410 lawn mower comes with a 40V, 4Ah lithium-ion battery. Greenworks states this battery provides up to 45 minutes of run time when used to mow grass. Of course, run times can vary depending on grass conditions.

Charging the battery from empty takes about 1.5 hours with the included charger. This is about average for electric mowers with similar battery capacities. The battery gauge lets you check the remaining charge, so you won't get caught off guard mid-mow.

One nice feature is that the same 40V battery can be used with other Greenworks 40V outdoor power tools. So if you have other Greenworks products, you can share batteries between them.

Overall the 40V battery provides reasonable run times without excessive recharging needs. And the ability to use it with multiple tools adds versatility.

Cutting Performance

The Greenworks 14-Inch 40V cordless lawn mower delivers impressive cutting performance for a battery-powered mower. It has a 14-inch cutting deck, which is about average size for a walk-behind electric mower. The cutting width allows you to mow small to mid-sized yards efficiently.

While corded electric mowers often have more torque and higher blade speeds compared to battery-powered models, this Greenworks mower has sufficient power to cut through average thickness and moderately tall grass without bogging down. Its brushless motor spins the steel blade at up to 3,450 rpm, providing a clean cut.

The two 4Ah 40V lithium-ion batteries contain enough sustained power for up to 60 minutes of mowing time. This allows the mower to maintain consistent blade speed and cutting effectiveness over that duration before needing to be recharged or swapped with the included second battery.

The cutting quality is also aided by the mower's rear bagging capability and side discharge option for releasing clippings. Most users are satisfied with the cutting performance of this electric Greenworks mower for typical residential mowing needs. It may require more passes for thicker grass.

Ease of Use

The Greenworks 40V 14-inch cordless lawn mower with a push button start and single lever to control speed and engage the blade makes it easy to operate for most users. It is on the lighter side weighing just over 50 pounds which improves maneuverability around obstacles and going in reverse.

The four rear wheels rotate smoothly allowing tight turns around trees, flower beds, and other landscaping features. The cutting height can be adjusted using the single lever on each wheel with 3 positions from 1.25 inches up to just over 3 inches. This easy to use single-point height adjustment makes it simple to vary the cut for different grass conditions. Similar to most mowers, it operates at a fixed speed rather than variable speed control which may take some getting used to for users accustomed to gas mowers. Adjusting the single handle changes both speed and engages the blade which can feel awkward at first but after becoming familiar with the operation most users will find it simple to engage the blade smoothly at the initial speed selected.

The intuitive controls, lighter weight, and maneuverability of the Greenworks 14-inch mower enhances ease of use and makes it a viable option for those who prefer corded electric over gas for home use. The single point height adjustment could be difficult for some users but the overall user-friendly design and push button start live up to its reputation for simplicity.

Noise Level

The Greenworks 14-inch 40V cordless electric lawn mower operates at around 80 decibels while cutting grass. This sound level is significantly quieter than gas lawn mowers. It allows you to mow the lawn without needing hearing protection or disturbing your neighbors.

Some key things contributing to the quiet operation are:

• Battery-powered with no gas engine producing noise. The brushed 40V electric motor runs very smoothly and quietly.

• The mower deck design helps dampen noise to keep the sound level low while cutting grass. It has a more solid feel with minimal vibrations compared to some other lightweight electric mowers.

• The 14-inch cutting deck is not overly large, so the noise is contained and directed mostly down toward the ground rather than to the sides where you walk behind it.

Overall, the noise level is definitely a major selling point and advantage over rival gas mowers. It allows you to mow early in the morning or late evening without high noise levels troubling neighbors. Most users are very satisfied with how quiet the operation is.

Additional Features

Mulching - The Greenworks 40V 14-inch cordless electric lawnmower includes a mulching plug that allows you to mulch clippings back into the lawn as a natural fertilizer. This model can either mulch or side discharge grass clippings.

Bagging - This Greenworks mower also comes equipped with a rear bagger for bagging your grass clippings. The 1.9 bushel hardtop bag has an indicator window so you know when the bag is full and needs to be emptied.

Wash Port - Cleaning the under carriage of your lawnmower is made easy thanks to the integrated wash port on this model. Simply attach your garden hose to the port and let the water flow to wash away clippings and debris from under the mower deck. This helps reduce corrosion and keeps your blades spinning freely for optimal cutting performance.

Maintenance

Similar to most electric lawn mowers, maintenance requirements on the GreenWorks CK40B410 are minimal. The 14-inch deck enclosure is made of rust-proof polymer plastic, so there is little need for rust protection or paint upkeep over time.

The brushed motor is nearly maintenance free as well. No spark plugs, oil changes or tune ups needed. Simply checking/replacing the blade every few years is recommended. And occasional removal of grass clippings from under the deck to prevent buildup and clogging.

The 4.0Ah battery requires no maintenance itself. Just charging after each use. GreenWorks does recommend fully depleting and recharging the battery every 10-20 cycles to maximize long term battery life.

Overall maintenance duties are light with this mower. Mostly comprised of periodic blade sharpening/replacement, deck cleaning and proper battery care best practices. Users report the mower holding up well over time with basic upkeep.

Pros & Cons

The Greenworks 40V Cordless 14-inch Lawn Mower has a lot of good qualities, but also a few limitations to consider.

Pros

• Powerful brushless motor provides excellent cutting power
• Large 14-inch cutting deck allows you to mow quickly
• 40V 4Ah battery runs for up to 45 minutes on a full charge
• Battery charger recharges battery pack quickly
• Foldable handles make storage simple

Cons

• Short 45 minute run time requires multiple batteries for larger yards
• Occasionally leaves small uncut patches of grass on thick lawns
• No electric start requires pulling starter cord
• Battery and charger add significant cost

The Greenworks mower offers strong cutting performance from an eco-friendly electric platform. Just be prepared to invest in extra batteries and storage space to support a cordless tool. Careful mowing patterns will help ensure uniform cutting across your entire lawn.

Conclusion

The Greenworks 14-inch 40V cordless electric lawn mower delivers solid performance and good battery life at an affordable price point. This is a suitable option for maintaining a small-to-medium yard up to about 1-1.4 acres, and the machine is lightweight and easy enough for most users to maneuver.

Overall, this electric mower gets the job done reliably if you're looking for a cordless, electric mowing alternative for residential use without the fumes of gas lawn mowers. The 2.5Ah and 4Ah batteries provide decent run times, while the 2-in-1 deck handles discharge and mulching and doesn't take much effort to flip between the two functionality options. While this machine isn't as powerful as commercial or self-propelled gas mowers, it strikes a good balance between mowing capability and price for typical home use cases.

Note that the machine, accessories, and batteries should be stored properly to attain the full 1-1.4 acreage cutting capacity over multiple charges. Make sure to check GreenWorks' recommendations and warranty coverage information. But for households within the intended use case seeking an affordable cordless mower, the CK40B410 is an excellent budget-friendly choice.