NBKXDEL 18-Inch 40V Cordless Mower Review: Who It Fits and Who Should Skip It

What stands out

• Brushless motor for durable performance and lower noise
• Two 8.0Ah batteries provide up to 60 minutes of runtime
• 18-inch cutting width suits small gardens
• 6-position single lever height adjustment from 1 to 3 inches
• 2-in-1 capability for bagging or mulching clippings

Who it fits

Key specs explained

Cutting Width: 18 in

This mower has an 18-inch cutting deck. You will make more passes to cover your lawn compared to wider models. This size is ideal for small yards or tight spaces. It offers better maneuverability around flower beds and obstacles. If you have a large property, a wider deck saves time. For smaller gardens, this width provides precise control and easier storage.

Runtime: 60 min

The batteries provide up to 60 minutes of operation. This allows you to mow lawns up to 8000 square feet. You can finish most small to medium yards in one go. Check your yard size before buying. Larger areas may require a second charge or a different model. This runtime is sufficient for typical suburban homes with modest grass coverage.

Battery Capacity: 8.0Ah

Each battery holds 8.0 amp-hours of power. The mower uses two batteries for a total of 40V. Higher capacity means longer runtimes between charges. This setup supports the 60-minute runtime claim. It also ensures consistent power delivery during cuts. You can recharge them with the included 45W charger. This capacity is suitable for regular weekly maintenance tasks.

Motor Type: Brushless

The motor is brushless, which reduces friction and wear. You get longer motor life and lower noise levels. It runs cooler and uses energy more efficiently than brushed motors. This means less maintenance for you over time. You can mow earlier in the morning without disturbing neighbors. The 3600 RPM speed ensures clean cuts through typical grass.

Cutting Height: 1-3 in, 6 positions

You can adjust the deck height from 1 to 3 inches. There are six distinct positions for fine-tuning. A single lever makes changes quick and easy. Higher settings help when grass is long or wet. Lower settings give a manicured look. This range covers most lawn care needs. You can adapt the height to seasonal growth patterns easily.

Design and build overview

According to the listing, the NBKXDEL mower has a compact footprint. The unit measures 29.1 inches in length, 14.8 inches in width, and 19.1 inches in height. It weighs 31.6 pounds. This size makes it easy to store in small sheds or garages. The push design means you provide the forward motion. You control the pace and direction manually. This layout suits tight spaces and narrow pathways where larger mowers cannot fit.

The control scheme is straightforward. A single lever adjusts the cutting height across six positions. You can set the deck between 1 inch and 3 inches. This allows you to match the cut to your grass type and season. The 18-inch cutting width requires more passes than wider models, but it improves maneuverability around obstacles. The brushless motor runs at 3600 RPM. This provides consistent power without the maintenance needs of brushed motors.

The finish and materials are not detailed in the published specifications. You should check the product images for visual cues on durability. The mower includes a 9.2-gallon bag for bagging or a mulching kit. This 2-in-1 system lets you switch functions quickly. The overall design prioritizes simplicity and ease of use for small lawns. It is built for users who value manageable weight and compact storage over wide coverage.

Setup and everyday use

Setup begins with inserting the two 8.0Ah batteries into the deck. The listing notes these are compatible with the DeWalt 20V series, which may help if you already own tools from that ecosystem. You will need the included 45W PD charger to power them. Charging is fast, supporting up to 60 minutes of runtime per full charge. This capacity covers lawns up to 8,000 square feet.

Daily use starts with height adjustment. A single lever offers six positions, ranging from 1 to 3 inches. You can switch settings quickly to match grass conditions without complex tools. The mower is a push model, so you guide it manually. The brushless motor runs at 3600 RPM, providing steady power while keeping noise lower than brushed alternatives. This allows for early morning mowing without disturbing neighbors.

You can choose between two functions. The 9.2-gallon bag collects clippings for disposal. Alternatively, the mulching mode chops grass into fine pieces to return nutrients to the soil. The 18-inch cutting width requires more passes than wider decks but improves maneuverability around obstacles. The package includes two replacement blades, so you have spares ready when needed. The compact dimensions, measuring 29.1 inches long and 14.8 inches wide, make it easy to store in small sheds after use.

Before You Buy This Mower

You should verify that your existing DeWalt 20V tools use the same battery format as the included 8.0Ah packs. If you do not own compatible power tools, you must purchase the batteries separately, which adds to the initial setup. The mower covers up to 8000 square feet. Larger yards will require multiple charging cycles. Keep the spare blades ready for replacement. The 6-position height lever is simple, but you must clear debris from the deck after each use to maintain the mulching function. This model is a push mower. It lacks self-propulsion. If you have slopes, you may need a self-propelled alternative. The brushless motor is efficient, but runtime drops if the grass is wet or tall. Check your storage space. The unit fits in small sheds, but the batteries need separate charging room. Compare this to wider 21-inch models if you have open areas. This 18-inch deck is best for tight spaces and maneuverability around obstacles.

Check before you buy

• Confirm your DeWalt 20V tools match the battery type
• Ensure your yard is under 8000 square feet
• Check if you need self-propulsion for slopes
• Verify storage space for the mower and charger

The product at a glance

1

NBKXDEL 18-Inch 40V Cordless Mower with 8.0Ah Batteries

Best for: small gardens and quiet operation

Power Source

Cordless battery

Cutting Width

18 in

Voltage

40V

Drive Type

Push

Battery Capacity

2x 8.0Ah

Runtime

60 min

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This 18-inch push mower uses a brushless motor and two 8.0Ah batteries for up to 60 minutes of runtime. It handles lawns up to 8,000 square feet with mulching or bagging options. The single-lever height adjustment offers six settings from 1 to 3 inches. It is designed for small gardens where maneuverability matters more than wide coverage.

Pros

• Brushless motor runs quietly and durably
• Two 8.0Ah batteries provide 60-minute runtime
• Mulching and bagging capabilities included
• Battery compatible with Dewalt 20V series

Cons

• Push design requires manual effort
• 18-inch cutting width covers less area per pass
• No self-propulsion for hilly terrain

Good fit if

• You have a small garden under 8,000 square feet
• You prefer quiet operation for early morning mowing
• You already own Dewalt 20V batteries

Skip if

• You need to mow large, flat lawns quickly
• You have steep hills requiring self-propulsion
• You want a wider 21-inch cutting deck

Verdict: NBKXDEL 18-Inch 40V Cordless Mower fits small yards where quiet, flexible cutting matters more than speed.

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Frequently asked questions

See also

• nbkxdel 18 inch 40v cordless mower alternatives
• best NBKXDEL brushless lawn mowers
• greenworks 40v 18 in cordless review
• greenworks 40v 8 inch cordless polesaw review