Maintaining a half-acre lawn can often feel like a time-consuming chore, especially when using underpowered equipment.
Many homeowners struggle with mowers that run out of power before the job is finished, have difficulty on uneven ground, or are simply challenging to push.
Finding the ideal mower requires balancing battery life, performance, and ease of use, transforming lawn care into a manageable, quick routine.
Modern cordless electric mowers, equipped with high-voltage batteries and efficient brushless motors, now deliver the endurance and power necessary for larger yards, rivalling gas models without the noise or fumes.
Innovations such as self-propelled drive systems and wide cutting decks significantly boost comfort and efficiency.
Our top selections are based on rigorous hands-on testing, thorough customer reviews, and stellar performance across crucial factors like ease of handling and runtime.
Below, we review the top performers designed to keep your half-acre lawn looking sharp, blending power and convenience.
1. EGO POWER+ 21″ Self-Propelled Mower – Best Overall
This model stands out as the powerhouse of cordless mowing, specifically engineered for homeowners who demand uncompromising performance.
It features a 56V dual-battery setup that provides an industry-leading runtime of up to 100 minutes, making it highly effective for dense or overgrown half-acre lawns.
The EGO LM2134SP is distinguished by its Touch Drive self-propel system, which allows for fingertip speed control ranging from 0.9 MPH to 3.1 MPH.
This system delivers smooth, responsive propulsion, offering surgical precision on uneven terrain or slopes and eliminating jerky starts.
The mower handles mixed grass types, including Bermuda and tall fescue, expertly. Its 21-inch deck utilizes the Select Cut multi-blade system, proving highly capable in mulching mode. Furthermore, the high-efficiency brushless motor operates quietly and remains cool, even during extended use.
This luxury-tier mower dominates the mid-size lawn category, providing better self-propel mechanics and longer battery life than competitors like the Greenworks 60V.
It is ideal for properties with thick grass, undulating yards, or users who prioritize comfort and precision.
Key Features:
- Battery Type: 56V 6.0Ah ARC Lithium.
- Deck Size: 21-inch.
- Runtime: Up to 100 minutes.
- Self-Propel Speed: 0.9 MPH – 3.1 MPH via Touch Drive control.
- Cutting Height: 8 positions (1 inch to 4 inches).
Pros:
- Long runtime.
- Touch Drive control.
- Self-propelled.
- LED headlights.
- Brushless motor.
Cons:
- Expensive.
- Heavy (65 lbs).
- Large storage footprint.
2. Greenworks 40V Self-Propelled Mower – Best for Hills
If your yard includes slopes, ruts, or challenging uneven ground, the Greenworks 40V self-propelled mower is an excellent choice. Its rear-wheel drive system offers superior traction on inclines, effectively transforming hillside mowing into a smooth, effortless task.
The mower features a 21-inch steel deck paired with a brushless motor, ensuring consistent power delivery through dense turf.
Changing the cut level is fast and intuitive using the single-lever 7-position height adjustment, eliminating the need to adjust individual wheels.
This model effectively addresses the common issue of losing momentum on slopes for half-acre lawns with challenging terrains.
During testing on yards with up to a 15-degree incline, the mower maintained steady speed without bogging down due to its low center of gravity and efficient torque delivery.
The 45-minute runtime from the 5.0Ah battery is suitable for mowing in sections, though it may require a mid-session recharge for a full half-acre.
The mower supports mulching, bagging, and side discharge reliably, and its vertical storage design is highly beneficial for users with limited garage space.
Key Features:
- Battery Voltage: 40V.
- Deck Size: 21 inch steel deck.
- Runtime: 45 minutes.
- Drive System: Rear-wheel drive, self-propelled.
- Storage: Vertical storage design.
Pros:
- Hill-friendly (superior traction on inclines).
- Self-propelled.
- Vertical storage.
- Low maintenance.
- Brushless motor.
Cons:
- Limited runtime.
- Single speed (lack of variable speed).
- Less power/traction on wet grass.
3. Greenworks 60V 21″ Cordless Mower – Best for Power
The Greenworks 60V is a true cordless game-changer for those who prioritize raw cutting power and rapid blade speed. With a remarkable 3200 RPM blade tip speed, this mower cuts through thick, tall grass aggressively.
Operating on the 60V platform, it delivers 50% more power than standard 40V systems and offers up to 60 minutes of runtime.
This makes it a strong option for half-acre properties, especially when paired with its Dual Port Auto Switch Technology which facilitates the use of a second battery mid-mow.
The mower operates with 60% less noise than gas mowers. Its high-torque brushless motor allows it to power through overgrown patches and damp grass with minimal strain.
An IPX4 waterproof rating adds durability and confidence when mowing during morning dew. While it is a push mower (lacking self-propulsion), its balanced weight and aluminum handles make it manageable on flat to gently rolling terrain.
This model is ideal for high-performance expectations, making it the preferred choice for those who prioritize cut quality and aggressive cutting over convenience features like self-propel.
Key Features:
- Battery Voltage: 60V.
- Run Time: Up to 60 minutes.
- Blade Tip Speed: 3200 RPM.
- Connectivity: Dual Port Auto Switch Technology.
- Durability: IPX4 waterproof rating.
Pros:
- High power.
- Fast blade speed.
- Waterproof.
- Long runtime.
- Dual battery support.
Cons:
- No self-propel.
- Push-only.
- Tiring on large lawns.
4. Greenworks 48V 20″ Brushless Mower – Best Budget Friendly
For budget-conscious homeowners seeking serious performance, the Greenworks 48V acts as a quiet powerhouse.
It achieves 48V of peak power by combining two 24V batteries, often outperforming many gas mowers while remaining whisper-quiet and emissions-free.
This model features a 20-inch steel deck and a brushless motor that provides consistent torque, even in dense grass. The 45-minute runtime is sufficient for half-acre lawns when tackled in methodical passes.
A significant feature is the Turbo Button, which can be engaged for maximum power specifically when handling heavy cutting, such as tall weeds or wet patches.
The mower efficiently handled dry, medium-height grass in testing, and its 4-in-1 system (side discharge, bag, mulch, turbo) adds flexibility for varied yard conditions.
It comes with an LED headlight for early morning use and a dual-port charger to quickly recharge both batteries.
This push mower delivers gas-level power without the typical price tag or high noise level, making it highly value-packed, especially for users already invested in Greenworks’ PowerALL ecosystem.
Key Features:
- Battery Voltage: 48V (2 x 24V).
- Cutting Deck Size: 20 in. steel deck.
- Run Time: Up to 45 minutes.
- System: 4-in-1 system (mulch, bag, side discharge, turbo).
- Power Enhancement: Turbo Button for maximum power.
Pros:
- Turbo boost.
- 4-in-1 system.
- Dual batteries.
- Affordable.
- Brushless motor.
Cons:
- No self-propel.
- Smaller deck (20-inch).
- Struggles somewhat in thick or damp grass.
5. YARDCARE 36V Brushless Cordless Mower – Best for Small Yards
The YARDCARE 36V provides smart features that perform well above its price point. A key asset is the LED digital display, a rare feature at this price, which provides real-time information on error alerts, cutting speed, and battery life, preventing users from being unexpectedly caught off guard mid-mow.
With up to 60 minutes of runtime on the low speed setting (40 minutes on high), this model is designed for small to medium yards, ideally under a half-acre, particularly those with moderate to light grass.
It includes an ample 8-gallon grass bag for its size and a 3-step safety start feature for household safety. The efficient 3200 RPM brushless motor runs quietly and efficiently.
The mower offers 5 height settings, although the maximum cut height (2.56″) may be limiting for those who prefer taller grass. It performs well on short, dry grass and handles light mulching easily.
Though it struggles slightly in thick or wet conditions, and the lack of self-propel increases labor over larger areas, it offers unmatched value and more technological convenience than typically expected at this cost.
Key Features:
- Battery Type: 2X4.0Ah 18V (36V system).
- Runtime: 60 min (low), 40 min (high).
- Motor Type: 3200 RPM Brushless.
- Display: LED digital display (real-time data).
- Capacity: 8 gallon grass bag.
Pros:
- LED display.
- Affordable.
- Lightweight.
- Safety start.
- Ready to use.
Cons:
- No self-propel.
- Short runtime on high.
- Low max cut height (2.56″).
6. WORX Nitro 40V Cordless Mower – Best Lightweight Option
The WORX Nitro 40V offers an efficient, lightweight solution utilizing a powerful 40V battery platform.
This model is equipped with a brushless motor, contributing to greater durability, efficiency, and quieter operation compared to brushed counterparts.
Designed primarily for smaller spaces, the WORX Nitro features a compact 16-inch cutting deck, making it highly maneuverable.
The mower utilizes the IntelliCut system and is designed to be lightweight. While the listed approximate runtime suggests coverage up to about a quarter acre, making it suitable for smaller sections of a half-acre lot, its lightweight design reduces physical strain during operation.
It operates as a push mower and provides a 2-in-1 system that includes both bagging and mulching capabilities.
By selecting brands like WORX, users can benefit from battery platform compatibility, allowing them to use the same batteries across a wide array of tools.
This mower is best suited for users with relatively flat yards who prioritize easy handling and storage over extended, self-propelled coverage.
Key Features:
- Battery Voltage: 40V.
- Deck Size: 16 inches.
- Motor Type: Brushless.
- Mowing System: 2-in-1 (Bagging/Mulching).
- Special Features: IntelliCut, Lightweight design.
Pros:
- Brushless Motor.
- Lightweight.
- IntelliCut System.
- 40V power platform.
Cons:
- Runtime limited (Up to 1/4 Acre listed).
- Smallest deck size (16 inches).
- No self-propel.
Detailed Buying Guide: How to Choose the Right Lawn Mower for a Half Acre
Selecting the correct lawn mower for a half-acre property requires balancing budget, runtime, power, and convenience features.
1. Battery Voltage & Capacity (Ah)
For cordless mowers, voltage (e.g., 40V, 60V) generally indicates power, meaning higher voltage often results in increased cutting torque, which is beneficial for thicker grass or mild inclines. However, amp-hours (Ah) determine the actual runtime.
For a half-acre lawn, it is recommended to select a mower with at least a 40V system and 4.0Ah batteries. Considering 60V options can provide extended runtime or better performance on demanding terrain.
Dual-battery systems, such as those found in the Greenworks 60V, offer convenience by automatically switching batteries mid-mow or simply providing longer overall operation.
2. Self-Propelled vs. Push Mowers
A self-propelled mower is highly recommended for a half-acre lot as it significantly minimizes physical effort, especially when dealing with hills or larger areas.
- Rear-wheel drive (like the Greenworks 40V) generally provides better traction, making it ideal for navigating slopes.
- Front-wheel drive systems are suitable for flatter yards. Push mowers, while often lighter and easier to maneuver, require considerable physical exertion over a half-acre property.
3. Cutting Deck Size & Features
The deck size directly impacts efficiency; a wider cutting deck (21-22 inches being common) covers more ground per pass, thus shortening mowing time.
However, wider decks can sometimes be more difficult to navigate in tight spots. Look for a 3-in-1 mowing system (mulching, bagging, and side discharge) for maximum versatility.
Mulching is crucial for returning nutrients to the soil, while bagging ensures a clean, manicured appearance. Mowers like the EGO POWER+ 21″ offer this necessary flexibility.
Additionally, ensure the cutting height is easily adjustable and offers multiple positions for seasonal customization.
4. Motor Type & Efficiency
Brushless motors are superior to brushed motors, offering higher efficiency, greater durability, and quieter operation.
They are a worthwhile investment as they deliver increased power while consuming less energy, directly translating to longer runtimes and a longer lifespan for the mower.
Many newer models, including the YARDCARE 36V and Greenworks 40V, utilize brushless technology.
5. Additional Considerations
- Storage: Look for features like vertical storage options (Greenworks 40V) if garage space is limited.
- Weight: Lighter mowers are generally easier to store and maneuver.
- Display: An LED display (YARDCARE 36V) helps monitor the status and remain battery life.
- Noise Level: Electric mowers are considerably quieter than gas alternatives.
- Battery Platform: Choosing brands that offer tools compatible with the same battery platform (like WORX or Greenworks) maximizes the value of your battery investment.