Finding the best electric lawn mower under $300 can be challenging, as homeowners often struggle to balance sustained performance, runtime, and durability within a tight budget.
Many budget cordless mowers are notorious for losing charge too quickly or lacking the power needed for thick grass, leading to uneven results.
Fortunately, the top models in this price range have overcome these issues by incorporating advanced features like 40V or dual-battery systems and brushless motor technology for sustained efficiency.
We focused on highly reliable, top-rated picks that offer versatility and extended runtimes without exceeding your budget, ensuring you can achieve a clean, professional cut every time.
1. Cordless Electric Lawn Mower w/Dual Battery – Best Overall
This cordless powerhouse redefines value in the sub-$300 segment, delivering serious runtime and smart engineering without breaking the bank.
Equipped with a high-efficiency brushless motor spinning at 3,400 RPM, it confidently tackles medium-sized lawns.
It is backed by dual 40V 4.0Ah batteries, offering up to 50 minutes of continuous mowing time, depending on grass density.
The 15-inch cutting deck glides cleanly through light weeds and thick grass, and the 6-position height adjustment (ranging from 1 to 3 inches) allows you to tailor your cut seasonally.
A key game-changer is the dual-port rapid charger, which can replenish both batteries in just 30 minutes, keeping your workflow seamless and eliminating downtime.
Weighing under 36 lbs, it is easy to push even on slight inclines, and the foldable handle simplifies storage in tight sheds. Compared to similarly priced models, this mower provides better build quality, smarter charging, and more cutting power than the MightyMow or Litheli.
Key Features
- Battery System: 40V 4.0Ah dual battery
- Runtime: 50 minutes (continuous)
- Motor: Brushless motor (3,400 RPM)
- Height Adjustment: 6 positions (1-3 inches)
- Deck Size: 15-inch cutting deck
Pros
- Dual 4.0Ah batteries provide long runtime
- Rapid dual-port charger minimizes downtime
- High-efficiency brushless motor
- Foldable design aids compact storage
Cons
- Lacks a mulching mode
- Narrow 15-inch deck requires more passes on larger yards
- No LED battery indicator
2. YARDCARE 36V Brushless Cordless Lawn Mower – Best Mid-Range
The 2025 YARDCARE 36V mower elevates the mid-range experience with smooth operation and smart technology, making it a standout pick.
Powered by two 18V 4.0Ah batteries (36V total), it provides up to 60 minutes on low power or 40 minutes on high power, making it ideal for lawns up to 1/3 acre.
Its 3,200 RPM brushless motor runs quietly and efficiently, extending the lifespan and reducing vibration—perfect for early morning use.
A rare feature at this price point is the built-in LED digital display which provides real-time feedback on battery life, speed, and error alerts.
The mower offers five height settings (0.98 inches to 2.56 inches) for fine-tuned control, adapting easily from rapid spring growth to summer maintenance.
It handles flat terrain effectively and includes a reliable three-step safety start system, beneficial for homes with pets or children.
The YARDCARE is a smarter selection for detail-oriented homeowners who prioritize clean operation and effective battery monitoring over raw power.
Key Features
- Battery System: 2X4.0Ah 18V (36V total)
- Runtime: 60 minutes (low) / 40 minutes (high)
- Motor: Brushless
- Display: Built-in LED digital display
- Capacity: 8-gallon grass bag
Pros
- Features a useful LED display for real-time monitoring
- Long battery life on the low setting
- Quiet, efficient brushless motor
- Family-friendly safety start system
Cons
- No self-propelled option
- Less aggressive cutting capability than 40V models
- 8-gallon bag may fill fast on dense grass
3. Greenworks 40V 21″ Brushless Cordless Mower – Best Self-Propelled
If you are battling dense growth or sloped lawns, the Greenworks 40V 21” self-propelled mower delivers professional-grade performance, eliminating gas, oil, and emissions.
The rear-wheel self-propelled drive is a game-changer, eliminating pushing effort and allowing you to conquer thick turf and hills easily, which is a rare advantage in this category.
Its wide 21-inch steel deck and high-torque brushless motor provide superior cutting width, potentially reducing mowing time significantly compared to narrower models.
The single 5.0Ah battery offers up to 45 minutes of runtime, adequate for about 1/2 acre under standard conditions. This model is highly versatile, featuring a 3-in-1 system that allows for bagging, mulching, or side discharge.
The intuitive 7-position single-lever height adjustment ensures precision. A significant bonus for users with limited space is the vertical storage design, which saves 70% of garage space.
Although its price point is near $330, it is justified by the higher performance tier, wider cut, and self-propulsion convenience, making it the clear choice if you can stretch your budget.
Key Features
- Voltage: 40V
- Deck Size: 21 inches (Steel)
- Drive: Rear-wheel self-propelled
- Cutting System: 3-in-1 (Bag, Mulch, Side Discharge)
- Storage: Vertical storage design
Pros
- Self-propelled drive eliminates pushing effort
- Wide 21-inch steel deck covers ground quickly
- Offers versatile 3-in-1 cutting modes
- Brushless motor provides high torque
Cons
- Heavy at nearly 60 lbs
- No second battery included, leading to downtime for large yards
- Exceeds the typical $300 price point for the category
4. MZK 40V 13” Cordless Electric Lawn Mower – Best Budget Friendly
The MZK 13” mower is built as a compact beast, ideal for tight spaces, small yards, and users who prioritize lightweight agility.
Weighing a mere 24.3 lbs, it is one of the easiest cordless mowers to maneuver, making it perfect for beginners, seniors, or those with limited strength.
Despite its small size, it does not sacrifice battery life, utilizing a brushless motor and dual 4.0Ah batteries to deliver up to 50 minutes of runtime—an impressive feat for its class.
The 13-inch cutting deck requires more passes but significantly enhances precision around flower beds, garden edges, and trees.
It includes four height settings, ranging from 1.2 inches to 1.5 inches, which is sufficient for regular maintenance. Its ultra-light frame and foldable handle make storage and transport effortless, even if you need to carry it up stairs.
The MZK offers the best value for price-sensitive buyers, winning on runtime per dollar and lightweight performance.
Key Features
- Battery Type: 2 x 20V 4Ah (40V Dual)
- Cutting Width: 13 inches
- Motor: Brushless motor
- Weight: 24.3 pounds
- Height Adjustment: 4 positions (1.2” to 1.5”)
Pros
- Ultra-lightweight design makes it easy to maneuver
- Uses powerful dual 4.0Ah batteries
- Features an efficient brushless motor
- Compact, foldable design saves space
Cons
- Small 13-inch deck
- Limited height adjustment range
- 25L bag fills quickly, requiring frequent emptying
5. MightyMow Electric Lawn Mower Cordless – Best Lightweight
The MightyMow 20V 13” mower is the lineup’s lightweight warrior, weighing just 24 lbs, making it incredibly easy to push and store—ideal for fatigue-free operation.
It comes equipped with two 4.0Ah batteries, offering a total runtime of up to 40 minutes (20 minutes per battery), which is solid performance for a 20V system.
Crucially, it provides better flexibility than many budget models with a 5-position single-lever height adjustment (ranging from 1 inch to 2.6 inches).
A standout feature is the 35L grass bag, which is larger than average and helps reduce the frequency of stops for emptying, despite the narrow deck.
Assembly is simple, and the push-button start is reliable. This model handles short to medium grass with ease, but the lower 20V motor lacks the necessary torque when encountering damp or very thick turf.
It is best suited for light-duty mowing or very small yards where effortless handling and minimal physical strain are the highest priorities. The MightyMow wins on height adjustability and bag size when compared to other entry-level options.
Key Features
- Voltage: 20V (Dual 4.0Ah batteries)
- Deck Width: 13 inches
- Run Time: 2×20 minutes (40 minutes total)
- Capacity: 35L grass bag
- Weight: 24 lbs
Pros
- Extremely lightweight (24 lbs)
- Features a large 35L grass bag
- 5 height adjustment settings
- Backed by a 3-year warranty
Cons
- 20V system delivers low power and torque for thick grass
- Shorter runtime per single battery charge
- Features a plastic deck
6. Litheli Cordless Lawn Mower 13 Inch – Best Compact Storage
The Litheli U20 Handy+ is the true king of portability and compact storage, engineered perfectly for ultra-small yards, apartment patios, and storage-challenged urbanites.
At just 24 lbs, and featuring a fully foldable handle, it collapses into a small footprint ideal for storage in a closet or behind a door. It reaches 3,400 RPM for a clean cut on light to medium grass and offers five height adjustments (1 inch to 2.5 inches).
Its most notable feature is the universal Litheli battery, which is compatible across other tools and uniquely doubles as a portable power bank for charging devices like tablets and phones, adding multi-function utility beyond simple mowing.
Due to its focus on portability, the single 4.0Ah battery provides a short runtime of only about 15 minutes, covering around 1,300 square feet.
The modest 8-gallon grass bag also requires regular emptying. The Litheli trades longer runtime and dual batteries for unmatched battery versatility and storage convenience, making it the best compact storage choice, especially for those who already use Litheli tools.
Key Features
- Cutting Width: 13 inches
- RPM: Reaches 3,400 RPM
- Runtime: 15 minutes on a full charge (single 4.0Ah battery)
- Height Adjustment: 5 settings (1 In to 2.5 In)
- Special Feature: Universal battery doubles as a power bank
Pros
- Ultra-compact, fully foldable design
- Universal battery compatible with other tools
- A battery acts as a portable power bank
- Offers 5 cutting height settings
Cons
- Uses only a single battery
- Very short 15-minute runtime
- Small coverage area, only suitable for tiny lawns
Detailed Buying Guide: How to Choose the Right Electric Lawn Mower Under $300
When shopping for an electric lawn mower within the tight $300 budget, focusing on critical features that determine its performance and suitability for your specific yard is essential.
1. Battery Life & Voltage
Battery life is crucial, especially for maximizing coverage in this price range.
- Voltage: A 40V battery is generally recommended as the baseline, offering the best balance of power and runtime for medium-sized yards. While 20V options exist, 40V systems provide more consistent performance.
- Dual Systems: Look for mowers that include a dual-battery system (like the Cordless Electric Lawn Mower w/Dual Battery or MZK 40V), as this significantly extends runtime and allows you to complete larger areas without interruption.
- Amp-Hour (Ah) Rating: A higher Ah rating (e.g., 4.0Ah) provides longer mowing time than a lower rating (e.g., 2.0Ah).
- Runtime Expectations: Aim for an electric lawn mower that offers at least 30–45 minutes of runtime on a single charge.
2. Motor Type: Brushless vs. Brushed
The motor type heavily influences the mower’s longevity and performance.
- Brushless Motors: Found in models like the Greenworks and YARDCARE, brushless motors are generally quieter, more efficient, and require less maintenance than brushed motors. They are a worthwhile investment as they tend to last longer and deliver more sustained power when tackling thicker grass or inclines.
- RPM: The motor’s speed (RPM) indicates its power; higher RPM generally equates to better cutting capability.
3. Cutting Features & Adjustability
Consider how the mower handles grass clippings and the level of customization it offers:
- Height Adjustments: Multiple height adjustments (e.g., 5 or 6 positions) are necessary for adapting to seasonal growth and achieving a clean, even cut across different grass types.
- 3-in-1 Design: A “3-in-1” design (found on the Greenworks 40V 21” model) provides the most versatility, allowing for rear bagging, side discharge, and mulching. Mulching is beneficial as it returns nutrients to the soil.
- Bag Capacity: The size of the grass collection bag (around 8 gallons is standard) dictates how often you will need to stop and empty the clippings.
4. Weight & Maneuverability
Since models under $300 are typically push mowers, weight is a critical factor:
- Lightweight Options: Lighter mowers (like the MZK at 24.3 lbs or MightyMow at 24 lbs) are significantly easier to push, especially if you have an uneven lawn or limited physical strength.
- Self-Propelled: While rare in this budget, self-propelled models (like the Greenworks) eliminate pushing effort entirely, which is excellent for sloped terrain, though they increase the price.
- Storage: Look for features like foldable handles to simplify compact storage in limited spaces.