Gone are the days of wrestling with a pull-cord and the constant smell of gasoline. Modern lawn care has been revolutionized by lithium-ion battery technology, offering quiet, emission-free power that rivals traditional gas mowers. For homeowners seeking a pristine lawn without the maintenance and noise, a cordless electric mower is the clear choice.
With so many options on the market, selecting the right mower for your yard’s size and terrain can be challenging. This roundup focuses on the best ion battery lawn mowers renowned for their long runtime, ensuring you can finish the job on a single charge. We’ve compiled a list of ten powerful models to help you find the perfect match for your lawn care needs in 2025.
The Best Long-Runtime Battery Lawn Mowers for 2025
- Greenworks 48V 17″ Cordless Lawn Mower
- PowerSmart 80V 21in Push Cordless Lawn Mower
- Greenworks 40V 16″ Cordless Lawn Mower
- Litheli 18-inch 40V Brushless Lawn Mower
- EGO POWER+ Self-Propelled Cordless Mower
- RYOBI 20 in. 40-Volt Brushless Cordless Mower
- Sun Joe 28V Brushless 14″ Cordless Lawn Mower
- Greenworks 40V 20″ Brushless Push Mower
- Greenworks 60V 21” Cordless Lawn Mower
- Greenworks PRO 80V 21-Inch Cordless Lawn Mower
Greenworks 48V 17″ Cordless Lawn Mower
This Greenworks mower utilizes a unique dual 24V battery system to deliver 48V of power, providing up to 45 minutes of runtime. Its 17-inch poly deck is both rust-resistant and lightweight, making it easy to maneuver around tight corners and complex yard layouts. The mower is part of a large tool ecosystem, with battery compatibility across over 125 other Greenworks tools.
For versatile cutting, it features a single-lever, five-position height adjustment and a 2-in-1 design that allows you to mulch grass clippings for nutrients or collect them in the rear bag for a clean finish. This model is an excellent choice for those who already own or plan to invest in the Greenworks 24V tool platform.
PowerSmart 80V 21in Push Cordless Lawn Mower
Designed for gas-like performance, the PowerSmart 80V mower is built to handle demanding mowing conditions. The high-voltage battery system, paired with a robust 6.0Ah battery, ensures you have ample power and runtime for larger lawns. Its all-steel deck and brushless motor are engineered for durability and years of reliable service.
Operation is straightforward and hassle-free, featuring a simple press-button start, no emissions, and minimal maintenance compared to a gas engine. This mower combines the power many users look for with the convenience and quiet operation of a battery-powered machine.
Greenworks 40V 16″ Cordless Lawn Mower
Ideal for small to medium lawns up to half an acre, this Greenworks mower offers a practical and lightweight solution. Weighing 35% less than many standard models, its 16-inch deck and ergonomic handles make pushing and storing exceptionally easy. You get about 35 minutes of continuous runtime from the included 4.0Ah battery.
The smart cut adjustment system allows you to quickly change the cutting height across five positions with just one lever. Whether you prefer to mulch for lawn health or bag for a tidy appearance, the 2-in-1 design accommodates your preference, making it a versatile tool for routine lawn maintenance.
Litheli 18-inch 40V Brushless Lawn Mower
The Litheli mower is equipped with an advanced brushless motor, providing enhanced power and reliability while requiring less maintenance over its lifespan. It comes with two 4.0Ah batteries, extending your total mowing time and offering flexibility for larger yards or for use with other Litheli tools.
With a generous 18-inch cutting width and a six-position height adjustment range, this mower can handle various grass types and lengths effectively. The 10.57-gallon grass collection bag means you can cover more ground between stops to empty, increasing your mowing efficiency.
EGO POWER+ Self-Propelled Cordless Mower
For those who need a powerful, self-propelled option, the EGO POWER+ LM2135SP stands out. Its innovative Select Cut Multi-Blade system is engineered to deliver a premium cut that can exceed the performance of gas mowers. The included high-capacity 56V 7.5Ah ARC Lithium battery provides an impressive 60 minutes of run time.
The Touch Drive self-propelled technology offers smooth and intuitive control over the mower’s speed directly from the handle. This feature significantly reduces user effort, especially on hills or uneven terrain, making it an excellent choice for larger or more challenging properties.
RYOBI 20 in. 40-Volt Brushless Cordless Mower
RYOBI is known for its extensive 40V tool platform, and this 20-inch brushless mower is a robust addition. The brushless motor ensures efficient power use and extended motor life, while the 20-inch steel deck provides a wide cutting path to reduce mowing time. It is designed for durability and consistent performance.
This mower integrates seamlessly with the RYOBI 40V battery system, allowing you to use the same batteries across a wide range of outdoor tools. This interoperability is a major advantage for homeowners who want to build a unified, cordless tool ecosystem for all their yard work.
Sun Joe 28V Brushless 14″ Cordless Lawn Mower
The Sun Joe MJ401C-XR is a compact and efficient choice for small to medium-sized lawns, covering up to a quarter acre on a single charge. Its 14-inch cutting width and durable steel blade are perfectly sized for precise maneuvering in smaller spaces. The detachable 10.6-gallon grass catcher simplifies cleanup.
Safety and simplicity are key features, including a safety key that must be inserted for operation. The three-position manual height adjustment allows you to easily customize your grass length. This model proves that you don’t need a large mower for an effective and clean cut.
Greenworks 40V 20″ Brushless Push Mower
This Greenworks model combines a durable 20-inch steel deck with a highly efficient brushless motor, providing more torque and a longer operational life. It is capable of cutting up to one-third of an acre on a single charge of the included 4.0Ah battery, making it suitable for a wide range of suburban lawns.
A standout feature is the integrated LED headlight, which provides high visibility for early morning or late evening mowing sessions. Operating at noise levels three times quieter than a gas mower, it allows for a more peaceful lawn care experience for you and your neighbors.
Greenworks 60V 21” Cordless Lawn Mower
Stepping up in power, the Greenworks 60V mower delivers performance that surpasses typical gas-powered mowers, with a max blade tip speed of 3200 RPM. The included 5.0Ah battery supports up to 60 minutes of runtime, enough to maintain up to half an acre of lawn. It offers 50% more power than standard 40V systems.
Along with its impressive power, this mower operates at 60% less noise than gas models, eliminating fumes and harmful emissions. It’s an ideal solution for users with larger lawns who require robust performance but want to enjoy the quiet, clean benefits of battery power.
Greenworks PRO 80V 21-Inch Cordless Lawn Mower
At the top of the Greenworks lineup, the PRO 80V series is built for maximum performance and endurance. This 21-inch mower is designed to handle the most demanding mowing conditions, offering power that directly competes with high-end commercial gas mowers. It is part of a professional-grade tool system for serious landscapers and homeowners.
The high-capacity battery ensures extended runtime for large properties, and the robust construction guarantees longevity. If you have a very large lawn or simply want the highest level of power and performance available in a cordless electric mower, the Greenworks PRO 80V model is a top contender.
Buying Guide: How to Choose an Ion Battery Lawn Mower with Long Runtime
So, you’re thinking about making the switch to a battery-powered mower, and you want one that won’t quit halfway through your lawn. I get it; runtime is everything. The term “ion battery” usually refers to Lithium-ion, and for good reason. These batteries are the heart of your cordless mower, and picking the right one means looking at a few key things beyond just the price tag.
First up, let’s talk about battery voltage and Amp-hours (Ah). Think of voltage as the power behind each cut—higher voltage (like 40V, 56V, or 80V) generally means more torque for tackling thick grass and slight inclines. Amp-hours, on the other hand, are all about endurance. It’s your fuel tank. A mower with a 5.0Ah battery will typically run longer than the same model with a 2.0Ah battery. For a larger lawn (say, over a third of an acre), you’ll want to look for a mower that comes with at least a 5.0Ah battery or, even better, the option to use two batteries at once. This is a real game-changer for ensuring you can finish the job on a single charge.
Next, consider the mower’s cutting system. A wider deck, such as 21 inches instead of 19 or 20, means you’ll cover more ground with each pass, which directly translates to a faster mow and less drain on your battery. Also, check if the mower has a single-lever height adjustment. This feature lets you quickly change the cutting height for all wheels at once, which saves you time and energy. Another feature I always look for is a brushless motor. They are more efficient, run cooler, and last longer than traditional brushed motors, which means they squeeze more runtime out of every bit of battery power.
Finally, think about the whole ecosystem. If you already own other tools from a brand like EGO, Greenworks, or DeWalt, it makes a lot of sense to stick with them. Their batteries are often interchangeable, so you could use the same battery for your mower, string trimmer, and leaf blower. This not only saves money but also gives you a backup power source. When searching for the 10 Best Ion Battery Lawn Mowers with Long Runtime 2025, pay close attention to real-world tests and user reviews about how long the battery actually lasts in typical conditions, not just the manufacturer’s claims. Your lawn isn’t a perfect laboratory, and grass thickness, moisture, and your mowing speed all play a huge role. Choosing a mower with a battery that has a little more capacity than you think you need is always a smart move.
Frequently Asked Questions
How long does the battery actually last on a single charge?
This is the big one. The advertised runtime is usually based on ideal conditions, like mowing short, dry grass on a flat surface. In reality, your runtime can vary a lot. Most modern Ion battery mowers will last between 45 to 90 minutes. Factors that cut into your time include thick or damp grass, hills, and even how fast you walk. If you have a larger yard, I strongly suggest looking for a mower that either comes with a very high-capacity battery (6.0Ah or more) or has the ability to accept a second battery to double your mowing time.
Can I leave the battery on the charger all the time?
It’s generally not a great idea. While most modern chargers and batteries have smart systems to prevent overcharging, consistently keeping a Lithium-ion battery at a 100% charge for extended periods can slowly reduce its overall lifespan. A better habit is to take it off the charger once it’s full. If you’re storing the mower for the winter, it’s best to charge the battery to about 50-60% and store it in a cool, dry place.
Are these mowers powerful enough for my hilly yard?
Absolutely, but you need to choose the right model. For slopes and hills, you’ll want a mower with a higher voltage battery. Look for 56V or 80V systems, as they provide more torque to maintain blade speed under load. Self-propelled models are also a huge help on inclines, as the drive system does the work of pushing the mower, so you just guide it. This reduces physical strain and can also help with battery efficiency since you’re not straining as much.
What is the average lifespan of an Ion battery lawn mower?
You can expect a good quality Lithium-ion battery to last for several hundred charge cycles, which typically translates to about 3-5 years of regular use before you might notice a significant drop in runtime. The mower itself, especially if it has a brushless motor, can last much longer—often a decade or more with proper care. The key is to follow the storage guidelines and avoid completely draining the battery every single time you use it.
Do I need to consider the type of grass I have?
Yes, the type and condition of your grass definitely matter. If you have tough, dense grass like St. Augustine or frequently let your lawn get a bit overgrown, you’ll want a mower with plenty of power and a sharp blade. A model with a metal deck can sometimes offer better durability, but a high-quality polymer deck is also fine and is lighter and rust-proof. Ensuring your blade is always sharp is one of the easiest ways to improve battery runtime, as a dull blade makes the motor work much harder. When looking at the 10 Best Ion Battery Lawn Mowers with Long Runtime 2025, you’ll find options built to handle a variety of lawn conditions.