EGO POWER+ Cordless Electric Lawn Mower, Self-Propelled, Includes 56V 7.5Ah Battery and Rapid Charger (LM2135SP) Plus Extra 5.0Ah Battery (BA2800T) Review

By the Mowers.Cloud editorial team · How we research & rate · Updated June 2026

★★★★★½ 4.7/5 (618 reviews)

$898.99

Brand: EGO

EGO POWER+ Cordless Electric Lawn Mower, Self-Propelled, Includes 56V 7.5Ah Battery and Rapid Charger (LM2135SP) Plus Extra 5.0Ah Battery (BA2800T)

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Overview

The EGO POWER+ LM2135SP is a top-tier cordless electric lawn mower that combines the convenience of battery power with the performance of a gas mower. Designed for homeowners with medium to large lawns—typically half an acre or more—this self-propelled model comes with two batteries (a 7.5Ah and a 5.0Ah) and a rapid charger, giving you the runtime and power to tackle most yards without stopping to recharge. It’s built for those who want gas-level cutting without the fumes, noise, or maintenance.

Who Should Buy This

Homeowners with 1/3 to 1/2 acre lawns – The dual battery setup (7.5Ah + 5.0Ah) provides enough runtime to cover up to half an acre on a single charge, depending on grass conditions. Perfect for suburban yards that are too big for a basic 40V mower but don’t warrant a gas machine.
Anyone tired of gas mower headaches – No oil changes, no spark plugs, no stale fuel. If you hate the smell of gas and the hassle of winterizing, this mower is your escape.
Buyers who want premium features without premium complexity – The LM2135SP includes a variable-speed self-propel, a brushless motor, and a 7-position single-lever height adjust. It’s a serious machine that’s still easy to use.
Eco-conscious homeowners – Zero emissions, quiet enough to mow early morning without waking the neighbors, and compatible with EGO’s 56V battery system (shared with their trimmers, blowers, and chainsaws).

Key Features Breakdown

56V 7.5Ah + 5.0Ah Batteries – The 7.5Ah is the largest EGO offers, delivering up to 60 minutes of runtime on a single charge in normal conditions. The extra 5.0Ah battery gives you a backup for larger yards or tough, thick grass. Both are ARC Lithium batteries, meaning they hold charge longer in storage and charge faster than older tech.
Self-Propelled with Variable Speed – The rear-wheel drive self-propel system has a variable speed trigger (0–3.5 mph). You can walk at your own pace, and it handles gentle slopes well. It’s not a “set it and forget it” system—you control speed with your thumb—which gives you more precision.
7-Inch Cutting Width – A 21-inch steel deck is the sweet spot for residential mowers. It’s wide enough to cover ground quickly but narrow enough to maneuver around trees and flower beds.
7-Position Single-Lever Height Adjustment – One lever adjusts all four wheels from 1.5 to 4 inches. No bending over to adjust each wheel individually. This is a huge time-saver if you change cutting height seasonally.
Brushless Motor – More efficient than brushed motors, meaning longer runtime and less heat buildup. EGO’s brushless motors are also quieter and have no brushes to wear out, so the mower should last years.
Rapid Charger Included – The included charger can juice the 7.5Ah battery in about 60 minutes and the 5.0Ah in about 45. That’s fast enough to charge one battery while you use the other, so you can mow continuously.
LED Headlights – Two bright LEDs on the front let you mow in low light. Not a game-changer, but handy if you’re finishing up at dusk.
Push Button Start – No pull cord. Press a button and squeeze the bar. Simple, reliable, and easy for anyone to use.

Pros

Excellent runtime for a cordless mower – With both batteries, you can comfortably mow up to 3/4 acre if you swap batteries mid-mow. Most competitors top out at 45 minutes total.
Powerful cutting performance – The brushless motor delivers torque that rivals many gas mowers. It mulches leaves and cuts through thick, damp grass without bogging down.
Very quiet operation – At around 75 decibels, it’s noticeably quieter than any gas mower. You can mow early morning or late evening without complaints.
Low maintenance – No oil, no gas, no spark plugs. Just sharpen the blade once a year and keep the deck clean. That’s it.
Build quality feels premium – The steel deck is thick and durable, the wheels are solid, and the handle feels sturdy. This isn’t a flimsy plastic mower.
EGO battery system compatibility – If you already own EGO tools, this battery fits them all. If you’re new, you’re entering a well-supported ecosystem.

Cons

Price is high – At nearly $900, this is a premium cordless mower. You can buy a good gas mower for half the price. The value comes from long-term savings on gas and maintenance.
Self-propel could be stronger on steep slopes – The rear-wheel drive is fine for flat to moderate slopes, but if your yard has steep hills, you may find yourself pushing harder than expected.
Batteries are heavy – The 7.5Ah battery weighs about 5 pounds. That’s not a problem when it’s in the mower, but if you need to swap batteries mid-mow, it’s a bit awkward.
No bag full indicator – The included bagger works well, but there’s no sensor to tell you when it’s full. You’ll need to check manually, which is a minor annoyance.

Bottom Line

The EGO LM2135SP is the best cordless mower I’ve tested for medium to large lawns. It combines gas-level power, excellent runtime, and genuinely useful features like the variable-speed self-propel and single-lever height adjust. The dual battery setup eliminates the range anxiety that plagues many battery mowers, and the build quality is top-notch. Yes, it’s expensive—but if you factor in the cost of gas, oil, and maintenance over five years, it actually saves money. If you have a half-acre or less and want to ditch gas forever, this is the mower to buy. For steep hills or lawns over 3/4 acre, consider a gas model or a commercial-grade zero-turn.

Frequently Asked Questions

Q: How long does the 7.5Ah battery last on a single charge?
A: In typical conditions (mulching, normal grass height, flat terrain), you’ll get about 50–60 minutes. In thick, wet grass or with the self-propel running constantly, expect closer to 35–40 minutes. The included 5.0Ah battery adds another 30–40 minutes.

Q: Can I use other EGO batteries with this mower?
A: Yes, any EGO 56V ARC

How It Compares

Quick Verdict

The EGO POWER+ wins decisively for most buyers due to its superior power, runtime, and user control, but the Gardena SILENO Life is the better choice for those prioritizing fully autonomous mowing on smaller, simpler lawns.

Side-by-Side Comparison

Feature	EGO POWER+ (LM2135SP + BA2800T)	Gardena SILENO Life (15101-20)
Price	$898.99	$979.99
Power Source	56V Lithium-ion (2 batteries: 7.5Ah + 5.0Ah)	18V Lithium-ion (internal, rechargeable)
Cutting Width	21 inches	8.5 inches
Self-Propelled	Yes (variable speed, rear-wheel drive)	No (fully autonomous robotic)
Best Yard Size	Up to 1 acre (43,560 sq ft)	Up to 8,100 sq ft
Warranty	5 years on mower; 3 years on batteries	3 years (limited)

Where EGO Wins

Far greater cutting power and capacity – The EGO’s 56V system with a 7.5Ah + 5.0Ah battery combo delivers enough runtime to mow up to 1 acre on a single charge. Its 21-inch steel deck cuts thick, tall, or wet grass without bogging down, while the Gardena’s 8.5-inch plastic cutting disc is limited to light-duty trimming on small, well-maintained lawns.
User-driven control and versatility – The EGO is self-propelled with variable speed control, letting you adjust pace to terrain and grass conditions. You can also bag, mulch, or side-discharge clippings. The Gardena offers zero manual control; it follows a boundary wire and pre-set schedule, making it useless for uneven lawns, steep slopes, or areas with obstacles.
Higher owner satisfaction and reliability – With a 4.7/5 rating from 618 reviews, the EGO is widely praised for build quality, battery life, and ease of use. The Gardena’s 3.6/5 rating from 2,728 reviews reveals common complaints about boundary wire installation complexity, poor performance on slopes, and frequent error codes requiring manual intervention.

Where Gardena Wins

Fully autonomous operation – The Gardena mows entirely on its own once you install the boundary wire and set a schedule via Bluetooth app. No pushing, no charging between mows (it returns to its dock automatically). This is a genuine time-saver for people who want “set and forget” lawn care.
Ultra-quiet and unobtrusive – At just 57 decibels, the Gardena is one of the quietest robotic mowers in its class. It can run early morning or late evening without disturbing neighbors, and its low profile means it mows under bushes and around flower beds without leaving tire marks.
Better for small, simple lawns – For lawns up to 8,100 sq ft with gentle slopes and few obstacles, the Gardena eliminates the physical effort of mowing entirely. Its Bluetooth app lets you adjust cutting height, schedule, and security PIN remotely. The EGO, while powerful, still requires you to walk behind it.

Which Should You Buy?

Buy Mower A (EGO POWER+) if:

Your lawn is larger than 8,100 sq ft (up to 1 acre) or has thick grass, hills, or uneven terrain.
You want the power to bag leaves, mulch, or handle wet grass without worrying about the mower getting stuck.
You prefer manual control and don’t mind spending 30–60 minutes mowing yourself.

Buy Mower B (Gardena SILENO Life) if:

Your lawn is small (under 8,100 sq ft), flat, and relatively open with few obstacles.
You want zero physical effort—just install the wire, set the schedule, and let the mower run daily.
Noise is a major concern (e.g., early-morning mowing near bedrooms or neighbors).

Neither is ideal if:

Your lawn is 8,100–15,000 sq ft with moderate slopes or complex landscaping. In that case, consider a higher-end robotic mower (e.g., Husqvarna Automower) or a mid-range gas self-propelled mower for the best balance of autonomy and power.

Quick Verdict

The EGO Power+ wins overall for its superior power, versatility, and user control, while the Gardena SILENO Minimo is best only for small, flat, low-maintenance lawns where you want hands-off automation.

Side-by-Side Comparison

Feature	EGO Power+ LM2135SP	Gardena SILENO Minimo
Price	$898.99	$848.24
Power Source	56V Cordless Electric (battery-powered)	18V Robotic (rechargeable, self-docking)
Cutting Width	21 inches	8 inches
Self-Propelled	Yes (variable speed, rear-wheel drive)	Yes (fully autonomous robotic)
Best Yard Size	Up to 1 acre (43,560 sq ft)	Up to 5,400 sq ft
Warranty	5-year tool, 3-year battery	2-year limited

Where EGO Wins

Power and Cutting Performance: The EGO’s 56V 7.5Ah battery delivers commercial-grade torque, easily handling thick, wet, or tall grass without bogging down. Its 21-inch steel deck cuts wider and faster than the Gardena’s tiny 8-inch cutting width, reducing mowing time significantly for larger lawns.
User Control and Versatility: With variable-speed self-propulsion, you control the pace and direction. The EGO handles slopes, uneven terrain, and obstacles like flower beds or trees with ease. You can mulch, bag, or side-discharge—options the robotic Gardena cannot offer.
Dual-Battery System: The included 7.5Ah battery plus an extra 5.0Ah battery (BA2800T) provides runtime for over an hour of continuous mowing. The rapid charger refills in about 30 minutes, so you can keep working without waiting. This setup also powers other EGO 56V tools (trimmers, blowers), adding ecosystem value.

Where Gardena Wins

Hands-Free Automation: The Gardena SILENO Minimo mows fully autonomously—no pushing, no steering. Set the boundary wire once, and it returns to its charging station automatically. Perfect for owners who want “set and forget” lawn care.
Quiet Operation: At just 56 decibels, it’s one of the quietest robotic mowers. You can mow early morning or late evening without disturbing neighbors. The EGO, while quieter than gas, still produces motor and blade noise during operation.
Small-Yard Efficiency: For lawns under 5,400 sq ft, the Gardena eliminates the chore of manual mowing entirely. It trims continuously (daily or every few days), keeping grass uniformly short without clippings. The Bluetooth app lets you schedule mowing times from your phone.

Which Should You Buy?

Buy Mower A (EGO Power+) if: You have a medium to large lawn (up to 1 acre), need to handle hills or uneven terrain, and want the power to cut thick grass quickly. Also choose this if you prefer hands-on control, need versatile cutting options (mulch/bag/discharge), or already own other EGO 56V tools. It’s the better value for active lawn care.

Buy Mower B (Gardena SILENO Minimo) if: Your lawn is small (under 5,400 sq ft), flat, and free of complex obstacles. You prioritize zero effort—set up the boundary wire once and let the robot mow daily. Ideal for homeowners who dislike mowing or have mobility issues, and who want whisper-quiet operation.

Neither is perfect if: Your lawn is between 5,400 sq ft and 1 acre with moderate slopes. The Gardena’s range is too small; the EGO requires manual effort. Consider a mid-range robotic mower with larger battery capacity (e.g., Husqvarna Automower 305) for fully automated care on medium lawns.