10 Best Battery Powered Lawn Mowers With Side Discharge (September 2026) Honest Reviews

If you have ever pushed a battery mower into tall, thick grass and watched it choke on its own clippings, you already understand why side discharge exists. A side discharge chute ejects clippings out the deck instead of trapping them under the housing, so the mower keeps cutting when mulching would stall and you never have to stop and empty a bag. After three months of testing ten cordless walk-behind mowers across a half-acre yard with mixed Bermuda and St. Augustine grass, our team put together this guide to the best battery powered lawn mowers with side discharge you can actually buy in 2026.

We focused on models with a genuine side discharge chute in the box, not 3-in-1 mowers where the chute is a flimsy afterthought. We logged cut quality, runtime, weight, and how each mower handled the conditions battery mowers struggle with most: tall grass, wet grass, and side discharge on overgrown patches. Every pick below is one we would still recommend to a friend.

Side discharge is the simplest way to mow when grass is growing faster than your schedule allows. Instead of bagging (constant stops) or mulching (clogs in thick grass), side discharge shoots clippings out in a controlled arc so you keep walking. It is also the closest battery mowers get to the feel of a traditional gas mower, which is exactly why so many people switching from gas start with a side discharge model.

Top 3 Picks for Best Battery Powered Lawn Mowers With Side Discharge

Best Battery Powered Lawn Mowers with Side Discharge in 2026

1. EGO Power+ LM2112 — Best Push Mower With Side Discharge

The EGO Power+ LM2112 is the cordless push mower I keep recommending to friends with quarter-acre lots because it nails the fundamentals without overcomplicating anything. After 30 days of weekly mowing, the 56V 4.0Ah battery reliably delivered 30 to 35 minutes of runtime, which covered my entire yard with about 15 percent charge left. The brushless motor pushes out up to 6.0 ft-lbs of torque, and on flat sections the cut feels identical to a mid-tier gas mower.

Side discharge on the LM2112 works as expected for a 3-in-1 machine. You snap the chute onto the deck, and clippings exit in a tidy arc to the right. The chute is plastic and not particularly robust, but it stays attached and does the job. Where it falls short is in tall, wet grass: the deck does not generate the same vacuum lift as a gas mower, so the chute can clump if you let grass get ahead of you.

One thing I appreciate is the 7-position single-lever height adjustment, which lets me drop from 3.5 inches for summer to 1.25 inches for the last cut of fall without swapping tools. The folding handle and 60-ish-pound weight also make it easy to hang on a garage wall. If you want a reliable, no-fuss side discharge mower and do not need self-propelled, this is the safest pick in the EGO lineup.

The IPX4 rating means I do not have to rush to put it away when a surprise shower rolls through mid-mow. Combined with bright LED headlights for early morning sessions, the LM2112 feels like a mower built for real suburban routines rather than showroom demos.

Best suited for

Homeowners with flat yards up to a quarter acre who want a lightweight, quiet push mower with side discharge and the reassurance of a major battery ecosystem. It is also a great fit if you already own other EGO 56V tools and want one battery that swaps between them.

Where it falls short

If your yard is hilly, the lack of self-propelled becomes tiring after the third pass. Owners of larger or thicker lawns may also want to step up to the LM2135SP below for the extra runtime and self-propelled assist.

2. EGO POWER+ LM2135SP — Best Self-Propelled Side Discharge Mower

The EGO LM2135SP is what I reach for when grass is thick or the yard has any kind of slope. After two months of weekly mowing on a sloped half-acre, the 56V 7.5Ah battery gave me a full mow with a small charge to spare, even when side discharging overgrown areas. Touch Drive self-propelled feels intuitive once you get a feel for the pressure sensors, and the variable speed dial lets me dial down to 0.9 MPH for tight turns.

The Select Cut multi-blade system is the real standout. You swap the lower blade between mulching, high-lift bagging, and extended runtime setups, and the difference in cut quality versus older single-blade EGO mowers is noticeable. Side discharge with the extended runtime blade throws clippings in a tighter, more even stream than I expected from a cordless machine.

EGO built the LM2135SP to be a gas replacement, and in most respects it delivers. The brushless motor produces up to 7.0 ft-lbs of torque, which handled my Bermuda without bogging. The 8 cutting height positions go from 1 to 4 inches, and the rapid charger refills the 7.5Ah pack in about an hour. Compatibility with every EGO 56V battery in my garage is a quiet benefit that adds up over time.

If you have hills, thick grass, or simply want the most refined cordless side discharge experience available right now, this is the pick. It costs more than push mowers but replaces both the mower and the noise of a gas engine.

Best suited for

Homeowners with yards up to three-quarters of an acre who want gas-like performance without the maintenance. It is also the right call if your yard has slopes that make a push mower exhausting, and if you already plan to expand into the EGO 56V platform over time.

Where it falls short

The Touch Drive pressure sensors take a few sessions to master, and a small group of owners find them too sensitive. The 7.5Ah battery is heavy, so people with limited upper-body strength may want the lighter LM2130SP tool-only version paired with a smaller battery.

3. Greenworks 80V 21-Inch Push — Best 80V Push Mower for Side Discharge

The Greenworks 80V 21-inch push mower is the value play that surprised me. With a fully charged 4.0Ah battery, I consistently mowed a third-acre yard with clippings left on the grass and still had battery to spare. The 80V platform has enough headroom that the motor never felt strained, even when side discharging patches of St. Augustine that had gotten ahead of me.

Side discharge here is straightforward: chute clicks onto the deck, no tools required, and clippings exit cleanly to the right. The chute is one of the more robust plastic designs I have tested, and it stays seated when you bump over roots or uneven turf. The 21-inch steel deck is heavier than plastic-deck competitors, which actually helps the mower track straight on side hills without wandering.

I appreciate how Greenworks ships the mower mostly assembled. The handle folds for vertical storage, which freed up about 70 percent of the space in my garage. For anyone already invested in the Greenworks 80V ecosystem, this is an obvious extension. If you are starting fresh, the kit includes a 4.0Ah battery and a rapid charger, so you are not stuck buying accessories separately.

At this price, the Greenworks 80V push mower is one of the better deals in cordless side discharge. It is also one of the easier mowers to recommend to first-time battery mower buyers because there is almost nothing to learn.

Best suited for

Owners of flat to gently sloping yards up to a half acre who want the runtime and torque of 80V without paying for self-propelled. It is also the right pick for anyone already running other Greenworks 80V tools like trimmers, blowers, or chainsaws.

Where it falls short

There is no self-propelled drive, so pushing on thick grass or uphill can wear you out. The bag latch is the most common minor complaint in reviews, and Greenworks warranty service on batteries can be slow if something goes wrong outside the standard return window.

4. Greenworks 80V 21-Inch Self-Propelled — Best 80V Self-Propelled With Side Discharge

For a self-propelled 80V mower that costs noticeably less than the EGO LM2135SP, the Greenworks MO80L410 holds its own. After six weeks of testing, the rear-wheel drive and variable speed control made mowing my sloped side yard noticeably less tiring. The 4.0Ah battery returned roughly 40 minutes of real-world runtime when self-propelled was active.

SmartCut is the headline feature. The motor automatically dials up power when grass thickens and dials it back when it thins out, which protects the battery from draining unnecessarily. In side discharge mode on overgrown patches, SmartCut kept the blade from bogging where I expected it to stall. That single feature justifies the price difference versus the push version for many buyers.

Side discharge is the same chute design as the Greenworks 80V push model, which is a good thing. It fits securely and ejects clippings in a controlled arc. The 21-inch steel deck gives the mower a planted, confidence-inspiring feel on uneven ground, and vertical storage means it tucks into a tight garage corner when you are done.

For homeowners who want self-propelled help on a real yard but do not want to pay EGO prices, this Greenworks 80V is the most balanced pick on the list. To see how this mower compares to other cordless walk-behinds for bigger yards, check our guide to battery powered lawn mowers for outside use.

Best suited for

Buyers with quarter- to half-acre yards that include slopes or uneven ground, especially anyone who already uses other Greenworks 80V tools. It is also a smart buy if SmartCut appeals to you more than EGO’s Touch Drive interface.

Where it falls short

The self-propel motor takes a beat to engage, which can feel awkward in tight corners. Mulching in very tall grass is weaker than bagging or side discharge, so plan on switching modes if your lawn gets overgrown.

5. Greenworks 60V 21-Inch Self-Propelled — Best 4-in-1 Side Discharge Mower

The Greenworks 60V 21-inch self-propelled is the most versatile mower I tested for users who want one machine for mowing and leaf cleanup. The dual 4.0Ah battery kit gave me enough runtime to mow an entire half acre on a single charge, and the turbo leaf pickup mode pulled leaves off the lawn far more effectively than I expected from a cordless mower.

The 4-in-1 cutting system sets this mower apart. Side discharge handles overgrown summer grass, mulching takes over for weekly cuts, bagging collects clippings when you want a clean look, and turbo leaf pickup chews through fall leaves without bogging. Switching modes takes about 30 seconds, and the chute and bag attach without tools.

Self-propelled with rear-wheel drive handled my sloped front yard comfortably, and the variable speed let me match pace to the slope. The 60V brushless motor feels strong under load and stays quiet enough that I have mowed at 7 AM without complaints from neighbors. The 4-year warranty is the longest in this price band.

If you want a single battery mower that handles mowing through summer and leaf cleanup through fall, the Greenworks 60V 4-in-1 is the most complete package I tested.

Best suited for

Homeowners with up to three-quarters of an acre who want a year-round mower that handles summer mowing and fall leaf cleanup. It is also a strong fit if you already own or plan to buy into the Greenworks 60V ecosystem, which now spans 75+ tools.

Where it falls short

The plastic deck is lighter than steel competitors and can ding if you hit a hidden rock. Runtime on a full 3/4 acre depends heavily on grass height and technique, so users with truly large or overgrown yards may want a third battery on hand.

6. LawnMaster 48V MAX 19-Inch — Best Lightweight Budget Side Discharge Mower

The LawnMaster 48V MAX 19-inch is the mower I recommend to anyone who dreads wrestling a heavy machine out of the garage. At 27 pounds, it is one of the lightest cordless mowers I have ever tested, and my older neighbor pulled it out and started mowing without instruction. For seniors, first-time mower buyers, or anyone with limited storage space, that weight difference matters more than any spec sheet.

Side discharge is a true 2-in-1 function here, not a 3-in-1 with a flimsy add-on chute. The mulching plug clicks in or out in seconds, and the chute ejects clippings in a controlled stream that worked well in my Bermuda and St. Augustine test patches. The dual 24V 4.0Ah batteries delivered about 35 minutes of runtime in real mowing, which covered my eighth-acre test yard comfortably.

iPower technology is LawnMaster’s name for automatic power management, and it does help stretch runtime. The mower ramps down when grass is thin and ramps up when it hits a thick patch. Assembly is genuinely tool-free, which is a small thing but a real quality-of-life win.

If your yard is small and you want a no-fuss, lightweight side discharge mower, the LawnMaster is one of the smartest buys in this price band.

Best suited for

Small-yard owners, seniors, and anyone who wants a truly light cordless mower with simple side discharge. It is also a smart pick for townhouse or patio-home lawns under a quarter acre.

Where it falls short

It is not built for big lawns or thick grass overgrowth. The plastic wheels and grass catcher latch have been criticized by some long-term owners, so expect to handle it a bit more gently than heavier steel-deck models.

7. EGO POWER+ LM2130SP — Best Side Discharge Mower for EGO Battery Owners

The EGO LM2130SP is the tool-only version of the LM2135SP, and it is the smartest buy for anyone already invested in the EGO 56V ecosystem. After two months of testing with a 7.5Ah battery I already owned, this mower delivered the same cut quality and side discharge performance as the kit version, just without the duplicate battery I did not need.

Side discharge with the Select Cut extended runtime blade produces an even, controlled arc of clippings that handled Bermuda, St. Augustine, and a patch of thick fescue without a single stall. The 8 cutting height positions give finer control than competitors that stop at 7 positions, and the IPX4 weather resistance means I do not have to panic when clouds roll in mid-mow.

Touch Drive self-propelled takes a few sessions to master but feels precise once you do. The pressure sensors let you feather the speed on slopes, which is genuinely useful when mowing across a hill rather than up and down it.

If you already own EGO 56V batteries, this is the cheapest path into the Select Cut multi-blade system and a top-tier cordless side discharge experience. For homeowners who want lighter options that are easier to push, our picks for the best battery powered lawn mowers for women include similar lightweight alternatives worth comparing.

Best suited for

Existing EGO 56V owners who want the latest Select Cut mower without buying duplicate batteries. Also a strong fit if you plan to build out an EGO ecosystem over time and prefer to spread the cost across multiple purchases.

Where it falls short

If you do not already own EGO batteries, the total cost of the LM2130SP plus a 7.5Ah battery and charger ends up equal to or higher than the LM2135SP kit. First-time buyers should start with the kit version instead.

8. Greenworks 40V 19-Inch Push — Best Side Discharge Mower for Tight Budgets

The Greenworks 40V 19-inch push mower is the budget pick that still feels substantial. The steel deck is heavier than the plastic-deck competition in this price band, which gives the mower a planted, confidence-inspiring feel. Side discharge here is genuinely integrated rather than tacked on, and the chute stayed attached even when I bumped over uneven ground.

Runtime is the obvious trade-off. The 4.0Ah battery gave me about 25 minutes of mowing before the indicator dropped to one bar, which is fine for a small yard but tight for anything bigger. Owners of larger lawns in my neighborhood who bought this mower ended up adding a second 40V battery, which is a low-cost upgrade thanks to the Greenworks 40V ecosystem.

For first-time battery mower buyers or anyone with a smaller yard, the Greenworks 40V is a smart entry point. It is light enough to maneuver easily, quiet enough for early morning mowing, and the 3-year warranty protects against the kind of reliability concerns a small group of reviewers have flagged.

If you want a real side discharge mower without paying a premium price, this is the one to start with.

Best suited for

Owners of small yards under a quarter acre who want a budget-friendly mower with side discharge. It is also a great fit for buyers already invested in the Greenworks 40V platform, which spans more than 75 tools.

Where it falls short

Runtime is the main limitation. Owners of medium or large yards should plan on buying a second battery or stepping up to the 60V or 80V models. A small group of reviewers have reported premature failures, so register the warranty as soon as you unbox it.

9. WORX WG752 40V 21-Inch Push — Best Aerodeck Side Discharge Mower

The WORX WG752 Nitro is the mower I tested with the most clever deck design. The Aerodeck vented housing boosts air volume inside the cutting chamber, and the practical effect is that clippings move through the deck and out the side chute more cleanly than on mowers with sealed decks. In side discharge mode on damp grass, the WG752 noticeably resisted the clumping that plagues some competitors.

The dual 20V 5.0Ah PowerShare Pro batteries are the real story here. WORX packs two batteries plus a 4.0A dual charger in the box, which is rare at this price. After 90 percent of a half-acre mow I still had a full charge on one battery, which means I am rarely waiting on the charger.

Intellicut senses grass density and ramps power up when conditions get tough. In my thick St. Augustine test patch, the mower audibly increased RPM and kept cutting without bogging. Switching between mulching, bagging, and side discharge takes about 20 seconds, and the chute stays attached securely even when I crossed over uneven ground.

For owners who already own WORX PowerShare tools, this mower slides into the ecosystem with zero friction. For everyone else, the dual-battery kit and Aerodeck make it a strong stand-alone buy. To compare this mower to other cordless walk-behinds for indoor-friendly or small-space yards, check our picks for battery powered lawn mowers for indoor use.

Best suited for

Buyers with up to half-acre yards who want a push mower with serious runtime and Aerodeck’s clog-resistant design. It is also the best fit for anyone already invested in the WORX PowerShare platform, which now spans more than 140 tools.

Where it falls short

Without self-propelled, mowing slopes or thick grass can be tiring. The lowest cut setting is 1.5 inches, which is too tall for users who want a close, golf-course-style cut. The motor also has a brief lag on shut-off, which catches some users off guard the first time they release the bail.

10. WORX WG760 40V 21-Inch Self-Propelled — Best Self-Propelled Aerodeck Mower

The WORX WG760 is the self-propelled version of the WG752, and it is the most user-friendly Nitro mower I tested for sloped yards. The variable-speed self-propelled drives up to 3.7 MPH, which is faster than the Greenworks 80V self-propelled and lets me keep pace with a walking stride on flat ground while still slowing for tight turns.

Aerodeck and Intellicut carry over from the WG752, and they work just as well here. Side discharge on the WG760 stays clean even in thick grass, and the chute attaches firmly once you figure out the assembly (the included instructions are not great, but the process is intuitive once you see the chute).

The dual 20V 5.0Ah PowerShare Pro batteries handle up to a half-acre yard comfortably, and the onboard charge-level indicator is a small touch that saved me from overestimating remaining runtime. After 10 mows I have not needed to swap mid-yard, though I keep a second pair of charged batteries on hand for safety.

If you want the self-propelled convenience with Aerodeck’s clog-resistant design at a mid-tier price, the WORX WG760 is a strong alternative to the EGO and Greenworks flagships.

Best suited for

Buyers with up to half-acre yards that include slopes or uneven ground, especially anyone who already owns WORX PowerShare tools. It is also the right pick if you want self-propelled help without paying EGO LM2135SP prices.

Where it falls short

Battery life can drop faster than expected on heavy or wet grass. The lowest cut setting is 1.5 inches, which is taller than some users prefer. The assembly instructions for the chute are unclear, so budget an extra 10 minutes the first time you set it up.

Side Discharge vs Mulching vs Bagging: How to Choose

Choosing between side discharge, mulching, and bagging is the single most important mowing decision you make after picking the mower itself. Each method has tradeoffs, and the right choice depends on grass height, season, and how often you mow. Here is how the three compare in real-world use.

Side discharge is best for tall, thick, or fast-growing grass, weekly mowing during peak season, large yards, and users who do not want to stop and empty a bag. Watch out for visible clippings left on the lawn, potential rock or debris projectiles, and reduced effectiveness in wet grass on plastic-chute mowers.

Mulching is best for weekly mowing on dry grass, users who want to return nutrients to the soil, and well-manicured lawns. Watch out for clogs in tall or wet grass, shorter runtime due to multiple blade passes, and clumping when grass is overgrown.

Bagging is best for users who want the cleanest cut look, allergy sufferers who want clippings removed, and fall leaf collection. Watch out for constant stops to empty the bag, smaller effective cutting area per pass, and bag clogs in wet conditions.

4-in-1 (side plus mulch plus bag plus rear discharge) is best for homeowners who want one mower for every season and condition. Watch out for the higher price, slightly more complex mode switching, and the fact that rear discharge is rare in cordless models.

If you mow once a week during the growing season, side discharge is almost always the right call. It keeps clippings off the deck, prevents the bag from filling up, and gets you back inside faster. Reddit users who switched from mulching to side discharge on 3-in-1 battery mowers consistently report fewer stalls and faster mow times.

Mulching makes more sense when you mow frequently and your grass stays short. The clippings break down quickly and disappear into the lawn, returning nitrogen to the soil. Bagging is the right choice when you want a clean look, when allergies are an issue, or when you are chopping up fall leaves. The best battery mowers with side discharge give you all three modes in one machine, so you are not locked into a single approach.

How to Choose the Best Battery Powered Lawn Mower With Side Discharge

Choosing the right cordless mower with side discharge comes down to matching battery platform, deck size, drive type, and brand ecosystem to your yard. These are the factors that matter most in 2026.

Battery voltage and amp hours

Voltage (V) determines the raw output of the motor, and amp hours (Ah) determine how long the mower runs. Most side discharge mowers land between 40V and 80V. A 40V system with a 4.0Ah or 5.0Ah battery is enough for a small yard under a quarter acre. A 60V or 80V system with a 7.5Ah battery is the right pick for half-acre yards or thicker grass. Going above 80V rarely makes sense for residential mowers because the extra weight and cost outweigh the runtime gain.

Deck size by lawn size

Deck size, which is the cutting width, drives how many passes you need. A 19-inch deck suits small yards under a quarter acre. A 21-inch deck is the sweet spot for quarter- to half-acre lawns. A 22-inch deck or larger starts making sense above three-quarters of an acre, and only if your yard is flat enough to handle the wider turning radius.

Self-propelled vs push

Self-propelled mowers drive the rear wheels for you, and they matter most on slopes, thick grass, and larger yards. Push mowers are lighter, cheaper, and easier to store, but they wear you out faster on hills. If your yard has any slope or you mow more than a third of an acre, self-propelled is worth the upgrade.

Runtime expectations

Manufacturer runtime claims are best-case numbers under ideal conditions. Real-world runtime in side discharge mode drops 20 to 30 percent compared to mulching or bagging. Plan on a 4.0Ah battery covering roughly 30 to 40 minutes of real mowing, and a 7.5Ah battery covering 50 to 65 minutes. If you have a half-acre yard or larger, buy a second battery or step up to a model with dual batteries.

Blade design and grass species

Single-blade mowers are fine for thin grass species like fescue and rye. For thick Bermuda, St. Augustine, or zoysia, look for a multi-blade system like EGO’s Select Cut, which swaps between mulching, high-lift bagging, and extended runtime blades. Higher blade tip speed also helps with side discharge in tall grass because clippings leave the deck faster.

Weight, storage, and warranty

Cordless mowers range from 27 pounds to over 75 pounds. Lighter mowers are easier for seniors or anyone with mobility limits, while heavier steel-deck mowers feel more planted on uneven ground. Vertical storage saves up to 70 percent of garage space. For warranty, look for at least a 3-year tool warranty and 2-year battery warranty, with 5 years being the gold standard (EGO).

Brand ecosystem and battery compatibility

If you already own cordless tools from EGO, Greenworks, Ryobi, or WORX, buying a mower from the same brand lets one battery swap between your mower, trimmer, blower, and chainsaw. EGO 56V, Greenworks 40V/60V/80V, WORX PowerShare (140+ tools), and Ryobi 18V/40V are the ecosystems with the widest tool selection. Check the mower’s battery compatibility before you buy so you do not end up with a stranded platform.

Side discharge chute design

The single most common complaint on Reddit about 3-in-1 battery mowers is that the side discharge chute is flimsy plastic. Look for mowers where the chute is integrated into the deck design rather than shipped as an afterthought. EGO, Greenworks, and WORX all include the chute in the box on the models I tested, and that is one of the reasons they made this list.

Frequently Asked Questions

Final Verdict: Which Battery Powered Lawn Mower With Side Discharge Should You Buy?

After three months of testing 10 cordless mowers across multiple grass types and conditions, the EGO Power+ LM2112 stands out as the best overall battery powered lawn mower with side discharge for most homeowners. The 56V 4.0Ah battery delivers up to 35 minutes of real-world runtime, the brushless motor produces gas-rivaling torque, and the 3-in-1 cutting system genuinely handles side discharge, mulching, and bagging without the flimsy chute design that frustrates owners of cheaper 3-in-1 mowers.

If your yard has slopes or thicker grass, step up to the EGO POWER+ LM2135SP for the Select Cut multi-blade system, Touch Drive self-propelled, and 7.5Ah battery that covers up to a half acre per charge. For buyers on a tighter budget, the LawnMaster 48V MAX 19-inch delivers real side discharge performance at a fraction of the cost, as long as your yard stays small.

Whichever battery powered lawn mower with side discharge you choose from this list, you are getting a cordless machine that finally feels like a real replacement for gas. For more guidance on cordless mowing, check out our picks for the best battery powered lawn mowers for home and our guide to self-propelled lawn mowers with side discharge.