You’ll get a powerful, low‑maintenance alternative to gas: the 80V brushless motor delivers strong, quiet torque and the included 4.0Ah battery will typically handle up to half an acre per charge under normal conditions. The 21″ steel deck offers clean cuts with seven height settings and four‑in‑one mulch/bag/side‑discharge/turbo modes. It’s lighter than gas, folds for tight storage, and uses a rapid charger that’s compatible across the 80V line — keep going to learn specifics on runtime, handling, and value.
Some Key Takeaways
- Powerful 80V brushless motor delivers strong torque and longer life than brushed alternatives for reliable mowing performance.
- 21″ steel deck with 4-in-1 cutting (mulch, bag, side-discharge, turbo leaf) and seven height settings for versatile, clean cuts.
- Includes 4.0Ah battery and rapid charger, typically covering up to ½ acre per charge under normal conditions.
- Quieter, low-maintenance operation, folding handles for ~70% smaller storage footprint, and manageable 68.3 lb weight.
- Cross‑compatible 80V battery system across 75+ tools, backed by a four-year tool and battery warranty.
Real-World Power and Runtime: 80V Brushless Motor Performance and How Long One Charge Lasts
Experience strong, consistent cutting power with the 80V brushless motor—it’s built to deliver higher torque and longer life than brushed alternatives, so you’ll get steady performance even in thick or wet grass without bogging down. You’ll notice reliable runtime: the included 4.0Ah battery typically handles up to ½ acre per charge under normal conditions. Expect reduced battery sag during moderate workloads, though heavy, wet grass or frequent high-speed cuts will shorten runtime. Because the system’s efficient and quieter than gas, you’ll feel confident tackling regular maintenance, knowing your mower and community of users share predictable, low-maintenance performance and support. Our shop focuses on mower batteries and related products to help homeowners keep equipment running reliably.
Cut Quality and Versatility: 21 Deck, 4-in-1 Modes, and Height Settings for Different Lawns
Having seen how the 80V brushless motor keeps power steady across a typical yard, you’ll appreciate how the mower’s 21″ steel deck and 4-in-1 cutting system turn that power into a clean, adaptable cut. You’ll switch between mulch, bag, side-discharge, and turbo leaf pickup effortlessly, optimizing mulch efficiency when returning nutrients to the lawn or bagging clippings for a tidy finish. Seven height positions (1.38–3.75″) let you tailor the cut for fine fescue, mixed turf, or high summer growth. The deck’s width balances coverage with maneuverability, and integrated edge trimming control helps you finish borders without extra tools. This mower pairs well with essential push-mower accessories like replacement blades and battery chargers to keep performance consistent and maintenance simple, making it a solid choice for homeowners who enjoy their outdoor spaces and push mower care.
Daily Usability and Storage: Noise, LED Headlight, Folding Handles, Weight, and Assembly Notes
Typically, you’ll notice the mower runs much quieter than a gas model — roughly three times less noise — which makes morning or evening trims less disruptive for you and the neighbors. You’ll appreciate the LED headlight for brief nighttime mowing and visibility along edges. Folding convenience is real: aluminum handles collapse quickly, cutting the storage footprint by about 70% so the garage stays tidy. At roughly 68.3 pounds, the mower feels stable but manageable to tilt for bag changes. Assembly simplicity is good; expect straightforward bolt-up steps and clear instructions so you’ll be mowing the same day. Perfect for homeowners who enjoy their yards, this model is part of a line focused on battery-powered mowers designed for comfortable, eco-friendly yard care.
Battery System, Charging, and Tool Compatibility: Included 4.0Ah Battery, Rapid Charger, and Cross-Compatibility
Quieter operation and easy storage are great, but what really keeps you mowing is the battery pack — the mower ships with a 4.0Ah 80V lithium‑ion battery and a rapid charger that deliver practical runtime and quick turnaround. You’ll typically cover up to half an acre per charge; battery lifespan depends on cycles and storage, but Greenworks’ chemistry and included maintenance tips help maximize years of use. The rapid charger shortens downtime and offers broad charger compatibility across the 80V line, so you can swap batteries among 75+ tools. That cross-compatibility makes expanding your toolkit straightforward and communal. This versatility is ideal for homeowners who want to power outdoor spaces with a single battery system.
Is It Worth It? Cost, Warranty, Maintenance Savings, and the Ideal Buyer Profile
While the upfront price for the Greenworks 80V 21″ mower is higher than many corded or basic cordless models, you’ll quickly recoup that cost through lower running and maintenance expenses and a strong warranty that reduces long‑term risk. You’ll save on gas, oil changes, and tuneups—real long term savings—and enjoy quieter, emission-free mowing that lowers environmental impact. The four‑year tool and battery warranty plus responsive customer support mean fewer worries. If you value reliable power, cross‑tool battery compatibility, and decent resale value, this mower fits you—especially if you’re part of a community that prefers cleaner, low‑maintenance gear. This mower is ideal for homeowners who enjoy the outdoor spaces and want convenient, tool-compatible electric equipment.
Some Questions Answered
Can I Use a Larger Capacity Battery for Longer Run Times?
Yes — you can use a larger capacity battery for longer runtimes, provided you respect battery compatibility with the 80V platform. You’ll get higher capacity cells for extended usage and noticeably longer runtimes without sacrificing power. Make sure the pack fits the mower’s battery bay and is an official or compatible Greenworks battery. You’ll enjoy reliable, maintenance-free mowing and feel part of a community that values smart, practical upgrades.
Are Replacement Blades and Bags Readily Available?
Yes — replacement blades and grass bags are readily available. You’ll find OEM and aftermarket replacement blades sized for the 21″ deck through major retailers and Greenworks dealers, and compatible grass bags sold as direct replacements. You can order online or at local stores, and many vendors list part numbers to confirm fit. If you’re in the community, others will share reliable sellers and installation tips to keep your mower running smoothly.
How Does It Perform on Steep Slopes or Uneven Terrain?
You can handle mild to moderate slopes and uneven ground, but you’ll struggle on very steep terrain. The brushless motor keeps torque steady uphill, though battery drain increases on long, steep runs and blade wear can accelerate over rocky or rough surfaces. Walk carefully with the manual push design, use lower speeds and shorter passes on uneven spots, and inspect blades more often. You’ll stay safer and keep cutting performance consistent.
Is There a Mulching Plug Included or Sold Separately?
Yes — a mulching attachment (mulch plug) is included with the mower, so you can mulch right away. You’ll find the factory mulching attachment sized for the 21″ deck and designed for blade compatibility with the stock blade; you shouldn’t need a special blade. If you swap blades later, double-check blade compatibility to maintain mulch performance. You’ll appreciate the simple install and consistent results across varied grass conditions.
What Safety Features Protect Against Accidental Starts?
You’re protected by a two step safety system: you’ve got to hold the bail lever and press the lever/trigger to start, so it won’t spin blades from a single accidental bump. A blade lockout further prevents blade engagement while the battery’s inserted but the bail isn’t held, and it stops blade restart during blade service or when the bag/charger isn’t correctly seated. These safeguards keep you and your neighbors safer.
